Though not as well-known than some of its goldenrod cousins, grass-leaved goldenrod is a pretty native wildflower with excellent garden adaptability. Growing from spreading rhizomes, this perennial forms a clump of upright stems topped with flat clusters of small bright golden yellow flowers from mid-summer to early autumn.
This plant’s common name refers to its narrow, deep green foliage, which adds to its casual charm. Grass-leaved goldenrod has a wide native area and will grow well in a range of soil types and moisture levels. A cheery bloomer, it adds color to a variety of settings, from formal perennial beds to shoreline restoration plantings.
Common name: Grass-leaved goldenrod or flat-topped goldenrod
Botanical name: Euthamia graminifolia
Plant type: Perennial
Zones: 3 to 8
Height: 2 to 4 feet
• Sun: Full sun or partial shade
• Soil: Tolerant of most soil types
• Moisture: Moderately moist to moderately dry; drought-resistant once established
• Mulch: None, or 1 to 2 inches fine-textured organic mulch
• Pruning: None
• Fertilizer: None, or a light application of compost in spring
Pests and diseases
• No serious problems
• Its informal habit and tolerance of moist-to-dry soil makes grass-leaved goldenrod a great choice for meadow plantings and rain gardens.
• Grass-leaved goldenrod is a valuable source of nectar for butterflies and bees.
• As with all goldenrods, its pollen is heavy and carried by insects, not blown in the wind, so it doesn’t cause hay fever (the fine, wind-borne pollen of ragweed is usually the real culprit).
All in the family
• Grass-leaved goldenrod is a member of the aster family (Asteraceae), one of the largest families in the plant kingdom.
• The flowers of aster family members are actually composed of separate ray flowers (the ring of “petals”) and disc flowers (the center of the flower).
• Familiar members of the aster family include sunflowers, asters, coneflowers, daisies and chrysanthemums.
• Euthamia is very closely related to Solidago, the goldenrod genus.
Where to buy
• Morning Sky Greenery, morningskygreenery.com
• Toadshade Wildflower Farm, toadshade.com