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| Does anyone grow this tree in zones 5-6? I am looking specifically for information about the late blooming selections 'Rose Lantern' and 'September' in terms of hardiness and performance. I have read a few mixed reports about their winter hardiness. Also, does anyone in these zones have trouble with this plant becoming invasive in their area? Thanks, |
Follow-Up Postings:
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- Posted by greenthumbzdude 6 PA (My Page) on Wed, Jan 16, 13 at 14:46
| there is one growing on my University's campus in zone 6b. Its out in the open with no protection. Its doing well, its not invasive but then again its surrounded by lawn that gets cut every week or so. I heard its only invasive in the south. |
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| Koelreuteria paniculata. Mixed experience in northern WV. Had one a number of year ago that got clobbered by a late spring freeze. It did not recover. Another (grown from seed) is still growing after 20+ years. Interesting small tree. Very open structure here. Have not seen any serious invasiveness although the species does seem to sprout readily from seed. I am not familiar with named selections. |
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| Guy Sternberg has a very nice specimen growing at his aboretum in central Illinois (NW of Springfield). I'm not sure of its age, but it is mature and has obviously withstood some very cold winters. |
Here is a link that might be useful: Starhill Forest
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| Thank you so much to everyone who replied. It looks like Koelreuteria is not a common tree in my zone, so I will be something of a trailblazer, lol! Hopefully it will thrive and bloom for me. Thanks again, |
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- Posted by ilovemytrees 6a Western NY (My Page) on Mon, Jan 28, 13 at 17:22
| I have a Golden Raintree in my 5b/6a (the past month it feels like a 4a) zone. I actually have 4 of them in my yard, but I'm giving 3 away in a couple months. I don't have the space for all of them. They're sticks right now, technically called whips.. They're wrapped up head to toe in white tree wrapping with red outdoor tape holding it all up. They look really cute. They seem to love it here. They grew a few feet after I planted them last March, and they are SO wind tolerant. They're freaks of nature in that department. Oh and no one around here has this tree. That's a fact. I love that too. |
This post was edited by ilovemytrees on Mon, Jan 28, 13 at 17:30
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| We have some here in 5b but I can't say they look so good, although our climate is much different here than there. |
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| I just started a batch of K. paniculata seed. I was reading up on it in Dirr's woody plants manual and he describes concern over reseeding/possible invasiveness of K. bipinnata (based on observation of seedlings in waste places in Georgia), but not K. paniculata. |
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| There are reports of K. paniculata being invasive in one county in the far south of Illinois, very far removed from Chicago. I contacted the Chicago Botanic Garden to ask for their input and they told me they have heard of no reports of invasiveness in my area. Thank you all again for sharing your experiences with this intriguing species. It looks like it may be only borderline hardy in my area, but I am still willing to give my 'Rose Lantern' a try! Hopefully my location in an urban heat island and my proximity to Lake Michigan will help to give it a fighting chance. It will be a such a treat to have a flowering small tree in late summer, especially if the flowers are also attractive to bees and other pollinating insects. |
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| Golden raintree has been tough as nails here through drought and having to deal with high pH soils, even back in the 80's when we had several zone 5 winters. The only drawback around here is their attractiveness to boxelder bugs. They don't like overly wet soils either, especially in clay. hortster |
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| Greenthumb, yes, this is **horribly** invasive here in the South! My next door neighbor has a couple of them, and about 40% of my weeding is seedlings from that tree. Someone asked me for a seedling recently, and I wouldn't dig one up for her because they're so invasive. That said, I do like the size, shape, and the blooms. But it's something I would never plant. |
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