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Tropical Fruit Discussion / Re: Dragon Fruit thread.
« on: September 20, 2015, 03:39:37 AM »Yes, there's an age factor for a particular segment to flower. Current season's growth cannot flower. It's not hardened and has not built up on nutrients and other stuff(hormones). 2nd to 4th year old growth have the highest chance of flowering. It declines with age as well, which is why growers trim off older segments from the umbrella shape. The shape makes it easier to prune: just cut back to the center.I have to disagree with the " current seasons growth cannot flower" theory. I am able to get a lot of my early season growth to flower on most plants every season. It's possible to get them to flower by letting the earlier growth reach a decent size and then break the tip off to allow the entire branch to thicken up and harden off. I'm not saying you will get masses of flowers but I'm sure you will get some if your season is long enough.
I have one white fleshed plant in a 1 gal pot for 5 years and it's not flowered, so age is just one of several factors I think. Another 2nd year Arizona Purple segment flowered and fruited right after I cut it and put it in a 1 gal pot. That's what Rob is talking about with the cellular age.