Yarrow

Achillea ageratifolia

Native to:
Albania, Bulgaria, Greece, NW. Balkan Pen.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Achillea
Species:
Achillea ageratifolia
USDA Symbol:
ACAG

Growth Characteristics

Height:
20 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug
Bloom Colors:
white
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:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily at 15-20°C with light exposure. Surface sow and keep moist but not waterlogged.

The above propagation data sourced from Claude AI

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).

Source: Ontario Rock Garden & Hardy Plant Society