Northern horsebalm (Collinsonia canadensis), also known as richweed or stoneroot, blooms in mid or late summer to early fall, with branching, open clusters of small, yellow flowers over the large, toothed, rich green leaves. Both the flowers and foliage of this mint-family member have a pleasing lemony fragrance. It spreads moderately by rhizomes to form clumps that are generally reach 3 to 4 feet tall and wide. Native to the eastern half of the US. These seeds are from plants growing here in Bucks County, PA. Partial shade; average to moist soil. Perennial; Zones 4 to 8.
2022-collected seeds are sold out. I hope to collect again in August 2023. At least 15 seeds. PA ecotype. Shipping to US addresses only.
Please read the germination information as well before ordering.