Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Achillea

Species:

Achillea grandifolia

USDA Symbol:

ACGR12

Growth Characteristics

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

white

Keystone Species Ranking

Pollen Specialist Bee Keystone:

★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, beneficial insects

Deer Resistant:

Yes

Fragrant:

Yes

Soil Requirements

Soil Type:

well-drained, moderately fertile loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to rocky and open areas

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–28 days

Notes:

Seeds require light for germination. Surface sow and do not cover.

The above propagation data sourced from Claude AI