Tall Goldenrod

Solidago altissima · Perennial, C3-like broadleaf herbaceous plant often grouped with field forbs/wildflowers in pasture ecosystems

AI-generated identification · may be incorrect
Tall Goldenrod

Grass Category

Native Prairie/Wildflower and Pasture Forb

Hardiness Zones

USDA Hardiness Zones 3 through 9

Grass Family

Asteraceae, subfamily Asteroideae

Variety / Cultivar

Wild type

About This Grass

An upright, herbaceous perennial standing 2 to 7 feet tall with bright yellow, plume-like or pyramidal panicle seed heads composed of numerous small flower heads blooming in late summer and autumn.

Blade Characteristics

Leaves are alternate, lanceolate, sharply toothed or entire, rough-textured, grayish-green, measuring 2 to 6 inches long with three prominent parallel veins.

Root System

Aggressive and extensive rhizomatous root system that allows it to form dense colonies, providing excellent soil stabilization.

Growing Information

Origin Region

Native to North America, widely distributed across the United States and Canada

Growth Habit

Rhizomatous, forming dense clonal colonies

Sunlight & Water Needs

Prefers full sun to partial shade; moderate moisture requirements with good drought tolerance once established.

Mowing & Maintenance

Low maintenance when grown as a native plant; can be controlled by mowing or grazing in pasture settings.

Special Characteristics

High ecological value for pollinators, good erosion control on slopes, moderate drought tolerance, and competitive against other weeds.

Ecological Information

Vital late-season nectar and pollen source for native bees, butterflies, and other beneficial insects; often found along roadsides, fence lines, and old fields.

Identified on 9/21/2026