Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Robinia

Species:

Robinia × holdtii

USDA Symbol:

ROHO

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

1500 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun

Bloom Colors:

white, pink

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:

★★★★☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, birds

Salt Tolerant:

Yes

Fragrant:

Yes

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

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–30 days

Notes:

Seeds require scarification (hot water or mechanical) followed by cold stratification for 30-60 days.