CH Landscape Design and Installation

Question 1

In landscape design, the principle of 'unity' is achieved by:

Accepted Answer

Repeating compatible elements to create a cohesive, harmonious composition

Answer

Using as many different plant species as possible

Answer

Maximizing color contrast throughout the landscape

Answer

Mixing all design styles in one space

Question 2

The 'Right Plant, Right Place' principle in landscape design primarily considers:

Accepted Answer

Matching plant cultural requirements to existing site conditions

Answer

Plant cost and availability only

Answer

Seasonal color sequencing

Answer

Container size at installation

Question 3

When installing balled-and-burlapped (B&B) trees, the top of the root ball should be placed:

Accepted Answer

At or slightly above the surrounding grade

Answer

6 inches below grade

Answer

Exactly at grade

Answer

12 inches above grade on a mound

Question 4

A hardiness zone map (such as the USDA Plant Hardiness Zone Map) is based primarily on:

Accepted Answer

Average annual minimum winter temperatures

Answer

Annual rainfall averages

Answer

Frost-free days per year

Answer

Elevation above sea level

Question 5

In planting design, 'accent plants' are used to:

Accepted Answer

Create focal points or draw attention to key areas

Answer

Form the bulk of ground cover

Answer

Define the outer boundary of a bed

Answer

Provide the most seasonal color

Question 6

The term 'plant caliper' refers to which tree measurement used in nursery specifications?

Accepted Answer

Trunk diameter measured at 6 inches above ground

Answer

Tree height in feet

Answer

Root ball diameter

Answer

Crown spread in feet