CPP Landscape Design & Installation 2

Question 1

What is the recommended minimum soil volume (cubic feet) for a medium-sized street tree to achieve adequate establishment?

Accepted Answer

600 cu ft

Answer

Research-based standards, including CU-Structural Soil guidelines, recommend approximately 600 cubic feet of adequate rooting volume for a medium street tree to thrive long-term.

Question 2

In a landscape bed installation, the proper method for placing mulch around the base of a newly planted tree is to:

Accepted Answer

Spread mulch in a flat ring keeping it away from the trunk

Answer

Mulch should be spread in a flat donut ring, 2–4 inches deep, keeping it 6 inches away from the trunk to prevent rot and pest issues.

Question 3

Which design element refers to the transition from one area or plant grouping to another using plants of intermediate size or texture?

Accepted Answer

Transition

Answer

Transition is the gradual change in plant size, texture, or color that creates a smooth visual flow between different areas of the landscape.

Question 4

When designing for stormwater management, a bioswale is best described as:

Accepted Answer

A vegetated channel designed to slow and filter stormwater runoff

Answer

A bioswale is a vegetated, shallow channel that conveys, treats, and infiltrates stormwater runoff, reducing pollutant loads and peak flow rates.

Question 5

Which document in a landscape construction set typically includes plant quantities, sizes, and specifications for procurement?

Accepted Answer

Plant schedule

Answer

The plant schedule (or plant list) details the botanical name, common name, quantity, container size, and specification notes for all plants in the design.

CPP - Certified Plant Professional Practice Test

CPP - Certified Plant Professional Practice Test

CPP Landscape Design & Installation 2