July Garden Calendar
Vegetables and Fruits
- Harvest fruits of your labor and enjoy
- Control weed growth to preserve water and nutrients
- Fertilize vegetables to encourage plant development
- Watch for foliar disease development on lower tomato leaves and treat with a fungicide
- Prepare for fall gardening. Plant potatoes, broccoli, and other fall crops
- Spray sweet corn to control corn earworms as silks emerge
- Be on the lookout for pests of the garden and control
- Remove old raspberry canes after harvest
Flowers
- Remove faded flowers from annuals to stimulate more flowers for late summer color, and from perennials to prevent reseeding
- Keep gardens well mulched
- Cut fresh bouquets for enjoyment on hot summer days
- Lightly fertilize annuals to promote growth
- Dig, divide, and replant crowded irises
- Fertilize roses for fall blossoms
- Fertilize and water container gardens
- Complete the final pinching of chrysanthemum tips for bushier plants
Lawns
- Mow bluegrass and tall fescue around 3 to 3 1/2 inches
- Mow zoysia at 1 1/2 inches
- Fertilize zoysia to encourage summer growth with a high nitrogen fertilizer. Let grass clippings fall to return nutrients to soil and grass
- Be on the lookout for summer diseases such as brown patch
- Watch for grubs. If they begin to hatch, an insecticide may be required. Apply in late July or early August.
- Keep mower blades sharpened
- Replace lawn mower air filter and change lawn mower oil per owner's manual
- Prepare to control perennial grassy weeds such as zoysia, fescue, and nimblewill
- Take a soil test to prepare for fall lawn renovation
- Water deeply and less often for deep roots and a healthy lawn
Trees and Shrubs
- Water newly planted shrubs and young trees (planted within the last three to five years) during dry weather
- Keep plants mulched to conserve moisture and cool roots
- Remove sucker growth from the base of trees and along branches
- Prune diseased, dead, or hazardous limbs
Miscellaneous
- Water weekly by deeply soaking the soil. Use surface irrigation and avoid watering late at night to help reduce disease development.
- Take photos of gardens
Have questions? The Garden Hotline is staffed by trained EMG volunteers and Extension staff who will assist you with questions.
Phone: (913) 715-7050
Email: garden.help@jocogov.org