Lilacs are one of the most cherished and adored of all flowering shrubs. They are noted for their beautiful blossoms and fragrance. Lilacs are available in a wide range of colors. Though they offer mainly one season of interest, their spring flower displays are greatly appreciated after a long, hard winter.
Learn about the selection and care of lilacs in Iowa.
Several factors cause branch dieback on trees. Correctly diagnosing the problem(s) is the first step in managing an unhealthy tree. Below are some common causes of branch dieback on trees in the landscape. Use this guide to evaluate your tree and determine the likely cause of the branch dieback.
Effective weed management in vegetable gardens is important and involves using multiple methods, often together. Learn about the many different options for controlling weeds in your home vegetable garden.
Roses are grown by millions of gardeners throughout the world for their beautiful flowers. To reduce the confusion of selecting between thousands of rose varieties, roses are classified into various groups. In Iowa, the major groups of roses that can be grown include shrub roses, hybrid teas, miniatures, and others.
Each of these types varies in their season of bloom, winter hardiness, and maintenance requirements. Use the information below about each type of rose to select the best rose for your landscape.
Wood chips and shredded bark are commonly applied to landscape areas to control weeds and conserve soil moisture. Wood chips and shredded bark are organic matter. The decaying organic matter provides an ideal environment for some strange-looking fungi or fungal-like organisms when weather conditions are favorable. Fungi that occasionally grow in landscape mulches in Iowa include stinkhorns, slime molds, and bird’s nest fungi.
Cucumbers (Cucumis sativus) are a vegetable garden staple. These vining plants are in the gourd family (Cucurbitaceae) and include not only cucumber, but squash, pumpkin, gourd, watermelon, and cantaloupe. This member of the "vine crops" grows on long trailing vines that can take up quite a bit of space in the home vegetable garden, so plan accordingly if you are thinking of adding them to your home garden. Cucumbers can be successfully grown on trellis systems to save space and make harvest easier.
Tomatoes are the most popular vegetable crop to grow in the home garden. Many diseases, disorders, and insect pests can affect tomatoes during the growing season.
Learn more about managing the common problems found with tomatoes in the home garden including blights, wilts, blossom end rot, viruses, fruit cracking, tomato hornworm, and more.
Many trees and shrubs thrive in Iowa's fertile, well-drained soils. Most trees and shrubs, however, don't like wet soils. Fortunately, some plants tolerate wet soils better than others.
When selecting trees and shrubs for the home landscape, gardeners should select plants suitable for the site. Wet sites can be a challenge. However, the trees and shrubs listed below will perform well in wet soils.
Commercial fertilizers, composted manures, and other fertilizers are applied to supplement a soil's natural fertility. The rate of material to apply varies according to past fertilizer use, crop grown, soil type, and other factors.
Rabbits tend to avoid plants with strong aromas or dense hairy leaves. Discover annuals, perennials, trees, and shrubs that are less likely to be damaged by rabbits, compiled from various Midwest sources.
Learn about blackberry varieties for Iowa, including winter-hardy and primocane-bearing types. Discover proper pruning techniques for summer-bearing and primocane blackberries to maximize yield and plant health.
Some individuals consider shady sites to be problem areas in the home landscape. However, shady areas actually provide opportunities for home gardeners. Wise plant selection can turn a shady site into an attractive landscape area. A number of trees and shrubs can be successfully grown in partial shade. (Partially shaded sites receive 3 to 4 hours of direct sun but are in shade the rest of the day.)
Selecting and planting shade tolerant trees and shrubs, along with suitable annuals and perennials, can transform bare shady areas into attractive landscape sites. Below is a list and brief description of trees and shrubs adapted to partial shade.
Newly-planted trees need active and frequent care during the entire establishment period. In USDA hardiness zones 4 and 5, the establishment period lasts about 12 months per inch of trunk diameter. For a two-inch caliper tree, this translates into a 24-month establishment period. Good cultural practices during this period help reduce transplant stress and create a favorable environment for tree growth.
Consistent and proper care during the establishment period is the most important thing you can do to succeed with your new tree.
The garden peony is a popular, long-lived perennial that provides beautiful flowers in spring and handsome foliage throughout the growing season. If left undisturbed, a peony plant may flower for 50 or more years. Below is information on growing peonies in Iowa, including care, propagation, planting, types, and recommended cultivars.
Succulents generally make good indoor plants because they require little care. They are grown for their attractive leaves, stems, growth habit, and/or flowers. The many different colors, shapes, and sizes of succulents and the fact that many are small in size make them highly collectible.
Some plant injuries are caused improper use of chemicals like insecticides, fungicides, herbicides, miticides, and other pesticides, as well as chemicals like fertilizers and growth regulators. Damage from drifted or improperly applied chemicals can be challenging to diagnose because many of the symptoms can look like those caused by biotic factors like diseases or insect pests.
Learn all about how to identify and manage chemical injury to garden plants, including edible plants.
Clematis are vining members of the buttercup family (Ranunculaceae). Over 250 species and hundreds of varieties are available which bloom from May until frost. No matter how you say it (kla-MAT-us; KLEM-a-tis), they are some of the most beautiful and diverse climbing vines for the landscape. They have earned the moniker of "Queen of Vines."
