Three of the prints in the As Potent as a Charm exhibit will feature common landscape plants (see perilous plantings for line drawings) who keep their toxicity well hidden. The proof print above is of a Rhododendron in A Deceptive Welcome.
The block in progress shows the ubiquitous Yew, Taxus baccata, in Pleasant Valley; Oleander, Nerium oleander, guards the gate in Be Still.