More info about our plant sizes.
Please email us to confirm at-nursery availability of plants that are too big to ship.
Very pale, butter-yellow (the Swiss call them "butter balls"), semi-double, bowl-shaped flowers bloom from bronzed buds in late spring and early summer. Toothy, lobed, dark green leaves shine below. It's clumping, upright, and compact, and will tolerate somewhat heavy soils. In cooler climes it can take full sun if watered well.Minimum temperature: -30° F