Avens

Geum × macneillii

Native to:
Canada

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Geum
Species:
Geum × macneillii
USDA Symbol:
GEMA12

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Low
Bloom Months:
may,jun,jul
Bloom Colors:
yellow

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Prefers cool, sheltered locations

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
21–42 days
Notes:
Seeds require cold stratification and light for germination. Germination can be erratic.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI