Asclepias viridis Nierembergia we agree with Carl that

we agree with Carl that it is an exceptionally floriferous hybrid of Habranthus robustus

but recent DNA testing showed it actually is Asparagus cochinchinensis

we have seen no burning in our trials

Asarum nobilissimum

This unique Kojima strain of hardy calanthe orchids (Calanthe discolor x Calanthe sieboldii x Calanthe aristulifera x Calanthe tricarinata) produces flowers that are white to cream

Asclepias viridis Nierembergia we agree with Carl thatAsclepias viridis is a US prairie native (Ohio south to Florida and west to Texas), that makes a superb garden perennial. For us, green antelope horn milkweed forms a 2' tall x 2' wide clumping specimen with thick outward leaning stalks. The terminal flower heads start for us in early May with a cluster of green buds that open to reveal green petals that hold the symmetrically arranged purple stamens. Asclepias viridis is very similar to Asclepias