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June Garden Tasks

Vegetable garden

  • Pinch top growth of herbs to encourage branching and stop flowering from occurring. The best time to harvest most herbs is just before flowering when they are the most flavorful.

  • Stake or cage your tomatoes, peppers, and eggplants if you didn’t do so last month.

  • Remove suckers on staked tomatoes (branches that form where the leaf joins the stem) while they are 1 to 1.5 inches long to allow easier training.

  • Use mature compost or aged manure to side-dress plants.

  • Prune or thin plants to keep them from crowding their neighbors.

  • Weed! Get them when they’re young.

  • Plant beans, squash, melons, gourds, and cucumbers and make trellises for their vines to grow on.

  • Monitor your remaining spring crops. Hot weather causes lettuce to bolt. Replace cool-season crops with a quick-growing crop such as radishes or nasturtiums.

  • When your peas are finished, replace them with pole beans, cucumbers, or asparagus beans.

  • Summer vegetables should be kept evenly moist–transplants should be watered (or rained on) daily until they're well established.

  • Plant pumpkins now to be ready for Halloween.

  • Start seedlings of broccoli, cabbage, and cauliflower. These will provide transplants for your fall garden.

  • Water with overhead irrigation early in the day to allow the foliage to dry before nightfall to prevent disease.


Flower Garden


  • Warm-season annuals are in abundant supply now. If you didn't get them planted in the last month or two, then get them planted now before the really hot weather of July or August.

  • Sow annual seeds directly into the garden.

  • Because of their quick growth and heavy flowering, annuals need more fertilizing than most other plants. Fertilize every 7 to 14 days.

  • Keep deadheading annuals to help them continue blooming abundantly.

  • To prevent them from wasting energy on producing seed, deadhead your spring bulbs after they are done blooming. Also, fertilize them, but wait till the leaves have yellowed before trimming them off.

  • Prune shrubs that bloom on old wood after they are done flowering.

Disease and Garden Pest Control

  • Watch plants for early signs of disease or infestation. Look for misshapen leaves, spots, webbing or yellowing of leaves.

  • In most cases, blossom-end rot on tomatoes, peppers, squash, and watermelons can be prevented with proper watering. Maintain uniform soil moisture by mulching and watering correctly.

  • Be on the lookout for insect pests and diseases such as asparagus beetles, cabbage worms, cutworms, tomato hornworms, scale, snails, slugs, leaf spot, mildew, and rust.

  • Deter diseases from spreading by removing infected parts or entire plants; use neem oil or other organic fungicide.

  • Monitor new growth for insects and identify them before you attempt to control them. Don't apply chemical treatments if ladybugs or other predator insects are present.

  • Heavy rains can bring slugs. Check for them during rainy periods and handpick and remove.