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#1
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irises - digging up and replanting
I've a little patch of irises which have been fine for a few years but
the weeds growing between them have become almost impossible to control so I resolved to dig the whole lot up (I realise this might be a bit late in the season) and replant. A lot of the rhizomes have broken off a developing plant. See pic:- http://dl.dropbox.com/u/10508583/im%201.jpg -should these simply be discarded or do they have a future for a new plant? Here is a pic of a new devloping iris. http://dl.dropbox.com/u/10508583/im%202.jpg I noted in one youtube video the presenter trimmed the long roots quite short. Is their any advantage in doing that? I have quite a few of these http://dl.dropbox.com/u/10508583/im%203.jpg - which are tiny and without any rhizome to speak of. Do these normally survive being dug up and replanted? Many thanks if anyone can offer some advice... |
#2
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irises - digging up and replanting
"bob" wrote... I've a little patch of irises which have been fine for a few years but the weeds growing between them have become almost impossible to control so I resolved to dig the whole lot up (I realise this might be a bit late in the season) and replant. A lot of the rhizomes have broken off a developing plant. See pic:- http://dl.dropbox.com/u/10508583/im%201.jpg -should these simply be discarded or do they have a future for a new plant? Throw those all away. Here is a pic of a new devloping iris. http://dl.dropbox.com/u/10508583/im%202.jpg I noted in one youtube video the presenter trimmed the long roots quite short. Is their any advantage in doing that? Trim off all the old rhizome with a sharp knife, that's the dark bits without viable roots I have quite a few of these http://dl.dropbox.com/u/10508583/im%203.jpg - which are tiny and without any rhizome to speak of. Do these normally survive being dug up and replanted? Yes they do normally survive as long as you keep the slugs off. I often pot bits like that up until the spring by which time they are usually romping away. It's always a good idea to dig up and replant every 3 years, throwing away all the weak and old stuff. Best done about 2 months after flowering so they can get established before the worst of the winter. That said I have to dig mine all up on the allotment this winter and move them. :-( -- Regards Bob Hobden W.of London. UK |
#3
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irises - digging up and replanting
On Tue, 12 Oct 2010 17:39:33 +0100, "Bob Hobden"
wrote: "bob" wrote... I've a little patch of irises which have been fine for a few years but the weeds growing between them have become almost impossible to control so I resolved to dig the whole lot up (I realise this might be a bit late in the season) and replant. A lot of the rhizomes have broken off a developing plant. See pic:- http://dl.dropbox.com/u/10508583/im%201.jpg -should these simply be discarded or do they have a future for a new plant? Throw those all away. Here is a pic of a new devloping iris. http://dl.dropbox.com/u/10508583/im%202.jpg I noted in one youtube video the presenter trimmed the long roots quite short. Is their any advantage in doing that? Trim off all the old rhizome with a sharp knife, that's the dark bits without viable roots I have quite a few of these http://dl.dropbox.com/u/10508583/im%203.jpg - which are tiny and without any rhizome to speak of. Do these normally survive being dug up and replanted? Yes they do normally survive as long as you keep the slugs off. I often pot bits like that up until the spring by which time they are usually romping away. It's always a good idea to dig up and replant every 3 years, throwing away all the weak and old stuff. Best done about 2 months after flowering so they can get established before the worst of the winter. That said I have to dig mine all up on the allotment this winter and move them. :-( I'm most grateful for the above - thanks so much! If you've the time, I've a couple more questions.. ....Roughly what kind of spacing would you recommend when replanting? ....on the assumption that I end up with a surplus, how long do you think these will survive before replanting? I'd like to give some to a friend and as a channel-crossing foot passenger I'd prefer to travel light, just chuck them into a bag rather than having to carry pots of soil they've been planted in. I'm thinking in a week or two. Is there a risk of them drying out? |
#4
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irises - digging up and replanting
"bob" wrote ((SNIP)) If you've the time, I've a couple more questions.. ...Roughly what kind of spacing would you recommend when replanting? I normally give them about two feet but then I plant two or three at a time at each station. ...on the assumption that I end up with a surplus, how long do you think these will survive before replanting? I'd like to give some to a friend and as a channel-crossing foot passenger I'd prefer to travel light, just chuck them into a bag rather than having to carry pots of soil they've been planted in. I'm thinking in a week or two. Is there a risk of them drying out? Personally I would not try to keep them unplanted for so long. Perhaps a couple of days at most. Can you not plant them somewhere else for a while? Anyway, to transport them dig them up, clean them of soil, cut the leaves down by a half and wrap the plants in damp paper ensuring the roots are covered, that's how they are sent out by specialist nurseries. The person the other end needs to plant or pot them up asap. When I have received plants like that I pot them up until the next spring so I can give them some TLC for a few months because my experience of planting them straight out in the garden is not good. -- Regards Bob Hobden W.of London. UK |
#5
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irises - digging up and replanting
On Tue, 12 Oct 2010 22:39:19 +0100, "Bob Hobden"
wrote: "bob" wrote ((SNIP)) If you've the time, I've a couple more questions.. ...Roughly what kind of spacing would you recommend when replanting? I normally give them about two feet but then I plant two or three at a time at each station. ...on the assumption that I end up with a surplus, how long do you think these will survive before replanting? I'd like to give some to a friend and as a channel-crossing foot passenger I'd prefer to travel light, just chuck them into a bag rather than having to carry pots of soil they've been planted in. I'm thinking in a week or two. Is there a risk of them drying out? Personally I would not try to keep them unplanted for so long. Perhaps a couple of days at most. Can you not plant them somewhere else for a while? Yes, I'll find a temporary spot. Anyway, to transport them dig them up, clean them of soil, cut the leaves down by a half and wrap the plants in damp paper ensuring the roots are covered, that's how they are sent out by specialist nurseries. The person the other end needs to plant or pot them up asap. When I have received plants like that I pot them up until the next spring so I can give them some TLC for a few months because my experience of planting them straight out in the garden is not good. ... what sort of TLC? |
#6
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irises - digging up and replanting
"bob" wrote ... "Bob Hobden" wrote: Anyway, to transport them dig them up, clean them of soil, cut the leaves down by a half and wrap the plants in damp paper ensuring the roots are covered, that's how they are sent out by specialist nurseries. The person the other end needs to plant or pot them up asap. When I have received plants like that I pot them up until the next spring so I can give them some TLC for a few months because my experience of planting them straight out in the garden is not good. .. what sort of TLC? Pot them in good quality potting compost and keep them in a protected spot away from the worst of the winter weather and protected from slugs. -- Regards Bob Hobden W.of London. UK |
#7
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irises - digging up and replanting
On Wed, 13 Oct 2010 17:33:08 +0100, "Bob Hobden"
wrote: "bob" wrote ... "Bob Hobden" wrote: Anyway, to transport them dig them up, clean them of soil, cut the leaves down by a half and wrap the plants in damp paper ensuring the roots are covered, that's how they are sent out by specialist nurseries. The person the other end needs to plant or pot them up asap. When I have received plants like that I pot them up until the next spring so I can give them some TLC for a few months because my experience of planting them straight out in the garden is not good. .. what sort of TLC? Pot them in good quality potting compost and keep them in a protected spot away from the worst of the winter weather and protected from slugs. thanks again - much obliged for all of this. |
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