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Old 07-13-2019, 08:28 PM
Location: Chapel Hill, N.C.
36,498 posts, read 45,497,620 times
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I think it would be good if Sweet Gums didn't live anywhere, north or south! Broke my ankle when I tripped on sweet gum balls! Real trash tree.
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Old 07-14-2019, 08:43 AM
Location: Floribama
15,872 posts, read 32,943,261 times
Reputation: 15143
Originally Posted by no kudzu View Post
I think it would be good if Sweet Gums didn't live anywhere, north or south! Broke my ankle when I tripped on sweet gum balls! Real trash tree.
The balls don’t bother me as much as those huge surface roots that send up sprouts everywhere.
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Old 07-18-2019, 07:59 PM
Location: ☀️ SWFL ⛱ 🌴
2,834 posts, read 1,936,692 times
Reputation: 10489
Live oaks are considered semi-deciduous, the new leaves emerging in spring push off the old leaves. I live in southwest FL and have to clean those small leaves from November to April a lot and while less the rest of the year, the leaves are always falling. They make great brown material for composting. I love that tree with its dangling Spanish moss.

Jacaranda with lovely purple flower clusters and Royal Poinciana with its glorious flame flower clusters are truly outstanding, graceful trees when in bloom. In the winter, they stand out because they are deciduous, loosing their leaves. In comparison to other trees that are green, they looked very unattractive for half the year.

This is a Royal Ponciana in our neighborhood, the flowers are slowly dropping off now. In the winter, it’s bare branches and quite stark. It’s a smaller one, they get quite wide.

How far south in the US can deciduous trees be grown?-48554668-d4b4-47cf-a5ed-863aa0af8493.jpeg
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Old 07-24-2019, 08:29 PM
Location: Phoenix, AZ
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Hey, I'm in Phoenix, Arizona and have several deciduous trees (USDA zone 9.)

I have two Gleditsia shade trees (honeylocust), several deciduous oaks (besides my evergreen live oak), crape myrtle (drops leaves for winter), Chinese pistache shade tree (good fall color), and some others (pomegranate drops leaves briefly--like for 2 months.)
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Old 07-26-2019, 07:36 PM
Status: "Forsythias have leaves!" (set 9 days ago)
Location: Putnam County, TN
857 posts, read 199,171 times
Reputation: 547
They can grow in almost all of the country.

Even in southern Florida, the extreme dryness of winter will cause deciduous trees to go dormant. Similarly, the mostly freeze-free (except Eureka northward still getting a few light frosts annually) Californian coast may still have deciduous trees go dormant, but due to the Mediterranean climate and year-round warm weather, it would probably be in summer instead of winter. Texas is in no places quite freeze-free (even though Brownsville is very close), and again, places near the edge of the tropics usually have a winter dry season unless the geography alters their weather patterns considerably.

However, I could imagine them having trouble in parts of Arizona, especially places in southwestern Arizona like Yuma, because conditions that are both warm year-round AND not alternately wet/dry will confuse them, causing them to not fruit, flower or reproduce properly if they can survive at all - quite similar to trying to grow them in the tropical rainforests, except it's always dry rather than always wet.

Although, I've always wondered more what happens to deciduous trees in a Mediterranean climate that freezes hard in winter (e.g. Tashkent, Uzbekistan, which is even less than the 36F winter isotherm the hardiest palms can naturalize in with proper summer conditions) or a continental "Mediterranean" climate like most of the non-arid parts of Idaho.
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