Utah County Online
Utah County Online - The Official Website of Utah County Government Utah County Online Home Utah County Online - Contact Us Utah County Online - Quick Find Utah County Online - Search
Utah County Online Utah County Departments Menu Utah County Government - County Information Menu Utah County Government - Online Services Utah County Government - Residents Menu Utah County Government - Visitors Menu Utah County Government - Business Menu Utah County Government - Links Menu
Utah County Online
Official Website of Utah County Government Official Website of Utah County Government
Utah County Extension Services  
 

Questions Bugging Gardeners This Week

WHEN IS THE BEST TIME TO PRUNE FRUIT TREES ALONG THE WASATCH FRONT?

As a general rule of thumb, the best time to prune all fruit trees is after the harshest part of the winter has passed.

WHAT FRUIT TREES SHOULD BE PRUNED FIRST?

All fruits need to be pruned before the sap starts to flow in the spring. We need to start with the hardiest varieties (such as apples, pears, plums and apricots). Peaches and nectarines should be saved until the last. We have found that peaches that are pruned before the last hard freeze will have significant damage due to the cold.

WHEN DO I PRUNE MY GRAPE VINES?

Grape vines are some of the hardiest plants along the Wasatch Front that we have to manage. We still need to have them pruned prior to the major sap flow in the early spring. All grapes should be pruned by mid to late February along the Wasatch Front.

WHAT ARE THE BEST KINDS OF TOOLS TO USE FOR PRUNING FRUIT TREES AND GRAPE VINES?

(1) LOPPERS for the big branches, up to 1 inch.

(2) HAND SHEARS (BYPASS) for the small branches less than 3/8 inch.

(3) PRUNING SAW for the bigger branches over 1 inch.

(4) CHAINSAW for any branches over 5 inches.

DON'T FORGET - Your thumb is one of the very best pruning tools to be used during the summer to remove the young suckers and water sprouts before they reach 4 inches in length.

WHAT IS THE MOST IMPORTANT PESTICIDE APPLICATION DURING THE SEASON?

Applying the delayed dormant oil just prior to the blossoms opening is the most important pest control for the whole season. This is for all fruit trees, grape vines, berries -- anything that might have scale, mites, or other insect eggs on the trunks of the trees.

WHEN IS THE BEST TIME TO APPLY THE DORMANT OIL SPRAY ON ALL FRUIT TREES AND GRAPE VINES?

The dormant oil spray should be applied prior to the opening of the buds. As the buds begin to swell with our early spring high temperatures, apply the dormant oil which includes oil, a fungicide, and an insecticide all mixed at the recommended label rates (be sure and follow the label).

Q. My roses have a white, powdery substance on them. What is it and what can it be controlled with?

A. This is powdery mildew. Keep water off of the plants. They do best in full sun, or in morning sun so the plants dry off if they get any dew on them. Use a fungicide to prevent mildew on new growth. Benomyl, funginex or Daconil can be used. If you want to try a home remedy, here is one:

Powdery Mildew Control

1 Tablespoon vegetable oil
1 Tablespoon baking soda
1 teaspoon insecticidal soap concentrate
1 gallon water

Spray on all leaf surfaces

Q. When can I spray for the cherry fruit fly?

A. Wait until the cherries start to get a straw color or a little pink to them. We have not caught any cherry fruit flies yet. Check with our TeleTips for more details. The number is 370-8455 and can be called 24 hours a day.

Q. My apple trees have some branches that look dead and the leaves look like they have been burned. What caused it?

A. This is fire blight. The only thing that can be done now is to prune out the affected parts. Cut the branch at least 12 inches below the affected area and sterilize the pruning tools between cuts with commercial strength Lysol.

Q. How can I control grasshoppers?

A. There are several baits that can be used. One of them has a disease in it that will control grasshoppers. If there is a vacant field near your home, it will be very difficult to control them.

   
Home | Departments | County Info | Online Services | Residents | Visitors | Business
Links | Contact Us | Quick Find | Search | Help

Copyright © 2006 Utah County Government. All Rights Reserved. Disclaimer/Terms of Use/Privacy/Security/Accessibility Statements..
 
 
Gardening Bulletins
Newsletters
Horticulture
Home Economics
4-H
Farmer's Market
Continuing Education
News
Calendar
FAQ's
Related Links
Survey
  Contact Us
  About Us