Deck 28: Winterization of the Landscape

Question 1

Some winter injury cannot be avoided and must be accepted and dealt with.

Answer 1

True

Question 2

If the weather becomes unusually warm during the winter, this can also cause plant damage.

Answer 2

True

Question 3

The sheer weight of snow and ice from winter storms can damage plants or result in permanent loss of the plant's shape.

Answer 3

True

Question 4

Salt is actually not toxic to very many plants.

Question 5

Sprinkling water on plants just prior to nightfall has not been shown to prolong the lives of annual flowers when frost threatens during the fall season.

Question 6

Sunscald can be avoided if plants are properly placed in the design.

Question 7

Plants that freeze before receiving a heavy load of snow or ice are especially vulnerable to injury.

Question 8

Whenever possible, snowplows should be used to clear walks instead of snowblowers because they cause less damage.

Question 9

If breakage of plants occurs during the winter, the groundskeeper should wait until spring to prune the damaged part.

Question 10

During unusually warm weather in early spring, fruit trees may be encouraged to bloom prematurely, only to have the blooms killed by the next frost.

Question 11

Which evergreens are the most susceptible to windburn?

A) narrow-leaf
B) broad-leaf
C) firs
D) None of these answers is correct

Question 12

Sunscald is especially troublesome for evergreens planted on which side of a building?

A) north
B) east
C) south
D) west

Question 13

What can you wrap a plant in to help guard against extreme cold temperatures and winter winds?

A) burlap
B) plastic
C) netting
D) canvas

Question 14

Windburn can be reduced if the designer of the landscape specifies what type of plant material?

A) evergreen
B) small
C) deciduous
D) large

Question 15

The use of what type of product may also reduce water loss and its effect on windburn?

A) lime
B) leaf polish
C) surfactants
D) antitranspirants

Question 16

Winter injury is caused by what two agents?

A) humans
B) chemicals and diseases
C) nature
D) both "humans" and "nature"

Question 17

What happens when the ground freezes and thaws repeatedly because of temperature fluctuations?

A) cycling
B) permafrost
C) heaving
D) None of these answers is correct

Question 18

Which plants suffer greater damage from heavy snowfalls and ice storms?

A) older and larger
B) younger and smaller
C) older and smaller
D) younger and larger

Question 19

Damage caused by small rodents when they chew away the bark around main stems is called what?

A) stripping
B) pinching
C) constricting
D) girdling

Question 20

Plants that are at the limits of their hardiness can be killed by extended periods of severely cold weather. How should those species be regarded when the plant selections for a proposed landscape are being made?

A) marginally hardy
B) marginally weak
C) extremely hardy
D) moderately weak

Question 21

____________________ is any damage done to parts of the landscape during the winter season.

Question 22

____________________ is a special type of temperature-related injury to a plant.

Question 23

____________________ results when evergreens are exposed to strong prevailing winds through the winter months.

Question 24

Poured concrete is vulnerable to the corrosive effects of ____________________.

Question 25

Muddy areas can result in the winter when surface water cannot soak in because the ____________________ is still frozen.

Question 26

The best way to prevent heaving of turfgrass is to encourage ____________________ during the growing season.

Question 27

Mixing salt with ____________________ can not only melt the ice but provide traction as well.

Question 28

Young trees with thin bark are susceptible to ____________________ injury until their bark thickens.

Question 29

When flowering shrubs fail to bloom in the spring, even though they appear healthy, it may be because their flower buds were more ____________________ than their leaf buds.

Question 30

Heaving causes injury by permitting the ____________________ of plant roots.