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Ron
Wolford
Extension Educator, Urban Horticulture & Environment
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August Outdoor Gardening
- Continue deadheading (removal of spent flowers) roses, annuals and
perennials.
- Plant peonies at the end of this month through October. Send a SASE
with 32 cents postage to receive our Peonies booklet.
- Plant Colchicum, True Autumn Crocus and Madonna lilies in August
for September blooming.
- Look for annual white grub damage in the lawn.
- Keep edible size vegetables picked so the plants will keep producing.
- Keep records of harvesting dates to help in planning the next year's
vegetable garden.
- If you don't have a vegetable garden, plan on attending your local
farmers market to purchase farm fresh produce.
- Continue regular watering, weeding and insect control in both flower
and vegetable gardens.
- Sow nasturtium seeds now for winter bloom.
- Stock up on plant supplies such as peat moss, vermiculite, pots,
pesticides and fertilizer before they are removed from the shelves.
- Begin potting hardy tulip, hyacinth, narcissus, etc., bulbs to be
forced in December.
- Enjoy local county fairs.
September Outdoor Gardening
- Divide daylilies in early September so wounds will have sufficient
time to heal.
- Lawns can be fertilized and dethatched or core aerated at this time.
New lawns can be seeded during September and early October.
- Apply broadleaf weed control to the lawn.
- Take cutting of annuals such as impatiens, geraniums and begonias
that are to be kept over winter. Don't wait, you may be too late!
- Dig up tuberous roots of dahlia and begonia tubers and store for
winter.
- Continue to harvest vegetables including tomatoes, peppers and beans
through September. Be sure all desirable produce is out of the garden
before it is damaged by a killing frost.
- Do not harvest collards, kale and brussels sprouts until they have
been subjected to a freeze.
- Begin to harvest winter squash and pumpkins late in the month.
- Fall apples are ripening. A trip to a nearby apple orchard would
surely be an enjoyable way to spend a September afternoon.
- Have your garden soil tested this month.
- Bring in houseplants that summered outdoors. Before they are brought
in, hose down the foliage and clean the containers to remove any insects.
- Allow amaryllis bulbs to go dormant. The bulbs must rest for at
least one month before they are forced back into growth. Send for
our Amaryllis factsheet with a SASE with 32 cents postage.
- Continue to pot hardy bulbs to be forced into indoor bloom. These
bulbs will bloom in early to mid-January.
- Plant pansies for fall color.
- Establish a cover crop to the vegetable garden.
- Note plants that provide fall color so you can include them in your
planting plan next year.
- Have sheets and cardboard boxes on hand to cover tender plants if
there is an early frost.
- Thanksgiving (or Christmas) cactus can be forced into bloom in time
for the holidays. Provide 15 hours of complete darkness each day,
such as from 5 p.m. to 8 a.m., for approximately eight weeks. Keep
temperature at about 60 to 65 degrees F. Temperatures of 55 F will
cause flower buds to set without the dark treatment.
- Store leftover garden seed in a cool, dry place. A sealable jar
with a layer of silica gel or powdered milk in the bottom works well.
- Bring houseplants that were moved outside for the summer back indoors
before night temperatures drop below 55 degrees F. Gradually decrease
the amount of light to acclimate the plants and help reduce leaf drop.
Be sure to control insects and diseases before putting them near other
houseplants.
- Fall is a good time to plant many container-grown or balled-and-burlapped
nursery stock. Prepare a good-sized hole, plant at the same depth
it grew in the nursery and water thoroughly. Mulching will help protect
against large fluctuations in soil temperature and moisture. Be sure
to stake or guy-wire tall plants to protect them from strong winds.
- Do not be alarmed if your evergreens, particularly white pine and
arborvitae, drop some of their older needles. All evergreens shed
needles at some time, but not all at once as deciduous plants do.
- Dig onions and garlic after top falls over naturally and necks begin
to dry.
- Harvest mature green tomatoes before frost and ripen indoors. Individually
wrap fruits in newspaper or leave them on the vine, pulling the entire
plant out of the garden. Store in a cool location, about 55 to 60
degrees F.
- Save plants such as coleus, wax begonias, impatiens, or fuchsia
for indoor growing over winter. Dig plants and cut them back about
halfway or take cuttings of shoot tips and root them in moist vermiculite,
soil mix or perlite.
- Watch for garden chrysanthemums to bloom as days grow shorter. Some
may already have bloomed earlier in summer, which will decrease the
number of fall blooms.
- Plant spring-flowering bulbs beginning in late September. Planting
too early can cause bulbs to sprout top growth before winter. However,
allow at least four to six weeks before the ground freezes for good
root formation.
- Cut flowers, such as strawflower, statice, baby's breath and celosia
for drying and hang upside down in a dry, well-ventilated area.
- Dig and store tender garden flowers for winter storage. Gladiolus
corms should be dug when leaves begin turning yellow. Caladiums, geraniums
and tuberous begonias should be lifted before killing frost. Dig canna
and dahlia roots after a heavy frost. Allow to air dry, then pack
in dry peat moss or vermiculite and store in a cool location.
- Remove raspberry canes after they bear fruit.
Late Summer 1996
Cover Crops | Tomato
Problems | Annual White Grub Homeowner
Control Options | Phalaenopsis:
"No Better Orchid for Beginners" | Bug
Bites | Lawn Care Calendar
| To A Violet | Hort
Shorts | Hort Tips | OTC
Hearburn Drug | Food Safety Checklist
|Healthy Cooking: Cabbage | Nutrition
Facts: Meal Planning 101 (Part 3 of 3) | Health
and Household Tips | Did You Know?
Index
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