Fertilizer provides the nutrients that shrubs need to grow and thrive.

May 19, Fertilizing evergreen trees and shrubs. Fertilize evergreens only when it is recommended in a soil test report. The feeder roots of evergreen trees and shrubs are very shallow and excessive rates of quick-release fertilizer can damage them. Broadcast a. Jan 15, Fall fertilization (mid-September through mid-October) can be beneficial, however, providing plants with nutrients that are stored in roots and stems, ready to use for the next spring’s growth.

Do not fertilize plants showing symptoms of drought stress.

Another organic fertilizer that may soon be used in greater quantities is sewage sludge.

Do not fertilize a tree or shrub during a drought unless plants are irrigated regularly. Plants cannot use the fertilizer without. Oct 31, Specifically, fertilizing your trees and shrubs in the fall promotes the following benefits: 1.

Encourages Vigorous Tree Growth Especially in the changing climates of the Midwest, fertilizer can boost the plant’s ability to withstand the effects of heavy rainfall, windstorms, hot temperatures and freezing rain and snowEstimated Reading Time: 8 mins. Fall fertilization (mid-September through mid-October) can be beneficial, however, providing plants with nutrients that are stored in roots and stems, ready to use for the next spring’s growth. Do not fertilize plants showing symptoms of drought stress.

Do not fertilize a tree or shrub during a drought unless plants are irrigated regularly. Fertilize before July or after the leaves have dropped in the fall so the plant is able to harden-off properly for the fall.

What happens if I over-fertilize? Over-fertilizing can severely damage or kill woody plants. Read manufacturer’s instructions on the amount of fertilizer to use before beginning.