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Hoosier Gardener

An informed, yet personal take on natural gardening in Indiana and other dirty topics.

An informed, yet personal take on natural gardening in Indiana and other dirty topics.
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August 1, 2020 By Jo Ellen Meyers Sharp

August garden checklist

Indoors

  • (C) Photo Jo Ellen Meyers Sharp

    (C) Photo Jo Ellen Meyers Sharp

    Take cuttings from plants such as impatiens, coleus, geraniums and wax begonias to winter over indoors. These are called herbaceous cuttings. Root the cuttings in media such as vermiculite, perlite, peat moss or planting soil instead of water. Keep them moist.

  • Begin stocking up gardening supplies before they are removed for the season from retailers’ shelves. Pots, potting mixes, fertilizers and other products may be harder to find later in the season.

General landscape

  • Keep newly established shrubs, trees, perennials, ground covers and grass well watered during dry spells. New plants should receive an inch of rain every seven to 10 days.
  • Don’t fertilize woody plants now. It stimulates green growth that will not have time to harden off before winter.
  • Be on the lookout for bagworms on evergreens and deciduous trees.
  • Bagworm on arborvitae. Photo courtesy Purdue University

    Bagworm on arborvitae. Photo courtesy Purdue University

     

    Hand prune and destroy bagworms, fall webworms and tent caterpillars.

  • Have soil tested for fall fertilization requirements if it has been three years or more since the last analysis.
  • Begin seeding new lawns or bare spots in established lawns in late August or, preferably, September. Fall is the best time to repair or start a new lawn.
  • Order spring-flowering bulbs for fall planting. Store in cool, dry place. Plant in late fall and early winter.
  • Sow seeds for biennials or transplant seedlings for blooms next year.
  • Spade or till soil for fall bulb planting; add a moderate amount of fertilizer.

Vegetables and fruits

  • Complete fall vegetable planting by directly sowing seeds of carrots, beets, kohlrabi, kale and snap beans early this month. Lettuce, spinach and green onions can be planted later in August and early September. Thin seedlings as required.

  • Harvest onions after tops yellow and fall. Cure them in a warm, dry, well-ventilated area. The necks should be free of moisture when fully cured, usually about a week.

  • Harvest potatoes after the tops yellow and die. Cure before storing.
  • Pick beans, tomatoes, peppers and squash often to encourage more production.
  • Harvest watermelon when the underside ground spot turns from whitish to creamy yellow; the tendril closest to the melon turns brown and shrivels; the rind loses its gloss and looks dull; the melon produces a dull thud rather than a ringing sound when thumped.
  • Harvest sweet corn when kernels are plump and ooze a milky juice when punctured with a fingernail. If the liquid is watery, it’s too early; if doughy, it’s too late.
  • Pears are best ripened off the tree. Harvest pears as soon as color changes, usually from a dark green to a lighter green, and when the fruit is easily twisted and removed from the spur.
  • Prune out and destroy raspberry and blackberry canes that bore fruit this year. They will not produce fruit again and could harbor insects or disease.

 

SaveSave

Plant ElGrinta or other spinach in late summer for fall-winter harvest. Photo courtesy National Garden Bureau/ngb.org

Filed Under: Gardening Checklist, Hoosier Gardener Tagged With: august garden checklist

Reader Interactions

Comments

  1. Hydroponic Garden says

    June 26, 2010 at 10:35 AM

    Great post, I look forward to reading more.

  2. P says

    August 8, 2019 at 11:51 AM

    Thank you for mentioning NGB. We appreciate the support.

  3. Joyce Arleen Corson says

    August 12, 2019 at 12:41 PM

    Thank you so much! I know how hard you work. I write for 3 places, for Masters, Mail Journal and Indiana Indiana Gardens (The Garden Club of Indiana, INC)
    You are such a pretty friendly lady!

    I once talked to you about poison vines at a conference. You gave good scientific information.

    Arleen

  4. Jo Ellen Meyers Sharp says

    August 12, 2019 at 1:42 PM

    Thank you, Arleen.

  5. Jo Ellen Meyers Sharp says

    August 12, 2019 at 1:43 PM

    Thanks for always having great info.

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