I never bothered to measure them but there are great specimens at the Arnold Arboretum. It was the Arnold that was part of the expedition that re-introduced these plants to the world. I beleive the original specimens are just outside the main gates.
On Mar 2, 10:57 pm, Randy Brown <[email protected]> wrote: > Geez, they must like a little wetter climate. The biggest one I've > seen in ohio is one planted in a wet draw at Dawes arboretum. It's ~ > 4' dia at the base and get it's top snapped off in a storm ~ 3 years > ago. It was maybe 40-50' tall at the time and probably lost ~15' of > height. You can see it's trying to recover: > > Picture 3.png > 686KViewDownload > > Picture 6.png > 646KViewDownload > > > > The same storm snapped ~1' dia walnut in half. At its base was a > commemorative plaque were the planter mused about the impermanence of > even trees (circa 1930). Rather cruel irony there.... > > On Mar 2, 2009, at 7:15 PM, pabigtrees wrote: > > > > > > > ENTS > > > As part of my new part time job, measuring the 5000 trees at Longwood > > Gardens, I had the oppurtunity to remeasure the tallest recorded > > exotic species. Just a couple of years ago this tree was over 125' > > causing Will Blozan to honor it with it's title. Now in 2009 the tree > > is 131.2' It grows down by a lake in competition with 140 class Tulip > > Poplars. The Metasequoia or Dawn Redwood was only brought to the > > states in the 1940's. So reaching 130 in 62 years is incredible. The > > mature specimens in the Arboreta on the east coast that were planted > > in the 40's are sending off seedlings at a high rate. I counted 22 > > under this one tree. Dawn redwood was native to the US many millions > > of years ago from the fossil record, and it appears to be excited to > > be back! The Morris Arboretum has a specimen that was measured with a > > clinometer at 130' in 2005. I have asked them to remeasure with their > > new laser, as they and Longwood have accepted the ENTS method. I can > > only imagine what this species will bring for height records in the > > next 10 years. With a usual growth rate of 3' per year, we could have > > 160' trees or more if they can keep it up. > > > 10.9 x 131.2 > > > Scott > > > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ Eastern Native Tree Society http://www.nativetreesociety.org Send email to [email protected] Visit this group at http://groups.google.com/group/entstrees?hl=en -~----------~----~----~----~------~----~------~--~---
