Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Polemoniaceae

Genus:

Leptosiphon

Species:

Leptosiphon harknessii

USDA Symbol:

LEHA11

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

15 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun,jul

Bloom Colors:

white, cream

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to dry, open habitats

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds germinate best with cold stratification and light exposure. Surface sow or barely cover.

The above propagation data sourced from Claude AI