Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Robinia

Species:

Robinia × holdtii

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

12-20 ft

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

mar, apr, may, jun, jul, aug

Bloom Colors:

pink, purple

Native Range

United States: Colorado, Utah, Wyoming

Keystone Species Ranking

Caterpillar Keystone:

★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Prefers sunny locations with good air circulation