Begin fall fertilization of cool-season lawns now. Three light feedings made on a “holiday” schedule — approximately Labor Day, Halloween and Thanksgiving — work better than one single heavy application.

Begin fall seeding and sodding of cool-season grasses. Early September through mid-October is the ideal window of opportunity for these tasks.

Continue monitoring plants for spider mite activity during hot weather. Forceful sprays of water can effectively reduce their numbers below a damaging threshold.

Stop deadheading coneflower seedheads now to allow goldfinches and other seed-eating birds to enjoy the harvest.

Divide and transplant top-setting (Egyptian) onions now.

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