Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Geraniaceae

Genus:

Geranium

Species:

Geranium thunbergii

USDA Symbol:

GETH3

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

50 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jul,aug,sep,oct

Bloom Colors:

pink, white

Ground Cover:

Yes

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Fall Color:

red, orange

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

good drainage required

Moisture:

consistently moist

Notes:

Prefers shaded or semi-shaded areas

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–28 days

Notes:

Seeds germinate best with light exposure and consistent moisture after cold stratification.

The above propagation data sourced from Claude AI