Magazine article Sunset

What to Do in Your Garden in September

Magazine article Sunset

What to Do in Your Garden in September

Article excerpt


* HARDY PERENNIALS. Set out transplants of campanula, candytuft, catmint, coreopsis, delphinium, dianthus, foxglove, penstemon, phlox, salvia, and yarrow. In areas where soil freezes deep every winter, spread a thick layer of mulch around plants to keep them from being heaved out of the ground.

* INSTANT FALL COLOR. As tender perennials are damaged by frost, remove them and pop in fall-blooming asters, chrysanthemums, and pansies.

* TREES, SHRUBS. Cool fall temperatures are perfect for planting trees and shrubs. Apply several inches of organic mulch around the plants and don't let their rootballs dry out as they become established.

* VEGETABLES. Sow seeds of lettuce and other salad greens, radishes, and spinach for late-fall harvest. Keep the bed evenly moist and use a floating row cover to protect plants from early frosts. Spinach can be left in the ground over the winter for harvest in late winter or early spring.


* CARE FOR HOUSE PLANTS. Bring house plants back indoors before the first frost. Inspect them carefully for insects; if you find them, spray the foliage with insecticidal soap or a pyrethrum-based insecticide labeled safe for house plants. Be sure to spray tops and undersides of the leaves thoroughly.

* CONTROL PERSISTENT WEEDS. Spray perennial weeds such as bindweed and Canadian thistle with a glyphosate-based herbicide before first frost. Cut and discard any seed heads before spraying. …

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