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 Post subject: Re: Gunnera
PostPosted: Sat Jun 29, 2013 6:28 am 
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Joined: Sat Oct 01, 2005 9:14 pm
Posts: 4384
Location: Carmichael, CA
Bamboo Society Membership: ABS - America
Really awesome plants JWH, wish I could grow them here.

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 Post subject: Re: Gunnera
PostPosted: Sat Jun 29, 2013 1:49 pm 
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Location: HALIFAX, NS
JWH - Meant to say re: split stems on Gunnera stems. We usually associate this with growth that is a little to fast and conditions a little too rich for said plant. Maybe you had a sudden heatwave just as it was bursting forth?

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 Post subject: Re: Gunnera
PostPosted: Sat Jun 29, 2013 6:47 pm 
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Joined: Sun Feb 24, 2013 1:56 am
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Location: Seabeck, Washington Zone 8b Elevation: 531 Feet
Thank you Needmore.

Thanks Johnw, that makes alot of sense. The temps here in early spring were ususually mild. The split stalks thankfully didn't topple over or snap in half with a gust of wind, and no splits in the last several leaves that have come up.


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 Post subject: Re: Gunnera
PostPosted: Sat Jun 29, 2013 7:35 pm 
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Location: HALIFAX, NS
I have never seen split stems on other plants ever snap or topple so obviously it doesn't affect their structure.

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 Post subject: Re: Gunnera
PostPosted: Mon Jul 01, 2013 1:10 am 
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Location: Seabeck, Washington Zone 8b Elevation: 531 Feet
This gunnera didn't tolerate the high heat (91f/33c) and low humidity (27%) today. looks like theres dead patches already forming on the leaves, and It's going to be even hotter with lower humidity for the next 2-3 days.

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 Post subject: Re: Gunnera
PostPosted: Sat Aug 17, 2013 1:55 am 
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Location: Seabeck, Washington Zone 8b Elevation: 531 Feet
Afternoon sun, near record heat, and drought have been hard on this Gunnera Tinctoria. I think I need to move it to a better spot.

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This Tinctoria planted under my Bambusoides has done great all summer.

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The main crown on my Gunnera Manicata has stopped putting up new leaves, and is growing several smaller lateral crowns.

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 Post subject: Re: Gunnera
PostPosted: Sun Oct 27, 2013 11:44 pm 
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Location: Seabeck, Washington Zone 8b Elevation: 531 Feet
The Gunneras have been put to bed for this year. A teepee made out of it's own leaves should be enough protection for now. More mulch will be added later in the winter, if needed.
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 Post subject: Re: Gunnera
PostPosted: Fri Feb 28, 2014 7:23 pm 
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Location: Seabeck, Washington Zone 8b Elevation: 531 Feet
Gunneras are growing again.

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 Post subject: Re: Gunnera
PostPosted: Wed Apr 16, 2014 5:56 am 
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Location: Seabeck, Washington Zone 8b Elevation: 531 Feet
Lots of growth in the last six weeks!
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Flower spikes are just barely visible inside the crown.
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 Post subject: Re: Gunnera
PostPosted: Mon Jun 02, 2014 3:31 am 
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Location: upstate NY zone 6B Location Details
Gunnera Tinctoria is surviving, but doesn't look very impressive after the main plant was killed, but with enough rainfall, these 3 plants should at least return to their former size.
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 Post subject: Re: Gunnera
PostPosted: Wed Sep 10, 2014 4:34 am 
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Location: upstate NY zone 6B Location Details
Here is my gunnera tinctoria from August 24 to Sept 7 showing how slow they can grow during the middle of summer. These plants tend to grow in the late spring, and then some more in the early fall especially when bulbs swell up, but don't like it during the summer even if it is well watered. I think it may need a greenhouse or drip irrigation to really thrive, but at least this plant survives for me.

before
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 Post subject: Re: Gunnera
PostPosted: Wed Sep 10, 2014 12:41 pm 
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Location: HALIFAX, NS
Steve - It wants to be cool sdo a greenhouse would be a disaster. Rich, rich soil, moist to wet in summer soil, mountains of mulch with compost and manure were the secret to success here.

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 Post subject: Re: Gunnera
PostPosted: Fri Oct 10, 2014 11:10 pm 
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Location: upstate NY zone 6B Location Details
I think heat in conjunction with too much sun can cause the roots to fry since it seems to dehydrate them real easily. I keep mine currently in very shady places, and they seem to be thriving. I expect some nice size to come back next year. One of mine is actually pretty big right now. Here are some recent pictures of both of them.

Bigger one
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Smaller one
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 Post subject: Re: Gunnera
PostPosted: Tue Oct 14, 2014 10:33 pm 
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Location: HALIFAX, NS
Here's a friend's Gunnera planted as a litre pot in Spring 2013. The siting is perfect with constant wet soggy ground, a bit more sun would have been better and made for a sturdier plant. They haven't applied manure, compost and other goodies, still the upsize is pretty good though won't continue if they don't start piling the organic matter to it.


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 Post subject: Re: Gunnera
PostPosted: Thu Oct 16, 2014 12:10 am 
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Joined: Sun Nov 23, 2008 9:15 pm
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Location: upstate NY zone 6B Location Details
One thing I've found about other people's gunnera, and not my own is the ability of stems to get super long. Mine will develop pretty big dark leaves, however the stems will never gain much length. Is this just due to soil conditions?

Mine are in very organic, rich soil too.

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