Pacific Northwest

September, 2008
Regional Report

Sow Cover Crops

As the vegetable garden completes its cycle, pull out and compost disease-free plants. This will leave room to sow the seeds of a cover crop to help fix nitrogen and prevent soil erosion through the winter. Hairy vetch and Austrian peas are good nitrogen-fixing cover crops, while winter rye is a good general cover crop for our region.

Harvest Small Fruits

Harvest the last of the grapes and blueberries, and clean up any fallen apples and pears. Bruised fruit should be used right away. If you have a bumper crop of fruits, cook and freeze or can your bounty while it's still at the peak of perfection. Store apples and pears in a cool, airy place, such as a garage or protected porch. Apples, in particular, will last months with proper storage.

Lightly Prune Roses

You can continue to cut rose flowers to take indoors for the next few weeks, but by early October it's best to leave faded roses on the bush and allow them to form hips. The hips signal the plant to prepare for cold weather, helping to ease it into dormancy. A plant properly hardened off in fall will survive our winters much better.

Remove Fall Webworms

Larvae of the Hyphantria moth construct webbed tents around branches in the tops of trees and shrubs such as apple, ash, and plum during the late summer and fall months. These pests will defoliate, but they won't kill a healthy tree or shrub. Destroy colonies by cutting the branch out or removing them with a broom handle, or let natural predators find and eradicate them.

Revitalize Lawns

Clean up leaves and debris, mow, and otherwise tidy the lawn. Dig out clumps of weedy grass and rake out dead spots. To reseed dead spots, scratch the soil surface with an iron rake to loosen the soil, lightly scatter seed over the bare area, top-dress it lightly with compost, and water well. Cooler fall temperatures and natural rainfall will help the grass green up in a hurry.

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