Sea Campion

Silene uniflora

Native to:
Azores, Canary Is., Denmark, Finland, France, Iceland, Ireland, Madeira, Norway, Poland, Portugal, Russia, Selvagens, Spain, Sweden

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Caryophyllaceae
Genus:
Silene
Species:
Silene uniflora
USDA Symbol:
SIUN

Growth Characteristics

Height:
25 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
white, pink
Ground Cover:
Yes

Host Plant for Caterpillars

Allen's Aphelia (Aphelia alleniana)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to coastal areas, tolerates salt spray

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds germinate best with light exposure; surface sow and do not cover deeply.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. GA3 improves germination.

Source: Ontario Rock Garden & Hardy Plant Society