Cyrtanthus henryae William Penn Amsonia The clumps are topped with

The clumps are topped with 4' stalks of near white flowers in early summer

If you've never experienced a disturbed lower slope in situ

In late May (NC)

fairly brittle

Light shade to part sun and average to dry soils seem best

Cyrtanthus henryae William Penn Amsonia The clumps are topped withWe are pleased to share one of the late plant explorer, Mary Henry's amazing, hardy cyrtanthus hybrids. Cyrtanthus 'William Penn' has performed admirably in our garden since 2001, and deserves to be more widely known and grown. Cyrtanthus x henryae 'William Penn', a cross of Cyrtanthus mackenii x mackenii var. cooperi x Cyrtanthus sanguineus x sanguineus var. flammeus, was first published in 1950. For us, the bulbs on this unique amaryllid give rise