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Collinsonia canadensis

Family Labiatae
Plant Type herbaceous perennial
Zone USDA:   4a - 8b   RHS:   H   EGF:   H1 - H4   Australia:   1 - 2  
Care Level low, easy, suitable for beginners.
Height 0.6 - 1.2 m (2 - 4 ft)
Spread 30 - 90 cm (1 - 3 ft)
Light partial shade
Soil Moisture average, well-drained
Soil Type clay to sandy
Soil pH neutral to alkaline

Description The herbaceous perennial Collinsonia canadensis (Canada horsebalm) bears showy, pastel yellow and fragrant flowers during late summer to early autumn. The foliage is greyish green in colour and aromatic.
Typical Uses Naturalization, wild flower and woodland.
Cautions Be advised that Collinsonia canadensis (Canada horsebalm) may be invasive where conditions are favourable. In such cases it will require maintenance to keep it under control.