Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Malvaceae

Genus:

Sidalcea

Species:

Sidalcea robusta

USDA Symbol:

SIRO2

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

200 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

may,jun,jul,aug

Bloom Colors:

pink, lavender

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Soil Requirements

Soil Type:

well-drained, sandy loam

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to open, rocky slopes

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–30 days

Notes:

Seeds benefit from cold stratification. Light may improve germination rates.

The above propagation data sourced from Claude AI