The popular perennial spinach good king henry (Chenopodium bonus-henricus) is pretty difficult to germinate. Under Making sense of wild seeds I found how hard some fellow perennial vegetable gardeners have worked to eek out nothing but empty pots of this plant. In my own experience, a hundred seeds will likely yield as high as twenty, and as low as one or two seedlings.
When I established this plant in Mortal Tree, I hoped the seed would suit itself, and sprout on its own. I’d transplant whatever appeared. Such serendipitous propagation eluded me for years, until last year, when I moved them.
Next to the patch this year, I was ecstatic to see a moderately thick patch of the sprouts!
This is a southwest facing slope, but has a small windbreak of plants in front of it. The bed is in its second year. The grass mulch I laid to start it still covers the ground. We also had an extremely mild winter. In general, I think this plant likes really temperate conditions, prefering cool over heat, moisture over dryness.
I hope this conjures some images in your mind of areas in your garden that might suit this plant. It really is quite a nice perennial vegetable. I call it, The better broccoli, for its delicious flower buds. With seeds growing themselves now, I plan on having a lot more of this food in the very near future.