Ruby Hart gold It is hardy to -10°

It is hardy to -10° F when protected from windchill

but make sure it has well-draining soil

but we love the lavender-pink blossoms that are each accented with an incredible red pattern on the dorsal petal

These erysimum actually do well in more of an alkaline soil

Ruby Hart gold It is hardy to -10°Ruby Hart features small luxuriously dark red clustered trusses against lovely shaped dark green leaves. This dwarf rhododendron is an excellent accent for your garden and blooms early mid season. Give full sun to partial shade. Hardy to 0F when protected from wind chill and grows to about 2' tall at maturity. Excellent for small growing spaces.