Alpine Balsam

Erinus alpinus

Native to:
Algeria, Austria, Baleares, France, Italy, Morocco, Sardegna, Switzerland

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Plantaginaceae
Genus:
Erinus
Species:
Erinus alpinus
USDA Symbol:
ERAL21

Growth Characteristics

Height:
15 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul,aug
Bloom Colors:
pink, purple, white
Ground Cover:
Yes

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, 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 alpine regions; prefers crevices

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 days
Notes:
Seeds require light for germination; surface sow and do not cover. Best germinated at cool temperatures around 15-18°C.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires light / surface sow (fine seed).

Source: Ontario Rock Garden & Hardy Plant Society