June Tips and Tasks
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- Fertilizer centipede and St Augustine lawns at a rate of ½ lb. nitrogen per 1,000 sq. ft. which is equal to 3.3 lbs. of 15-0-14 per 1,000 sq. ft. Fertilize bermuda and zoysia at a rate of 1 pound of nitrogen per 1,000 sq. ft. (which is equivalent to 6.7 pounds of 15-0-14 per 1,000 sq. ft. Centipede only requires one application of fertilizer each growing season, while bermuda and zoysia can be fertilized up to three or four times a season if you are really trying to grow them in. Subsequent applications can be nitrogen-only fertilizers at a rate of 1 pound of actual nitrogen per 1000 sq. ft.
- Leave grass clippings on the lawn – they return nutrients and water to the soil and do not contribute to thatch.
- Aerate lawns if the soil is compacted.
- Mow frequently to encourage the lawn to thicken and reduce weed problems. Mow to the appropriate height for your turf.
- Visit Turf Files to download the appropriate lawn maintenance calendar for your turf or stop by the Extension office for a hardcopy.
Trees and Shrubs
- Bagworms hatched in May. If you have plants that had bagworms on them last year, treat them now and keep a close eye out for little larva.
- If needed, prune spring-blooming shrubs like azaleas and camellias after they finish flowering but no later than mid-July.
- Let the foliage of spring-flowering bulbs die back naturally. They need to manufacture enough food to support next year’s blooms.
- Scout zucchini and squash for squash vine borer. Preventive sprays of synthetic pyrethroids (such as bifenthrin, cyhalothrin, or cyfluthrin) can protect plants. Organic products like spinosad and Bt (Bacillus thuringiensis) may be effective but must be applied frequently to ensure that they are present when the small caterpillar bores its way into the plant. Carry on through mid-June. Be sure to apply pesticides late in the day to protect pollinators. Aluminum foil plant collars to protect the base of the stem and row covers (which will also exclude pollinators) are other options.
- Plant a second crop of tomatoes and cucumbers from seed to extend your harvest.
- Mulch around vegetable plants to conserve moisture and reduce disease problems.
- A great resource for scouting insects and diseases of vegetables is the Clemson Home & Garden Information Center. Check out their Vegetable Problem factsheets.