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Tropical Fruit Discussion / Re: Want to do Jackfruit right this time...
« on: June 30, 2018, 03:10:03 PM »
I would say fertilising isyour problem. I致e only ever watered jackfruit seedlings and they all grow big and strong !
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I'm the Dan Rob mentioned. Happy to share scions come summerMy new place is like 2 mins from the army barracks. I値l have to meet your mate ! I want to know as many growers in the area as possible.
I'm actually slightly more inland than you but a little north (Greenbank). My place is warmer than BOM would have you believe, but still cold for that hour before the sun comes up (the weather station must be in a less favourable micro climate). My Jacks do fine but you do have the frost trap issue Rob talked about. A good friend of mine lives near the army base there and grows jacks among a bunch of other stuff. He certainly gets colder than me though and actually has frost of consequence. He makes good use of some canopy protection for smaller trees. I'm not sure how his more tropical stuff is looking this time of the year.
Really matters how long it痴 cold for too.I知 moving to Witheren, next to Canungra and they have got a couple of days last week at 0 and -1 I believe. But only for like an hour. I think the average low is around 7or 8 c. Like you said, I値l just have to protect my chempedek and other sensitive trees on the freak cold days.
The list above is accurate here it seems. I get frost here but have a cempedak halfway through its second winter with only a barrier for protection. Jackfruit are fine.
The frost forms only at ground level, the air temp never really drops below 3 at its absolute coldest. Those temperatures are also only for an hour or so and days are warm. The above trees are still growing (slowly) even now in mid winter.
How cold?
http://rfcarchives.org.au/Next/CaringForTrees/MinTemps3-88.htm
http://rfcarchives.org.au/Next/CaringForTrees/FruitsForAreas9-83.htm
http://stfc.org.au/frost-by-steve-symonds
The fruit tree for areas is pretty conservative, with good site selection most of the trees listed for Rockhampton will go well in northern nsw. If you want to grow them for 20 plus years and never worry about cold protection it would be reasonable to follow. Coolangatta area already saw 1.5c this year.
Duranbah/terranora were at 8c on the same night.
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Wow!! 1.5 at Coolangatta, I知 moving out near Canungra mid July and wondering what of my collection will handle the temps in winter. I値l prob have a massive greenhouse by next winter though.