Canada Goldenrod
Solidago canadensis
An herbaceous perennial plant featuring upright stems with lance-shaped leaves and dense, branching clusters of bright yellow flower heads at the top.
- Light
- Full sun, requiring at least 6 hours of direct sunlight per day.
- Water
- Moderate watering needs. Water deeply when the top few inches of soil feel dry. Mature plants show good resilience during short dry spells.
- Growth
- Herbaceous perennial growing via rhizomes, reaching mature heights of 2 to 5 feet with an upright, clump-forming habit.
Care instructions
Grow in full sun and well-draining soil. Water regularly during establishment, but mature plants tolerate occasional dry periods. Avoid heavy fertilization as it encourages weak, floppy stems.
Growing details
Sunlight
Full sun, requiring at least 6 hours of direct sunlight per day.
Watering
Moderate watering needs. Water deeply when the top few inches of soil feel dry. Mature plants show good resilience during short dry spells.
Soil
Adaptable to various soil types including clay, loam, or sandy soils, provided drainage is adequate. Prefers neutral to slightly acidic pH.
Hardiness zone
USDA zones 3 through 9.
Growth habit
Herbaceous perennial growing via rhizomes, reaching mature heights of 2 to 5 feet with an upright, clump-forming habit.
Bloom season
Blooms from mid-summer through autumn, producing vibrant yellow plume-like flower clusters.
Propagation
Easily propagated through division of established root clumps in spring or by sowing seeds directly in the ground after the final frost.
Common pests & issues
Generally resilient, though powdery mildew may occur in humid conditions with poor air circulation. Manage by spacing plants adequately.
Similar species
Often confused with ragweed, though goldenrod has bright yellow showy flower plumes and smooth leaves, whereas ragweed has inconspicuous greenish flowers and lobed leaves.