Regional Gardening Reports :: National Gardening Association

Northern California Coastal & Inland Valleys

May, 2011
Regional Report

Fertilize Perennial Flowering Shrubs

Fertilize perennial flowering shrubs such as rhododendrons, azaleas, and camellias when they have finish blooming with a slow release organic fertilizer. Dibble dry product into soil around the drip line of each plant.

Thin Developing Apples

To harvest larger fruit, thin developing apples to one apple per cluster. Use hand shears or twist the unwanted fruit free from the stem by hand.

Attract Ladybugs

Attract ladybugs to your garden by planting goldenrod, morning glory, and yarrow. Ladybugs also need a source of water and a safe place to spend the night. Search for commercial ladybug houses on line.

Dispose of Unused Medication Correctly

Unused or expired medications should not be flushed down the toilet where they will eventually make their way into the environment. Instead, visit to find a proper disposal option.

Combat Insect Infestations

Aphid, whitefly, thrips, and scale are all insects that thrive in warmer weather. Introduce beneficial insects such as ladybugs, lacewings, hoverflies or braconid wasps to control unwanted insect populations. Plants that attract these insects include fennel, lemon balm, marguerites and daisies.


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