Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rhamnaceae

Genus:

Colletia

Species:

Colletia spinosissima

USDA Symbol:

COSP14

Growth Characteristics

Height:

300 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr,may,jun

Bloom Colors:

white

Landscaping Shrub:

Yes

Garden & Ecology Notes

Wildlife Value:

birds, bees

Deer Resistant:

Yes

Fragrant:

Yes

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid regions, prefers dry conditions

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

30–90 days

Notes:

Seeds benefit from cold stratification for 2-3 months to break dormancy.