Grafting Avocados and Where to Find Rootstock for Grafting

[swincher]

I don’t know what the range of possible prices are, but I went with twin wall polycarbonate for mine, which was more expensive than some options, and I kind of regret that because my contractor didn’t seal them properly so the panels have all filled with algae already. Here was the thread for my greenhouse:

Greenhouse project planning

I’m in the earliest planning stages for my summer/fall goal of building a greenhouse before next winter, and I’ve been mightily struggling with deciding which of three possible locations I should choose. So, I’m crowdsourcing an answer… First off, it’s not going to be too large, my goal is to have it be just large enough for one or two avocado “frankentrees,” grafted with all the cold-hardiest varieties I can get my hands on, as well as ~15-20 small seedlings in 5-gal pots (I’ll give each seedl…

I think for avocados in zone 7+, a simple hoop house with plastic sheeting would be plenty of protection if you can use emergency space heaters during bad freezes. In zone 6 you may want to at least use double later plastic sheeting with air blown in between to improve the insulation.