November 7, 1997
A wreath is an attractive, easy-to-make decoration for the upcoming holiday season. Materials that are needed to construct a wreath include a pruning shears, scissors, wreath frame, No. 22 or 24 gauge florist wire, wire cutter, and evergreen branches. Decorative materials, such as ribbon (bows), pine cones, holly, various fruits, and ornaments, may be used to finish the wreath.
Continuing instruction courses (CIC's - 1997) for commercial pesticide applicators are listed below. Continuing education courses are approved for specific certification categories. Mailings with registration information for these programs are sent to companies or applicators who are certified in each of these categories. If you are a certified commercial pesticide applicator but do not receive registration information 3 weeks before the program, call the Entomology Department at 515-294-1101.
Winter can be tough on Iowa's trees and shrubs. Low temperatures, rapid temperature changes, winter desiccation, and the weight of ice and snow can damage vulnerable trees and shrubs.
Iowa is located in USDA Hardiness Zones 4 and 5. The average annual minimum temperature in Zone 5 is -10 to -20 F. The average annual minimum temperature in Zone 4 is -20 to -30 F. The dividing line between Zones 4 and 5 lies roughly from Shenandoah to Ames to Dubuque.