Woodland Geranium

Geranium sylvaticum

Native to:
Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Corse, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Greece, Greenland, Hungary, Iceland, Iran, Ireland, Italy, Kazakhstan, North Caucasus, Norway, NW. Balkan Pen., Poland, Romania, Russia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Geraniaceae
Genus:
Geranium
Species:
Geranium sylvaticum
USDA Symbol:
GESY

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
80 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
violet, purple, pink, white

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates moderate drainage
Moisture:
consistently moist
Notes:
Prefers cool, temperate climates with partial shade

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Germination can be erratic; fresh seed germinates best. Cold stratification improves germination rates significantly.

The above propagation data sourced from Claude AI

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

Source: Ontario Rock Garden & Hardy Plant Society