Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Achillea

Species:

Achillea borealis var. californica

Growth Characteristics

Growth Habit:

Forb/herb

Height:

60 cm

Drought Tolerance:

High

Bloom Months:

may,jun,jul,aug,sep

Bloom Colors:

white, cream

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

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from root crown after fire. Common in post-fire chaparral regeneration.

Source: Claude claude-sonnet-4-5-20250929 Batch

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

7–21 days

Notes:

Light aids germination; sow on soil surface or barely cover. Prefers cool temperatures for germination.

Source: Claude claude-sonnet-4-5-20250929 Batch