CLARB CLARB Planting Design and Horticulture Questions and Answers 2

Question 1

What does the term 'xeriscaping' primarily emphasize in landscape design?

Accepted Answer

Water-efficient landscaping using drought-tolerant plants and soil management

Answer

Use of exotic tropical plants for visual impact

Answer

Formal garden design with geometric planting patterns

Answer

Dense planting schemes for privacy screening

Question 2

Which plant community classification describes a stable, self-perpetuating community in long-term equilibrium with the local climate?

Accepted Answer

Climax community

Answer

Pioneer community

Answer

Seral stage

Answer

Edge community

Question 3

In landscape specifications, the abbreviation 'B&B' refers to what method of plant material preparation?

Accepted Answer

Balled and burlapped

Answer

Branch and bole

Answer

Bare and bundled

Answer

Base and branching

Question 4

What does 'succession planting' mean in landscape design?

Accepted Answer

Staggering plants with different bloom times to provide continuous seasonal interest

Answer

Replacing diseased plants with disease-resistant varieties in sequence

Answer

Installing plants in the exact order they were listed in the specifications

Answer

Using plants arranged from tallest to shortest in the planting plan

Question 5

Which plant characteristic is most important when designing for year-round interest in a temperate US climate?

Accepted Answer

Four-season ornamental qualities including bloom, foliage, fruit, and winter structure

Answer

Rapid growth rate to quickly fill the space

Answer

Large leaf size for bold textural impact

Answer

Dense evergreen canopy for year-round screening

Question 6

What soil pH range is generally optimal for most landscape plants grown in the continental United States?

Accepted Answer

5.5–7.0

Answer

4.0–5.0

Answer

7.5–8.5

Answer

8.5–9.5