Dicksonia Antarctica

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Amberforce
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Dicksonia Antarctica

Post by Amberforce » Sat Feb 25, 2012 1:23 pm

Hi Everyone.

Could anyone let me know when it is best to cut off last year's fronds from the Dicksonia Antarctica please? They are still green and look great but I didn't want them to inhibit this year's growth that is just starting to emerge.

Thanks a lot.


Tom2006
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Re: Dicksonia Antarctica

Post by Tom2006 » Sat Feb 25, 2012 1:53 pm

If they are still green they will still be photosynthesizing, especially as we move into March and April. This is give the plant added energy to grow its new fronds so leave them on for as long as you can. I will probably cut the worst of mine off mid May.
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Amberforce
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Re: Dicksonia Antarctica

Post by Amberforce » Sat Feb 25, 2012 1:55 pm

Thanks Tom that's brilliant!


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davidjonesUK
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Re: Dicksonia Antarctica

Post by davidjonesUK » Sat Feb 25, 2012 2:04 pm

Yerp along there with tom iv left all mine on on both tree ferns but one of them has started to discolour and gone all brown so iv cut them off, all the new fronds are ready to come out, cant wait :D
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Nathan
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Re: Dicksonia Antarctica

Post by Nathan » Sat Feb 25, 2012 2:10 pm

If your Dicksonia's fronds are still green & look great why would you want to cut them off at all? They wont inhibit any new growth, it will still send out a flush if it has last years fronds or not...
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Dave Brown
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Re: Dicksonia Antarctica

Post by Dave Brown » Sat Feb 25, 2012 2:49 pm

I've found when last year's green fronds are left on it gives the plant extra vigour and then does not only produce a spring flush, but continues to push out croziers through out the summer and early autumn. The one I've had the longest bought as a 1 foota, produces up to 40 fronds in a season, and at this rate puts on about 4" (10cm) of trunk a year. :wink:
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DaveP
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Re: Dicksonia Antarctica

Post by DaveP » Sat Feb 25, 2012 3:05 pm

I've got fronds still on mine from the year before last. although one or two are now starting to go brown. They will be cut when they are completely browned and not before. If any leaf on any plant is still green, it's doing some good and should not be cut off.
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Adrian
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Re: Dicksonia Antarctica

Post by Adrian » Sat Feb 25, 2012 9:29 pm

All of mine are brown but I'll leave them on for a bit yet just in case as they are providing a bit of protection to other stuff.
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Tom2006
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Re: Dicksonia Antarctica

Post by Tom2006 » Sat Feb 25, 2012 10:11 pm

Surprised to hear yours are all Brown Adrian. Do you protect it at all?
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Dave Brown
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Re: Dicksonia Antarctica

Post by Dave Brown » Sat Feb 25, 2012 11:13 pm

Adrian wrote:All of mine are brown but I'll leave them on for a bit yet just in case as they are providing a bit of protection to other stuff.
You are sheltered from wind Ade, and that allows more radiation frost. There is nearly always wind, or a breeze here, and that works in my favour until the breeze freezes, then it desicates everything :roll:
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Andy P
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Re: Dicksonia Antarctica

Post by Andy P » Sat Feb 25, 2012 11:35 pm

Most of the fronds on mine have turned brown even though i`ve had a very mild winter here. Probably had a minus 5 or 6 on a few occasions but only for a few hours. I cut about 6 or 7 of the worst ones off yesterday. Already noticed half a dozen knuckles on the verge of flushing so looks like i`ll get a very early flush this year. Just have to hope the frosts stay away now.
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