WorksheetsMG16 Woody Ornamentals
Total questions: 15
Worksheet time: 8mins
What is a key consideration in selecting trees or shrubs for a landscape
Size and shape of plant at maturity
Susceptibility to diseases
Fruits that are large, messy, or smelly
All of these
_____ trees should be used to shade southern-facing windows in summer and to allow warmth and light in the winter
Deciduous
Coniferous
Evergreen
Semi-dwarf
Most trees have a symbiotic relationship with mycorrhizal fungi. Oaks are mycorrhizal obligate rather than mycorrhizal facultative. This means:
oaks will not reach maturity in the absence of these fungi.
the mycorrhizal fungi cannot survive in tandem with oaks.
oaks will survive in the absence of the fungi, but will be healthier and more robust in their presence
the mycorrhizal fungi flourish within the roots of these trees and ultimately dominate the vascular system.
When planting bare-root trees:
amend backfill with 25% compost
make a layer of firm soil at the bottom of the planting hole
put fertilizer in the planting hole
head back 1/3 of the branches
The planting hole for a B&B tree should be:
deep enough to cover the root flare
one to two feet wider than the diameter of the root ball
backfilled with organic matter
all of these
Which is the procedure for planting container-grown shrubs that are over-grown and the root mass is growing in a tight compact circle around the soil ball?
Plant to a depth equal to the rim of the container
Cut the outer roots with a sharp knife to break up any circling roots
Amend the backfill with 25% peat moss
Add high nitrogen fertilizer to the planting hole
The growth and development of artillery fungus is reduced by:
avoiding high wood based mulches
mixing wood mulch with compost
using double-shredded mulch
both, avoiding high wood based mulches AND mixing wood mulch with compost
A homeowner chooses an early blooming clematis for his landscape. When should he prune the vine?
prune immediately after flowering
cut back all previous year's growth in the spring
prune weekly throughout the summer
cut current year's growth to the ground in the fall
Groundcovers have a number of positive aspects. Which of the following is not one of these positive features
erosion control
unifying landscape design element
conserve soil moisture
maintenance free garden beds
