This is a unique flower on a unique plant.This peony is known as an intersectional, which is a cross between a tree and a herbaceous peony. It will grow in full sun, or 5-6 hours of sun, in well-drained soil.The flowers are large, yellow, 7-8 inches in diameter, with a sweet fragrance. It is a fast growing plant, growing to about 32 inches tall and spreading.