Euthamia graminifolia (Flat-Topped Goldenrod)

A confirmed juglone-tolerant goldenrod, flat-topped goldenrod combines aggressive, reliable colonization of moist-to-dry sites with exceptional pollinator range - long- and short-tongued bees, wasps, flies, butterflies, moths, and beetles all visit its blooms.

Species Overview

Euthamia graminifolia is a perennial herbaceous plant native to North America, commonly found in meadows, wetlands, and along roadsides. It grows 2 to 4 feet tall and produces clusters of small, bright yellow flowers from late summer into fall. Its narrow, grass-like leaves give it a fine texture that contrasts beautifully with other wildflowers, and the foliage emits a scent when crushed.

Application

• Erosion control on moist to dry sites, including roadsides and wetland margins
• Wildlife gardens and pollinator meadows - broad pollinator appeal
• Sites near black walnut, given confirmed juglone tolerance
• Coastal gardens and butterfly gardens

Growing Conditions / Specification Data

• Light: Full Sun
• Soil/Moisture Tolerance: Moist to dry soils; tolerant of poor, gravelly, sandy soils; strongly acidic to mildly alkaline
• Drought Tolerance: High - once established
• Flood Tolerance: Moderate - A moist meadow and wetland-margin goldenrod relative tolerant of periodically wet soil.
• Growth Rate: Rapid - spreads aggressively by rhizome to form colonies
• Plant Type: Forb
• Mature Height: 2-4 ft.
• Fall Color: Insignificant/None
• Bloom Color / Period: Yellow; August-October
• Wetland Indicator Status: FAC (Facultative)
• Native Range: Quebec to Maryland, west to North Dakota, Kansas, and rarely Oklahoma
• Hydrology: Mesic-Moist
• Root Depth: Shallow (Under 12 in.)
• Salinity Tolerance: Low
• Shade Tolerance: Intermediate
• Growth Habit: Spreading - rhizomatous
• USDA Hardiness Zones: 3-8
• Deer Resistance: No (Frequently Damaged)
• Pollinator Value: Supports bees, supports butterflies, supports moths
• Juglone Tolerance: Tolerant

Planting Guidance

• Space plants 12-18 in. on center; spreads rapidly by rhizome and may not be suitable for small landscape plantings without management.