At the Northwest Perennial Alliance’s Study Weekend in 2018, Jimi Blake’s slide of this plant reminded me of seeing this plant growing in the San Francisco Botanic Garden in Golden Gate Park. It was a standout and prompted me to immediately start looking for it. Annie’s Annuals carries it and I discovered that it was a zn 9b plant, cooling my ardor somewhat…still…..I returned a couple years later to the Botanic Garden, rekindled my interest and made a stop at Annie’s on our return trip to home, but it wasn’t available, so it went back to my wish list. Then Jimi’s presentation at the Seattle Study Weekend moved it up in the queue.
I am most familiar with the species of Sonchus that are weeds. I have pulled more than my share of Annual and Prickly Sow Thistle, Sonchus oleraceus and S. asper, but like many genera Sonchus contains several plants of horticultural merit. Most Sonchus are annual species, a few are perennial and fewer still are ‘woody’ species all of which occur on the Canary Islands alone, like Sonchus palmensis. Continue reading