On the left is an unknown Trichocereus-winter hardy for 4 winters. It appears allied to pasacana. On the right is the winter hardy southwestern native Zinnia grandiflora.

trichocereusaffpasacanaafter2wintersinsilverspringmdapril242004.jpg

It sits under a small house eve. It receives no other protection. It has endured down to ~7F



winterhardyzinniagrandifloraseventhofjune2004a.jpg

The Sedum is, I think, palmeri?? The succulent on the right is one of the winter hardy South African Mesems