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Somewhat related but those citrus weren’t grown in a greenhouse. The farmers found that if they grow their citrus underground then they could simply cover them
by ed25519FUUU 4y ago
Somewhat related but those citrus weren’t grown in a greenhouse.
The farmers found that if they grow their citrus underground then they could simply cover them up in the winter and keep them alive until spring.
- julienchastang 4y agoNote that they hardened those citrus trees over many generations by gradually moving them north. While they were able to produce oranges, etc., I believe it became economically inviable over the course of the 20th C. What I wonder about is if any of those citrus varieties still exist today?
- ed25519FUUU 4y agoI know that the rootstock they commonly use for many citrus in the USA (Flying Dragon) is hardy down to nearly subzero Fahrenheit but the fruit doesn’t taste very good!