Yarrow
Achillea ageratifolia
- Native to:
- Albania, Bulgaria, Greece, NW. Balkan Pen.
Ghislain118 http://www.fleurs-des-montagnes.net (www.fleurs-des-montagnes.net)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Achillea
- Species:
- Achillea ageratifolia
- USDA Symbol:
- ACAG
Growth Characteristics
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white, yellow
- Ground Cover:
- Yes
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to mountainous regions, prefers rocky substrates
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best with cold stratification for 4-6 weeks, then surface sow at 18-21°C.
ORGHPS Germination Guide: Sow @ 20C. If no germination in 3 months, try 4C 1-2 months, then 20C again. Requires light / surface sow (fine seed).