Botanical Name: Solidago rigida Aka Oligoneuron rigidum
Height: about 1 m
Bloom time: Late August into September
Growing Condition: Sun. Dry, well-drained soil – ours are doing fine in unimproved sand. Might be floppy in too rich soil.
Wildlife benefits: All the late blooming goldenrods are of enormous importance to pollinators. Read what Illinois Wildflowers says about Faunal Associations.
Origins: Species is native to Ontario. My seed is of garden provenance.
Seeds: Germination Code: C(60) + D. Surface sow seeds and give 60 days cold, moist stratification.
Remarks: Clump-forming, forming offsets with time. Easy. A handsome plant for the middle or back of a border. Flower clusters are shallow domes, not flat, and plants are taller than Ohio Goldenrod, and more drought tolerant.
Similar species: Ohio Goldenrod.