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The Homeowners Column
It's Not Too Late for a Vegetable Garden
State Master Gardener Coordinator
Has your vegetable garden become a scary place? Are weeds grabbing your ankles as you walk by? Or has your garden withered into brown flags of surrender? Good news, it's not too late to have a productive garden.
A late season garden offers some advantages over a spring garden. It can be less work if the soil was already prepared in the spring. Seeds are often on sale this time of year. And planting seeds may be the most optimistic (some may say crazy) thing we can do during a drought.
Many vegetables such as broccoli and cauliflower grown for late season harvest are actually better quality because of the cooler weather when the heads are forming. Some vegetables such as kale, Brussels sprouts, parsnips, and Swiss chard actually develop a better, sweeter flavor after a frost.
Before planting a fall garden, remove any crop or weed residue. Do not work the soil unless absolutely necessary. Plant seeds at the proper depth as instructed on the seed packet. Cover seed with vermiculite or potting soil to prevent crusting of the soil surface. Keep the soil evenly moist with frequent light sprinklings. The upper inch of soil should be kept moist at all times until the seeds germinate.
Keeping seeds moist after planting is more of a challenge in the summer. However warm soil temperatures promote rapid germination. One way to help hold moisture in seedbeds is to use a light mulch of straw or grass clippings. The mulch should be pulled back once seedlings emerge. Also watering should be less frequent but more thorough by wetting at least the top 8 inches of soil once seedlings emerge.
Some vegetables for a late season garden are beets, broccoli, cabbage, carrots, cauliflower, snap beans, and summer squash. These can be planted through late August into early September here in central Illinois. Check seed packets for the days until harvest. Our average date of first frost is October 20, which gives us at least 63 days for crops that tolerate light frosts.
Cabbage can be direct seeded into the garden. Broccoli and cauliflower are best started in the garden as transplants. Unfortunately garden centers often do not have late season transplants so you may have to search or plant other crops. Most transplants would need late June to mid-July seeding to be large enough to transplant into the garden now.
Other late season vegetables are kohlrabi, leafy crops, and turnips. Leaf lettuce, mustard and spinach can be planted as late as mid-September in central Illinois. Garlic is planted September – October for next year's crop.
Crops such as cabbage, broccoli, kale and root crops can be left in the garden until the weather becomes quite cold. In the fall beets, carrots, parsnips and turnips can be mulched with straw, leaves or floating row covers, left in the garden and harvested into winter. Spinach and Swiss chard can be wintered over with the help of floating row covers for a harvest of spring greens. Floating row covers are made of white, lightweight material that allows water and sun to penetrate.
Start now so you can harvest fresh produce as you dig out your football sweaters.
Also the book Vegetable Gardening in the Midwest is available at most UI Extension offices or call 1-800-345-6087
Beyond Ash & Maple -Tree Selection & Care telenet - August 28, 2012 at 1:00 p.m. in the Champaign (PH: 217-333-7672), Onarga (PH: 815-268-4051), and Danville (PH: 217-442-8615) UI Extension offices. You may register online or call the desired UI Extension location. There is no cost for this event.