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News / Life / Clark County Life

Gardening with Allen: Pruning tasks for early summer

By Allen Wilson, Columbian freelance writer
Published: June 22, 2024, 6:08am

Is this a good time to prune my trees and shrubs or should I wait until they have made all their growth?

Certain kinds of pruning are best done in early summer. You will want to continue to prune old blooms on roses to stimulate new flower production. Now is the best time to remove water sprouts from fruit and other trees. Spring flowering shrubs should be pruned before they set new flower buds in late summer.

Roses: It is important to prune at the best place to get strong new growth and good sized flowers on hybrid tea (cut flower) roses. Prune just above a 5 leaflet leaf to get strong regrowth. I also like to remove stems that are smaller than pencil size on hybrid tea roses. Smaller stems can remain on floribunda and shrub roses.

Fruit trees: June is a critical time to remove those fast growing vertical sprouts that occur after fruit trees are pruned in the fall, winter or early spring. Sprouts can be quickly and easily snapped off with your fingers when they are soft and flexible. Snapping is preferable to cutting, because it removes tissue that can regrow another water sprout, sometimes in the same growing season. If you wait until fall or winter to remove those sprouts, new ones will grow to replace them next spring. Stop the sprout cycle now. And if you do happen to have more new water sprouts later, snap them off while they are young and soft.

Apple fruit thinning: Apples set fruit in clusters of five fruits each. Sometimes one or two fruits will drop naturally. If all five fruits are allowed to develop, fruit will be very small. Fruits will be largest if only one fruit is left in a cluster. Fruit will still be good sized if two are allowed to develop.

Spring flowering shrubs: There is about a two-month window when spring flowering shrubs such as lilac, azalea and rhododendron should be pruned. If pruned after mid-August, most newly developed flower buds will be removed resulting in few if any flowers next spring. Summer flowering shrubs, such as butterfly bush and hydrangea develop their flowers on new spring growth, so they can and should be pruned in the fall and winter.

Roses need repeat treatments with pesticides to keep them free from black spot and aphids. Neem oil is an organic pesticide that controls both black spot and aphids and other sucking insects.

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Columbian freelance writer