... even as an annual? Do they produce?
Yes.Pl. Google to look for short season variety of pigeon seeds.Seeds have been developed to produce fruits (pigon pods) in less than 3 months.
I had grown short season varity of pigeon pea couple of years before in Maryland.I am posting a pic. of such pigeon pea plant from my file.
Pic. of short season pigeon plant.
I've been looking for P1 and there doesn't seem to be anything online about it except everyone saying it does what I want. But I can't find anyone who sells it. Actually, I can't find any research about it, either.
It should be called 'MPP'... the Mysterious Pigeon Pea.