Exam 31: Xeriscaping

Controlling ____________________ in plantings will reduce competition for soil water.

What was the first city to use Xeriscaping in an organized program?

How much water is consumed by potted flowers and other plants compared to in-ground plantings?

____________________ walks after mowing, rather than hosing them, will conserve water.

If drought necessitated that some plants be allowed to die, the plants to be saved should be those having a high ____________________.

Many plant choices are inappropriate for their sites, surviving only because of supplemental irrigation.

Flowers and shrubs are always the greatest users of water.

With Xeriscaping, what thickness of mulch should be applied for soil water retention?

Understory plants will use less water if trees are placed where they will cast ____________________ over the understory plants.

Because of education and a favorable public awareness of water, our national water supply is no longer in jeopardy.

If Xeriscaping is done correctly, it should not be perceived as punitive or restrictive.

What is the primary goal of Xeriscaping?

Xeriscaping emphasizes the use of ____________________ plants.

Fertilization of plants should strive to promote rapid and lush growth in order to ensure their survival because the plants will make most efficient use of the reduced water supply.

The industrial prominence of the northeastern states is largely due to the generous supply of water found in lakes and other sources.

Water applied in early ____________________ is more beneficial to plants than water applied in the late afternoon.

How can landscape designers take the lead and reduce water consumption of landscapes?

Xeriscaping is now practiced in areas ranging from the desert of Arizona to the subtropics of Florida to the Rocky Mountains.

Where are high-water-use zones most appropriately used?

Which type of mulch is most beneficial in water retention?