Low-growing yarrow (6–12") that forms a perennial mat. Hardy, long-blooming perennial that supports pollinators and tolerates drought. Excellent for weed suppression, pollinator forage, and pathways. From the Yaak valley region of Montana.
Range: North America; widespread (selected variety from Northern Rockies); open sitesWildlife & Pollinators: Native bees; butterflies; beneficial insects
Germination Code ADirect sow in fall or spring. Winter sow.
Packs cover 1 or 5 sq ft.
Achillea millefolium var. ‘yaak’, Yaak Yarrow seed
Germination Codes Explained
A: No special treatment needed; sow in warm soil.
B: Hot water treatment to break hard coats, or can be scarified (nicked/rubbed).
C(#): Cold, moist stratification (like winter) for # days; sow in fall or mimic by refrigerating seeds.
D: Warm-then-cold or alternating cycles; mimics double dormancy.
E: Cannot dry out; sow immediately in moist conditions.
F: Two years to germinate; sow outside in fall for second-year sprouting.
G (or 7): Soak large seeds overnight in water.
H (or 6): Scarification (abrade seed coat) before planting.
C (Light): Surface sow, needs light to germinate.
1: Needs darkness.
2: Needs light/surface sow.