Infestations by "big, black ants" often are a sign of a tree that has already been weakened by other damage. Read more about Carpenter Ants in Trees
A good landscape plan has several layers of plant diversity. For example, grasses, annual/perennial flowers, shrubs, small trees, and large shade trees complete the different layers to make the site aesthetically pleasing. Read more about Yellowwood - An Uncommon Find
Verticillium wilt is a fungal disease that affects over 300 species of plants, including many common trees and shrubs. In Iowa, it is most commonly seen on maple, ash, and catalpa trees, although it is also frequently found on smoke tree, viburnum, lilac, cherry, plum and several other trees and shrubs. Read more about Verticillium Wilt - A Serious Disease of Trees and Shrubs
Rabbits are often portrayed as cute, furry creatures in books and movies. In the real world, however, rabbits can be destructive pests in the home landscape. In winter, rabbits often browse on young trees and shrubs. If feeding damage is extensive, trees and shrubs can be completely destroyed. Read more about Protecting Trees and Shrubs from Rabbits
The most common way to establish trees in the home landscape is to purchase balled and burlapped or container-grown plants at local garden centers and nurseries. Balled and burlapped (B&B) trees are dug with balls of soil around their roots. The rootballs are wrapped in burlap and held in place with twine or nails. Large trees are placed in wire baskets for additional support. Balled and burlapped trees can be successfully planted from spring to fall. Read more about Planting and Caring for New Trees in the Landscape
All evergreens, and particularly broad leaf evergreens such as boxwood and rhododendron, are susceptible to winter desiccation. Winter desiccation also is referred to as winter burn or winter browning. Desiccation occurs when the evergreen's foliage loses moisture due to the bright winter sun and harsh winter winds. In winter the plants are not able to absorb enough additional moisture from the soil to replace the water that evaporates from the foliage and stems. In addition to making sure the plants are well watered before the onset of winter there are a few other measures homeowners can take to protect the plants. Read more about Preparing Evergreens for Winter
My neighbor’s ‘Tiger Eyes’ sumac has produced several suckers. Can I dig up one of the suckers and plant it in my yard?
What is the common name of the tree that produces yellow-green hedge balls?
My ‘Sunburst’ locust is not growing well. What could be the problem? Read more about Ask the ISU Extension Gardening Experts
Why is my hackberry tree losing some of its new leaves?
My five-year-old redbud tree is not leafing out this spring. What happened to it?
What are some good drought tolerant annuals? Read more about Ask the ISU Experts
Juglone produced by black walnut trees can injure or kill susceptible plants. The symptoms include yellowing leaves, wilting and eventual death of those plants. Read more about Black Walnut: The Killer Tree
Dwarf blue spruce is a low-maintenance option for your landscape Read more about Dwarf Blue Spruce: A Superb Year-Round Garden Plant