Wollemi Pine question
thefof Zone 8/9 UK
4 years ago
last modified: 4 years ago
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floral_uk z.8/9 SW UK
4 years agothefof Zone 8/9 UK
4 years agoRelated Discussions
wollemi pine photo
Comments (8)Yes. They claim it can survive down to -12C, but it won't look pretty afterwards. I took mine inside (a coldhouse) when outside temp reached -2C because it started getting brownish. So -15 is definitely out. I have it in a large pot and it grows fine albeit a little slower than it would when not being in a pot. /Hans Olav...See MoreWollemi Pine
Comments (18)Novaplantguy, I do not know which nursery the earlier poster referred to, but the Ironmongers imported these plants several years ago and were propagating and selling them in Southern CA. I had thought they were planning on returning to Australia but perhaps I misunderstood. Anyway the signature line on a recent email, dated 31 Oct 2010, from them posted on a Cycad site came from the email address listed below: Bruce & Suzi Ironmonger The Cycad Center Cycads, Brachychitons and Wollemi Pines PO Box 754 Bonsall CA 92003 (760) 723-8092 cycadcenter@msn.com I am not sure I would spend the money for one of these plants to be grown unprotected in VA, but if you are willing to put the effort into protecting the plant you may want to try contacting them. Mike McG near Brenham TX...See MoreWollemi pine
Comments (2)Thank you for your update and close-up. I'm glad to see the close up. I do remember your previous post. We are having a taste of autumn. Even though it's mostly sunny, the overnight and high temperature is 10 degrees C. Brrrrrrrr....See MoreWollemi Pine Q's
Comments (27)Tony, yes you are right, however, population size doesnt provide a greater insight into the reasoning of a restricted occurence, it only illustrates that the refuge is slightly larger for that species. I have thought for a while that the three variables water, fire and competition all act independently and codependently to account for the biogeography in Australian plants. These variables be they a result of Aboriginal or natural climate change they have a massive bearing on species occurences and associated speciation. Wollemia would undoubtedly be suited to the highlands of the Wet Tropics however previous climatic deterioration has led to the demise of Nothofagus and the main element of temperate rainforests 'Eucryphia' is only represented by a single population on one mountain peak (which happens to be the highest in the Wet Tropics). Reiterating, Wollemia would grow in the current days climate as it is cool and wet however the competition from large mesophyll species would undoubtedly bump it out of the habitat. I once grow a Nothofagus cunninghamii in the lowlands of NE NSW where it grew amazingly well attaining a height of 2m in less than 2 years. I planted it in the ground where it quickly died due to a lack of water. This suggests that this species is restricted to sthn Vic and Tas because of milder lower evaporation rates and constant moisture. In the warmer subtropics it is unlikley to control is stomata as efficiently as required and thus it looses water to quickly. A friend has a N .cunninghamii growing well in a wetter site than where I planted mine- thus bolstering my presumption that it isnt temperature its water availability that restricts this species to sth locations. Nothofagus moorei is only common in locations where the forests leaf size is reduced to Notophyll and is wet AND the species only recruits following disturbance and freedom from the notophyll saplings/trees. Thus I think that all three variables are at play and possibly if fire wasnt an element of Australian landscapes that competition is more so a determinate than water. Wollemia has small leaves and thus competition with larger leaved species has undoubtedly resulted in its restricted occurence too, as well as fire because Eucalypts are so common in this area now. Maybe it has become restricted to this locality during a really bad climate deterioration event however hasnt been able to escape and re-expand due to the advance of Eucalypts and associated fire-phylic habitats. Now Im rambling.... From Kris...See Morethefof Zone 8/9 UK
4 years ago
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