Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Geraniaceae

Genus:

Geranium

Species:

Geranium maderense

USDA Symbol:

GEMA11

Growth Characteristics

Height:

150 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun,jul

Bloom Colors:

pink, magenta, purple

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:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to rocky, volcanic slopes

Propagation & Germination

Stratification:

None required

Germination Time:

14–28 days

Notes:

Seeds germinate readily at 15-20°C. Fresh seed germinates best; older seed may have reduced viability.

The above propagation data sourced from Claude AI