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Treefern issue

Hi all,
Just joined so this is my first post!
I have two treeferns in pots, approximately 2ft tall. I wrap them each year with garden fleeces to protect the crowns from frost damage, however, in the last cold snap one of them took a bit of a beating and has only just made it out the other side, it did manage to produce one frond. I’ve been peering excitedly into the crown all summer and have been feeding (Tree fern focus) and watering him, but no sign of new growth (The other one is looking lovely!).
Any advise on how to get him looking lovely again would be greatly appreciated!
Just joined so this is my first post!
I have two treeferns in pots, approximately 2ft tall. I wrap them each year with garden fleeces to protect the crowns from frost damage, however, in the last cold snap one of them took a bit of a beating and has only just made it out the other side, it did manage to produce one frond. I’ve been peering excitedly into the crown all summer and have been feeding (Tree fern focus) and watering him, but no sign of new growth (The other one is looking lovely!).
Any advise on how to get him looking lovely again would be greatly appreciated!
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Afraid we've had a spam attack which will get sorted soon. I don't grow tree ferns but others do ... I'll try to make sure your query doesn't get lost in the spam and that you get some answers soon
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
I think you just need to be patient. I'd not go crazy with the feed though. I'd say "stressed" plants need water, but not feeding. IMHO.
Good luck with it and keep us posted.
I'd agree with Hosta though - feeding is probably not a good idea if any plant is struggling.
I live in west central Scotland - not where that photo is...
Will hold back on the feed for now.
Hope the spam attack gets sorted...
Agree with others, don't feed whilst sick.
When you don't even know who's in the team
S.Yorkshire/Derbyshire border
Lets approach this from a different tangent ; your problem sounds remarkably like mine a few years ago .
I had a 4' Dicksonia in a very large pot for a number of years (and I mean very large), when for no apparent reason it stopped growing , apart from one diminutive frond .
No amount of water (rainwater preferred) would induce any more growth .
Removing it laboriously from its pot , the entire root system was 100% potbound , to a degree which seriously restricted water absorption .
Solution :- I prised off nearly all of the old congested roots almost to the trunk using two heavy duty garden forks ; it resembled coconut matting ! Most of the 'trunk' is actually root anyway , so this does not have a detrimental impact on the plant at all .
Deciding to adopt a change of policy , I planted it in the open garden , affording the relative shelter of nearby shrubs and trees .
The fresh new growth was in absolute contrast to the former ; 6' fronds tip to tip .
It has never looked back since being free of the 'bonsai' effect of the pot ; it stands unprotected throughout the winter months , and showed little regard for the 'Beasts from the East' which struck us in March this year .
Regular (daily) soaking of the surrounding soil , trunk and fronds is very beneficial ; my soil is a moist , neutral pH fairly free-draining loam (old orchards apparently probably hence the neutral/acid readings on the meter . No feeding necessary .
As the above posts state , dappled shade is preferable to full sun , although mine used to tolerate it .
Good luck !
PS Am in E.Lincs , not a sheltered spot on the Scilly Isles !