Bloody Geranium

Geranium sanguineum

Native to:
Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Czechia-Slovakia, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Krym, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Geraniaceae
Genus:
Geranium
Species:
Geranium sanguineum
USDA Symbol:
GESA2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
45 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul,aug
Bloom Colors:
magenta, pink, purple
Ground Cover:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

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

Host Plant for Caterpillars

Brown-tail moth (Euproctis chrysorrhoea)

Reported Fauna Sightings

Bees: Yellow head bumble bee (Bombus flavifrons)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fall Color:
red, orange

Soil Requirements

Soil Type:
well-drained, sandy or rocky soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny areas in native habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Germination can be erratic; fresh seed germinates more readily. Light may improve germination rates.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 4C. Requires darkness.

Source: Ontario Rock Garden & Hardy Plant Society