Seasonal Tips...
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January
Prune while dormant, avoid overwatering indoor plants... See more.
- Good time of the year to prune deciduous plant material and trees when they are dormant.
Dress warm and make sure to use a good quality clean by pass pruning shears.
- Foliage plants help improve indoor air quality. Clean dust off the foliage with a damp sponge.
- Don’t over-water your houseplants, they don’t need as much water in winter. Plants
suffer when over watered and you may bring on a problem with fungus gnats. Give the plants near
windows a quarter turn now and then to expose all sides to the light. Keep foliage away from direct
contact with the glass when temperatures are frigid.
- It helps to keep indoor foliage plants away from cold drafty doors or the dry heat of heat registers.
- Turn down the thermostat at night. You’ll save money on your heating bills and the plants will
appreciate the temperature change. Most tropical or sub-tropical plants are used to a variance between day
and night time temperatures.
- Citrus plants provide great color and fragrance in the home this time of year.
- Make sure to recycle the fresh cut Christmas tree.
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February
Look for rodent damage, prevent evergreen dessication... See more.
- If all goes well, this month has the potential of giving us our first peek at spring! As we experience some
thaw days the foliage of pansies and bulbs we planted last fall start to become visible. In some years by the end
of this month the Witchhazel blooms begin to swell and the Helleborus, Winter Aconite and Galanthus could even
start to put on a show!
- Look for vole damage to ornamental plants and turf and set out traps if necessary.
- Keep tree wrap on the trunks of young trees and burlap protect evergreens facing south. Trunks can split and
evergreens desiccate when the sun is low in the south and the ground is still frozen. Consider an additional
application of anti-desiccant spray on a warm day.
- Start assembling seed starting materials. February is a good time to buy seeds and supplies.
- Fresh flowers are always a good idea to brighten a room. Don’t forget Valentine’s day is
February 14! The best way to keep fresh flowers is to use clean water and a clean vase. Change the water
frequently. Put a fresh cut on an angle at the base of the stem and submerge immediately in water so they
draw water well.
- Put up birdhouses or clean existing houses during this month.
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March
Get started with seeds, apply horticultural oil and lime sulphur... See more.
- A great month for seed starting! Use a good quality lightweight seed starting soil. Grow lights are a
great supplement to natural light so your seedlings don’t get leggy stretching for the light. Use dome
covers on your flats for humidity. When the seedlings emerge, prop up or tent the covers to provide good airflow.
A sprinkling of milled spaghnum moss over the top will help discourage damping off.
- Move “sleeping” tropicals and geraniums overwintered in the basement to a sunny window. Begin
gradually watering with a diluted water-soluble fertilizer.
- Use a combination horticultural oil and lime sulfur spray on dormant deciduous plants on a day where temperatures
are 40 degrees or better. The oil spray is for overwintering insects and the lime sulfur is for overwintering disease problems.
- Look for mole damage in the lawn. Remember moles do not hibernate and consume 80% to 100% of their body weight each day in
insects! Set traps, use baits and consider pelletized castor oil in combination to deal with lawn infestations. Moles are very
active and most social in late winter and early spring. Breeding of new litters takes place and as their food source insects
work their way up in the soil, damage becomes more evident.
- Service your lawn mower before the season starts. A good clean sharp blade is important in maintaining a nice
looking healthy lawn.
- Don’t take off protection for Macrophylla hydrangeas too soon. These zone 6 plants can swell with early
warm weather only to have buds produced on the previous season’s growth freeze in a cold snap. If that happens,
you’ll be left with a lot of green growth in season but no or few flowers.
- A good month to pick out summer flowering “bulbs” while the selection is great and start them indoors.
Summer flowering “bulbs” like Cannas and Dahlias are great for container gardens but don’t plant them
outside until mid-May when the danger of frost is past.
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April
Vole and mole turf damage, snow mold, crabgrass pre-emergents, start landscaping... See more.
This is a big month for turf issues! Aside from obvious vole and mole damage, April is a month to identify and begin repair
for snow mold. Both gray and pink snow mold will be evident as the snow clears, especially in areas where snow was piled or on
the north side of the house. Rake up debris and leaves from the lawn. Consider applying a fungus control to the lawn in areas
affected. Many times the turf will recover after a light raking allowing air, light and warmer temperatures into the crown of
the grass plants stimulating new growth. In serious cases of snow mold re-seeding may be necessary when the soil temperatures
are warm enough for seeding.
Purchase your 4-step lawn program from Flowerland. 4 step programs make it easy to apply fertilizer to your lawn over the
course of the year. These steps are generally applied based on the “holiday plan” meaning give or take a few weeks
you would apply around Easter, Memorial Day, Fourth of July and Labor Day. Remember this is a very general rule. Weather
conditions will dictate the best times to apply. Ask us, we can help.
April is generally the month crabgrass pre-emergence controls are applied to the lawn. Crabgrass pre-emergence controls are
usually in the first step of a four-step plan. You can also purchase crabgrass pre-emergence controls separately without
fertilizer. Many people time applications to tax day or when the forsythias are in bloom. The best and most effective way is to
base applications on soil temperature. When the soil warms to between 50 and 60 degrees is when crabgrass seed will germinate.
This of course varies from year to year, ask us, we can help. Make sure to water in step 1 or pre-emergence applications. If the
application is not watered into the lawn, UV rays can break down the effectiveness of the crabgrass barrier in 24 to 48 hours.
Finally, make sure to do a thorough job of applying the crabgrass control along driveway and sidewalk edges and the hottest
parts of the lawn.
After the first mowing of the year, raise the deck of the lawn mower for the rest of the year. Your lawn will be less stressed
and much healthier. 3 inches is a good healthy mowing height for your lawn.
Some cool season plants like pansies and Cole crops like broccoli can be successfully planted in April in Michigan. Raised beds
work well because the soil warms faster in spring.
Take tender plants outside in a shaded area protected from the wind to begin to “harden them off” on nice
days. Bring them in at night.
April is the month landscaping projects start with planting of woody plants and evergreens. Arbor Day falls in this month,
a great time to plant a tree! Some plants are available dormant in economical packages for a brief time in April.
Fresh mulch can be applied to beds in April. Do not pile on mulch too thick, it can do serious damage to plants. Do not mound
up mulch around the base of trees. Tissue accustomed to being dry will rot and you can create an environment for root problems
including collar rot and girdling roots.
Prune back or clear off dead foliage from last year on your herbaceous perennials. Cut back ornamental grasses to just above
the ground. Don’t leave too much old stem remaining on these grasses as it will create a “halo effect” of growth
with a dead center on your ornamental grasses.
April is a great time to “split your plants” when it comes to herbaceous perennials. Perennials like hostas,
daylilies and sedums to name a few divide well when just beginning to emerge from their winter sleep.
Feed your ornamental plants in the landscape. Spring is a good time to feed broadleaf evergreens like Rhododendrons or Azaleas.
You won’t want to be feeding them late in the year because we want them to harden off well for next winter. Feed them now
while they prepare to bloom and then develop new buds for next year’s bloom.
For grub control in the lawn use 24-hour Dylox at this time of the year. Your best bet is an application of season long grub
control in early July (see July calendar).
If you have moss in the lawn, use a moss control product, raise the deck on the mower and aerate the turf to improve soil
conditions. Grass has roots, moss does not. The presence of moss is often an indication that conditions are good for the growth
of moss not grass. Change the conditions by core aerating the turf and soil. Also consider taking a soil pH test.
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May
Prune woody flowering plants, till and amend soil, watch out for weeds... See more.
- Many woody plants are in bloom this month or bloomed during April. The best time to prune woody flowering plants
like Forsythia or Lilacs if they need it is right after they are done blooming. Later in the year they will be developing
buds for blooming next year. Remember that broadleaf evergreens like Azaleas or Rhododendrons look beautiful this month
and is the perfect Mothers Day gift. Mom might also enjoy a rose bush, hydrangea or flowering tree for the gift that keeps
giving!
- In general, our last frost date in West Michigan is usually between May 10 and May 20. Some plants like Snapdragons,
Alyssum, Cabbage, Lobelia and Petunias can tolerate a light frost. Other plants like Coleus, Impatiens and Begonias can
tolerate no frost whatsoever. Consistent cold temperatures and cold soil can stunt the growth of annuals planted too early.
Every year is different, watch the weather forecasts and hope for warm weather! Add a splash of season long color to your
landscape with annuals. Pinch off the initial bloom and the plant will put its energy into establishment rewarding you a
few weeks later with multiple blooms. Use cool colors like blue and silver in tight areas and bright bold colors viewed
from a distance like red or orange. Enjoy a whimsical approach mixing colors for a polychromatic look or combine opposite
colors for a stunning display like purple and yellow together.
- For annual and vegetable beds, till and amend the soil before planting. Apply a good quality granular fertilizer and
supplement with water-soluble feedings during the growing season. A fertilizer with a little extra phosphorus (the middle
number) is especially good for blooming annuals.
- Container gardening is a great way to start the growing season. Soil in containers warms quicker than ground soil. If
we have a frosty night, containers can be moved to a protected area or easily covered. Use annuals as well as vegetables,
perennials, tropicals and herbs in containers, combinations are limited only by your imagination!
- May is the month when weeds begin to become a problem, especially dandelions in the lawn. The best way to avoid the
problem is to be killing weeds in fall, the most effective time to kill lawn weeds. That said, if you have lots of weeds
in May use a lawn weed spray in a pressure tank sprayer and spray the foliage of the offending weeds. If you are using a
weed and feed in May, make sure the lawn is damp or moist when applying so the herbicide sticks to the weeds. Once again
as mentioned earlier in the calendar, raise the deck on the lawnmower. By raising the deck you give the lawn a competitive
edge against weeds by shading them out. A scalped lawn or lawn with bare spots is most likely to have a weed problem.
Remember weeds don’t cause bad turf, bad turf causes weeds!
- When bulb plants like tulips are done blooming, cut off the spent flower head and stem but leave the foliage on to absorb
sunlight. This will help the bulb “recharge” for the next blooming season. Scratch some bulb fertilizer in the soil.
Plant some annuals in between the remaining foliage and when the foliage yellows and dies cut it off at ground level. The
annuals will quickly fill in the area.
- Put up hummingbird feeders. Make sure they are clean and stocked for the warm months ahead. Plant favorite companion
plants like red Impatiens, Crocosmias and Abutilon to name a few along with the feeders to attract “hummers”
to your yard!
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June
Feed those vegetables, start hardscaping, container planting... See more.
- June is one of the busiest and best of the gardening months in Michigan. No more fear of frost, the vegetable garden
is growing and perennials steal the show in the landscape. Many perennials are in their prime during the month of June.
- Roses, annuals, tomatoes and other plants are very busy growing in June. The days are long and temperatures are warm.
Don’t forget these plants need to be fed for best performance. Tomatoes for example need a good quality feeding at the
time of planting and during the growing season. Tomato tone fertilizer has both the major and micronutrients needed as well
as Calcium, critical for good cell wall development of the fruit.
- June is a good month for landscape projects. Pathways and “hardscape” materials like stones and statuary
add interest to the landscape. View your landscape as an outdoor living room. Take advantage of the longer daylight hours
and warm evenings for outdoor living.
- Most plants at Flowerland are “container” grown and not bare root or field dug so the planting season continues
well into summer. Plant with confidence as you select plants from display that are already demonstrating their potential! Make
sure to amend the soil at the time of planting with organics, compost or peat moss. As opposed to digging a hole and filling it
with “good” soil amendments, mix the amendments in with the parent or existing soil 50/50. Do this in a sizeable area
around the root zone of the plant. This work will help create a soil that has moisture and nutrient retention capability while
still providing the necessary oxygen level and pores the root system needs. When in doubt about the water retention capability
of the existing soil, try this simple test. Dig a hole about 18 inches deep and 18 inches wide. Get your garden hose and fill
the hole with water. Watch what happens. Does the water just sit there for an hour and not drain away? You need to improve the
drainage. Does the water drain away rapidly? You need to amend to improve the retention value for the plant. Finally, apply a
layer of mulch on the soil surface of 1 to 2 inches in depth.
- As we head towards the hot days of summer, consider adding polymers to the soil of plantings in containers like container
grown tomato plants. These polymers help keep the soil moist in hot dry weather.
- Pinch back mums to 6 to 10 inches above the ground until early July. This will provide nice sized blooming plants in fall
that don’t become too tall and flop over in the landscape.
- June is a great month for planting herbs. Herbs love the longer days and the sunlight it provides. Enjoy the aroma of basil
in the warm sun. Use parsley as an ornamental plant border. Sage makes a great filler plant in mixed containers. Golden oregano
is an outstanding and hardy perennial groundcover! Herbs grow best in a good humus soil with lots of sunlight. Generally herbs
like hot sunny areas. Don’t feed the plants or at least do so sparingly, they provide the best aroma without fertilizer
and are easy to grow!
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July
Watering do's and don'ts, hot weather fertilizing, controlling grubs and bugs... See more.
- Water becomes a big issue in July. Hot dry weather can do a number on your prized plantings, especially when
you're away vacationing at the beach!
- With hanging baskets, learn to tell by the weight of the basket if it needs water. Gently press against the
bottom of the basket lifting it up. You'll learn quickly to water when the basket feels light. Water so that it
is running out the bottom of the basket. Soil contracts when it becomes dry, pulling away from the sides of the
pot or basket. If the water applied runs across the top of the soil surface and down the sides you may not be
properly watering the root ball in the center. Dunking the basket in a bucket of water or upsizing the pot for
a root bound plant may become necessary this month.
- A Michigan lawn is best watered deeply and infrequently in spring and fall, but in summer light and frequent
is the key! Don't cut the grass short to avoid stress, keep the length at 3 to 3 _ inches. Try to get an inch and
a half of water a week out on the lawn by setting out coffee cans and measuring. Run the irrigation daily in the
morning, sometime between 5 and 8 AM. Watering lawns during the afternoon is not efficient due to evaporation by
the sun and the wind. Watering in the evening hours keeps grass blades wet all night, combined with humid weather,
creating an environment ripe for disease.
- Deep trickle the water to plants in the landscape with a garden hose or soaker hose. Plants in the landscape
have different water needs than turf. Sometimes 'stirring' the mulch in the landscape improves water penetration
and efficiencies. As the season progresses, sometimes mulch can web together forming a matting effect. The mulch
is good for cooling the roots in the soil but needs to allow penetration of irrigation. The appearance of slime
molds on the surface of your mulch may indicate a circulation problem.
- Green up your lawn with a fertilizer formulated for hot weather applications. Some fertilizers like Milorganite
green with iron as opposed to high nitrogen applications. These would be best to use in summer as long as you are
practicing good cultural methods like morning watering and raised deck height on the mower.
- Bugs become a big issue in July, especially Japanese beetles. Apply season long Imidicloprid or Merit to the
lawn at this time of year to control grubs. Japanese beetles are the adults of the grub larvae and can do a lot
of foliage and flower damage to vulnerable plants like roses and hydrangeas in July. Protect plants vulnerable to
adult Japanese beetles with applications of Sevin or Neem to protect the foliage while the adults are active.
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August
Cut back tired annuals, establish next year's lawn, late Summer color... See more.
- Cut back tired annuals and feed them with a water-soluble fertilizer to rejuvenate them! Petunias and other annuals can
get "leggy" and worn by August. Chopping them back part way and using a good liquid feeding can give you a resurgence of
growth and flowers that will last to the frosts of October.
- Mid-August begins the time in Michigan where the window of opportunity for establishing a new lawn is best. The period
from mid-August to October 1st is prime time for seeding or sodding a lawn. In early August, kill weed vegetation in the
area to be seeded with Round-up. The next step is good soil preparation and tilling to provide a good seed bed for germination
and rooting. Make sure to use a starter fertilizer and do your seeding in late August and into September.
- August is the month for planting or moving Peonies and Iris.
- Mums and Asters become available in this month providing a splash of color to add to the landscape and containers.
- Keep a can of wasp and hornet spray handy for this month and next. In outdoor living areas like decks, patios and porches
you may need some protection. Look under resin chairs, decks and rails where they like to hide and nest.
- Young hatched grubs can do lots of damage to drought stressed lawns this month and next. Don't forget to irrigate lawns in
hot dry weather. Turf around tree areas is especially vulnerable due to tree root and turf competition. Avoid leaf scorch and
stress to the trees too, during hot dry periods run an oscillating sprinkler under and around the tree canopy.
- Keep a steady supply of water to vegetables in the garden, especially tomatoes to avoid the cracking of the cell walls
of the fruit.
- August is a colorful time in the garden. Ornamental grasses are beginning to reach their prime. Rudbeckias, Butterfly
bush; Roses along with Sedums and Hydrangeas provide great color and a playground for butterflies.
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September
Fall really IS for gardening, planting bulbs, dividing and moving perennials... See more.
- September is the start of a new gardening season, the fall season. The people with the nicest yards and gardens
are out working in them during the fall gardening season (September, October and November). Fall is a perfect time
for planting because the soil is nice and warm, the air temperature starts to cool and we generally get sufficient
natural rainfall. This makes the fall season a perfect time for establishing a lawn, trees, shrubs and perennials.
Plants put more energy into establishment and roots than top growth making it the perfect time to establish new plants
in the landscape. Labor Day weekend is a traditional kick off to the fall gardening season, a perfect time for yard
projects. Not only do plants like the great weather in September and October, people do too!
- Spring flowering bulbs arrive in early September. When planting tulips, daffodils, hyacinths and other flowering
bulbs, don’t make the mistake of planting them too shallow. You'll get better results when they are planted at
least 3 to 4 times the bulbs height in the soil. Make sure to work in some bulb starter fertilizer when planting. Also
consider using some screening materials like chicken wire in the soil to protect the bulbs deterring rodents from
digging them up for a tasty snack.
- Plant some annuals for "cool season" color. Annuals like snapdragons and ornamental kale will look great well into
November. Annuals like pansies will give you color now and then hibernate under the snow to re-appear next spring for
a second season of color!
- Perennials can be moved and divided in September, allowing them time to establish roots in their new soil home
before the ground freezes for winter. Make sure the roots do not "heave" above the soil line, which will damage or
kill them in winter. A light layer of mulch helps stabilize soil temperatures.
- Fall is the perfect time for weed control, especially in the lawn (see weed control comments in the month of
October).
- Get tropicals and houseplants ready for the move indoors before the first frost. Our first frost in West Michigan
is usually around October 10. Make sure to clean the plants and get them bug free. Move them to a lower light area outdoors
to begin "hardening" them off for the move indoors. Re-pot into sterilized soil and consider incorporating systemic insect
control soil granules. Some tropicals may need to be pruned back for the move indoors. Do some window cleaning while the
weather is nice so there is good light penetration for the plants when they do make the move indoors.
- Just like lawns, fall is a good time for establishment of groundcovers.
- Mums, Asters and Ornamental grasses can add some instant color to the yard.
- One of the most important times to feed the lawn all year is the fall season. Apply step 4 during the month of September
and consider the purchase of a 5th step to apply in early November.
- Consider core-aerating lawns that are compacted. September is a good month to aerate turf to rejuvenate them in addition
to fall feeding.
- A good month to get on top of your moss problem. Use a moss control product and aerate the soil. Grass has roots and
moss does not. The presence of moss often indicates the soil is compacted.
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October
Weed control, grass seeding, rust, powdery mildew and red thread... See more.
- Fall is the perfect time for weed control. Use spray weed controls on lawns especially for tough perennial weeds
like ground ivy, dandelions and violets. A pressure tank sprayer for spot weed control should be used in September,
October and November. Weeds are like other plants; they are shutting down for winter. By spraying weeds in the fall
months you get better translocation of herbicide into the roots making control applications more effective. Weeds
will generally produce a glossy coating in hot summer months to protect against moisture loss. This makes herbicide
sprays less effective for foliage penetration. In the cooler months of fall, herbicides penetrate better without
the natural protective coating to prevent transpiration.
- Continue fall planting in this month. Try to have grass seed down by the latest the first week of October. Grass
seed mixes often contain Kentucky bluegrass that take 21 to 28 days to germinate.
- Problems like rust, powdery mildew and red thread become a problem in the lawn in fall because the top growth of
turf slows down. Feed the lawn and cut the grass more often taking only the top 1/3 of the leaf blade per mowing. If
you didn't fertilize the lawn in September, make sure to do so in October.
- Cut back and clean up perennial beds. Plants can still be successfully divided and moved this month.
- Watch weather forecasts for freezing weather. Get tender plants inside and the last of tender vegetables like
tomatoes in before a killing frost. Clear nights with calm air are perfect conditions for frost when we get into the
month of October.
- October is a great time to plant trees and other "larger" transplants in the landscape. The soil remains warm well
into November even though the air temperature becomes cold. Roots do not go dormant and remain active especially if
soil temperatures remain warm enough. Feed deciduous trees in October. A liquid feeding of plant starter for transplanted
trees will help with root establishment.
- Continue planting spring flowering bulbs during the month of October. Plantings of tulips, daffodils, crocus, hyacinths,
Dutch iris, alliums, lilies and minor bulbs will reward your efforts with great color next spring!
- Take note of fall color during this season to plan for your garden next year. There are many tremendous plants for fall
color to add to your landscape. Itea, Fothergilla, Witchhazel, Blueberries, and Oakleaf Hydrangea to name a few in regards
to flowering shrubs. Perennials like Asters, Solidago, Bergenia and Heuchera look great in October. Trees like Maples,
Gingko, and Dogwood provide great fall color!
- Don't pack away the garden hose yet. In dry weather during October or under soffits or overhangs some plants may still
need supplemental watering. Do not allow evergreens to enter winter dry. Winter wind and sun could finish them off or at
least cause significant damage.
- Apply anti-desiccant sprays like Wilt-proof to broadleaf evergreens like Rhododendrons. Burlap screen susceptible
evergreens like Dwarf Alberta spruce from winter burn. Plants most susceptible to damage are those that go into the winter
dry, do not have a mulch cover and face the south or southwest.
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November
Put the landscape and yard to bed for winter, fall cleanup, tipping pots (not cows!), preventing "southwest disease"... See more.
- Time to put the landscape and yard to bed for winter. The last cut on the lawn is usually made around the
first or second week of November. The last cut should be shorter than the mowing height used during the growing
season so the grass doesn't lie flat under the cover of snow. When the snow piles up, if the grass isn't long
you run less of a risk for both snow mold and vole problems.
- Rake leaves off the lawn. Don't allow leaves to mat down on the turf under the snow. Use a mulching mower
to at least grind up the leaves finely. Leaves finely mulched by the mower are great for compost piles and for
tilling into planting beds and gardens.
- Tip pots upside down or put them into storage so they don't collect water and break in freezing weather.
Take apart fountains, store the pump and position the fountain so it doesn't collect water causing freeze damage.
- Keep some thawed soil in the garage or basement to use in planter boxes or barrels for arrangement of
evergreen boughs and ruscus by mid-month. Many plants in the landscape can also be pruned for Christmas season
arrangements like red twig Dogwood and willows.
- Put tree wrap on the trunks of young trees to prevent "southwest disease" or splitting of the bark in winter.
Chicken wire is also a good idea around the trunks of young trees to avoid rodent and rabbit damage. Set out vole
traps and make sure the grass is not long in surrounding areas.
- Allow roses to naturally shut down before winterizing. In most years, roses do not drop their foliage until
mid-November. Soil mounding around the graft using rose collars or protection with rose cones should be done in
November and not before. If using rose cones, make sure to provide some ventilation by poking pencil size holes
in the styrofoam.
- Get out some extension cords and lights for some Christmas decorating on days when the weather still affords
somewhat comfortable working conditions. Take advantage of those opportunities in November when the "nice" days
are generally few and far between!
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December
Decorate with fresh greens, winter is for the birds, gifts for the gardener... See more.
- It's the Christmas season! Decorate with fresh greens, wreaths and garland. Brighten the indoors with
Poinsettias, Christmas cactus and Norfolk Island pine. Plant some paperwhite narcissus or Amaryllis. Plant
some spring flowering bulbs for forcing putting them in cold dark storage (40 to 45 degrees) for 12 to 16
weeks.
- Put a fresh cut on the handle or stump of your fresh cut Christmas tree. Put the tree immediately in
water and keep the water fresh and plentiful in the tree stand. Try to locate fresh cut trees away from
heat sources in the home.
- Don't forget the birds at this time of the year! They need the feeders to be clean and filled with food.
In return they'll provide color and entertainment for you in the winter landscape.
- Remember a gift card from Flowerland makes the perfect Christmas gift for the gardener on your gift
list. Merry Christmas!
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