trees and shrubs for insects and disease. Adjust watering
pruning early flowering shrubs such as lilacs and spring
flowering spirea after flowering.
of Dutch elm disease and oak wilt start to become more noticeable.
Fungicide injections can prevent both diseases.
pruning evergreen shrubs before it gets too hot (especially
if shearing must be done).
hedges and formal shrubs to maintain shape.
flowering shrubs such as weigelia and mockorange after flowering.
pruning should be done only for trees with no disease issues.
diseased elm trees to minimize spread of Dutch elm disease.
fertilization begins in September.
injections to treat and prevent Dutch elm disease and oak
wilt will continue until the trees start losing leaves.
insect pests can be controlled for the following year by applying
soil-injected insecticides in fall.
pruning for deciduous shrubs can be done except for shrubs
where flowers will be removed.
is good time for removal of buckthorn and unwanted trees.
new trees and shrubs. Make sure enough time is left for root
establishment before winter.
overgrown perennials. Clean up and mulch perennial beds.
majority of maintenance in winter is pruning of oak, elm,
locust, hawthorn, and fruit trees.
is a good time to do any removals that may involve heavy equipment
to minimize the impact on landscapes.
perennials to plant in spring so they will arrive at the proper
dormant season pruning, especially for oak, elm, locust, and
fruit trees (end of march)
hybrid tea and modern roses before growth begins.
prune out dead and damaged canes on old roses.
up and mulch perennial beds.
disease control season starts with apple scab and athracnose
trees and shrubs to promote growth and health.
early flowering shrubs such as magnolia and forsythia after
new trees, shrubs, and perennials.