Litchi, more often spelled lychee around here, grows on a trees too my knowledge that gets up 25'. I'm not sure they produce in the first few years or not either. The fruit is delicious. Be sure to consume it when it it's ripe though. Unripe lychee is claimed to be toxic.I am trying litchi this year. Relative of tomatoes, but supposed to taste similar to cherries to the point you could make a pie with them. They are supposed to get tall and have thorns, so I’m hoping I can keep them in the run in pots (caged initially til they get big enough). They are from Baker Creek/rareseeds.