They've been doing well through the cool weather and have a nice, crisp delicious flavor raw.
Tree collards are also perennial, which makes them an excellent addition to food forests and long-term garden plans.
After seeing the following video, I took three cuttings and stuck them in another bed where they seem to be rooting.
The real trick will be getting them through the summer alive. Dan's tree collards in the video are very abundant, feeding both he and his chickens.
Since you can eat them raw and cooked, unlike my much-beloved chaya, I think they'd be a quite versatile addition, particularly since they'll also serve as rabbit and chicken fodder. The flavor is much like kale, without the coarseness of true collards.
If I can get them to grow well year-round, I'll write a survival plant profile on tree collards. I'd like to see how they do planted out in the food forest with nothing but rainfall to keep them watered.
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