Canada Goldenrod, Common Goldenrod
Kingdom: Plantae, Division: Angiosperms, Class: Eudicots, Order: Asterales, Family: Asteraceae, Genus: Solidago, Species: Solidago canadensis · Asteraceae (Sunflower/Daisy family) · Simple, deciduous
Species
Solidago canadensis
Leaf Type
Simple, deciduous
Family
Asteraceae (Sunflower/Daisy family)
Shape
Lanceolate to linear-lanceolate, tapering at both ends
Size
2-5 inches long, 0.2-0.8 inches wide; larger at the base, becoming smaller as they ascend the stem
Margin
Serrate (toothed), particularly on the upper half of the leaf; lower leaves more prominently toothed
Arrangement
Alternate, sessile (lacking a significant stalk) or with a very short petiole
Rarity
Very Common; widely distributed and often dominant in its native range
Color & Pattern
Medium to bright green above, slightly paler beneath with no variegation; turns yellow or brown in autumn
Venation Pattern
Pinnate with three prominent longitudinal veins (tri-nerved) appearing near the base
Texture & Surface
Rough or scabrous above, often pubescent (hairy) along the veins on the underside
Description
A perennial herbaceous plant known for its golden-yellow flower panicles. The stems are usually unbranched except at the inflorescence, reaching up to 6 feet tall. The leaves are numerous and crowded along the stem.
Key Features
Three-veined leaf pattern, serrated lanceolate leaves, hairy stems on the upper portion, and alternate leaf arrangement.
Habitat
Open fields, meadows, prairies, roadsides, and disturbed areas; thrives in full sun and various soil types
Geographic Range
Native to North America from Alaska to Florida; widely naturalized in Europe and Asia where it is often invasive
Condition Notes
Excellent; the foliage appears vibrant green with minimal insect herbivory or fungal spotting. A firefly is visible on a leaf, indicating a healthy local ecosystem.
Interesting Facts
Despite common belief, goldenrod is rarely the cause of hay fever; its pollen is too heavy to be wind-blown. It is often blamed for the allergies caused by Ragweed, which blooms at the same time.
Medicinal & Uses
Historically used by Native Americans as a wash for bee stings and in tea for fevers. Modern use includes landscaping for pollinator gardens and as a source of yellow dye.
Ecological Role
Extremely high wildlife value; provides nectar for hundreds of species of bees, butterflies, and wasps. Host plant for various gall-forming insects.
Similar Species
Solidago gigantea (Giant Goldenrod) has smooth stems; Solidago altissima (Tall Goldenrod) has more pubescent leaves and slightly larger flower heads.
Foraging Tips
Look for the three-veined leaf pattern in early summer before the iconic yellow plumes appear. The young leaves and flower heads can be used for tea.
Toxicity Warning
Non-toxic to humans; however, it can be toxic to horses and livestock if consumed in extremely large quantities due to certain secondary metabolites.