Apparently they even cultivate species that aren't dioecious naturally to become so :) https://www.theguardian.com/environment/2020/may/16/how-urban-planners-pr

Apparently they even cultivate species that aren't dioecious naturally to become so :) https://www.theguardian.com/environment/2020/may/16/how-urban-planners-preference-for-male-trees-has-made-your-hay-fever-worse https://www.theguardian.com/environment/2020/may/16/how-urba... And of course some species are cloned because it faster and cheaper, so then female saplings aren't a problem. You clone what has higher demand. > I would imagine that we can actually do a lot to accelerate the process of trees spreading over an area. Yes I was a little facetious. I don't actually plan to persuade people not to have kids or not to do gardening. But when I see people gathering millions of dollars to use drones to plant trees I can't help but think it's focusing on the wrong (but cool) part of the problem.