Weatherford Democrat

Local News

May 19, 2013

ASK A MASTER GARDENER: Timely prunings will make for better mums

Here are this week’s gardening questions and answers, provided by Parker County Master Gardeners. To submit a question, send it to pcmgaquestions@gmail.com. For more information about Parker County Master Gardeners, or to become a member, call 817-598-6096 or visit www.pcmg-texas.org.

When should I prune my garden mums?

Garden mums are a perennial that will bloom twice each year if they are not pruned. However, the stems will be long and floppy and the flowers will be small. Timely pruning will greatly improve the appearance and the bloom of the plant.

In mid spring, when mums fill out with leaves and flower buds, prune the plant back to about 8 inches tall. Around the first of July, lightly prune them again by pinching off the soft green stem tips.

Be sure to take off only the pliable part of the stem. Then, let the mums grow. They’ll develop flower buds for brilliant blooms in late autumn. In late winter, cut dead stems to the ground. New leaves will sprout in the spring from the underground roots.

Genista caterpillars are eating the leaves on my Texas mountain laurel. What can I do to get rid of them?

You can remove the caterpillars with a high-pressure water spray. An insecticidal soap can be effective on small, young larvae without introducing harsh chemicals to your landscape. Insecticides such as BT (Bacillus thuringiensis), spinosad or pyrethrins can be used on large infestations.

These are recommendations from the Parker County Master Gardener handbook, the real dirt and from our IPM (Integrated Pest Management) guidelines. This pest is a problem in a relatively small market, and it may be difficult to find them listed on the label; so look for the ingredients we have suggested.

All pesticides should be stored in their original, labeled containers and kept out of the reach of children. Never dispose of pesticides in a storm drain or any other drain.

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