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-   -   Too late to severely cut back budlea davidii?? (https://www.gardenbanter.co.uk/united-kingdom/67638-too-late-severely-cut-back-budlea-davidii.html)

Nick Maclaren 01-07-2004 03:07 AM

Too late to severely cut back budlea davidii??
 
In article ,
Kay wrote:

Hmm. I'm trying to get my head around that. Buddleia davidii flowers
late (August or so by memory - certainly no signs of flowers yet).
Therefore, rather than the rule of thumb 'prune just after flowering',
it's better to prune in spring. I usually tidy mine up in autumn and
prune right back early in the year. At least I think that's what I do!
So if spring pruning is OK, why would winter 'pruning' by frost damage
flowering at all? Or are you saying that if your flowering period is
earlier, so that you can prune after flowering and still get in some
growth that season, *and* that growth survives over winter, then you
will get flowers even earlier the following year?


Yes.

My comment was specifically against cutting it RIGHT back to 1'. This
often has the effect of making it put a lot of effort into reshooting,
whereupon ALL of its younger growth might be killed, leaving only
very old growth alive. That will at least set it back severely and
perhaps kill it - yes, even buddleia.

Pruning it moderately would lead to a more modest shooting and, if
that were all killed, there would still be some middle-aged growth
for it to reshoot from.

The point is that cutting right back to very old growth is a major
shock. Not a problem. But, if the plant then busts a gut to
regrow and THEN is cut back again, it is a pretty rough treatment.
That is why the books recommend waiting until spring for such
extreme pruning.


Regards,
Nick Maclaren.

Jane Ransom 01-07-2004 03:13 AM

Too late to severely cut back budlea davidii??
 
In article , Nick Maclaren
writes
I would be chary of cutting
a buddleia back to 1' now.

So would I - for a start you would cut off all the flowering branches
and end up with no flowers :(((((((
--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Jane Ransom 01-07-2004 03:13 AM

Too late to severely cut back budlea davidii??
 
In article , Kay
writes
Therefore, rather than the rule of thumb 'prune just after flowering',


Kay, this applies only to those shrubs that flower before the end of May
- not to all per se!

ie if it flowers before the end of May it is flowering on growth it made
in the last growing season therefore you want to encourage as much new
growth this year for flowers to form next year so you prune it directly
after flowering. eg ribes and weigela.

Conversely, if it flowers after the end of May it is flowering on growth
it has made in the current growing season. In this case you want to
encourage as much new growth this year as you can so you prune it in
early spring. eg buddleia davidii.

--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Nick Maclaren 01-07-2004 05:09 AM

Too late to severely cut back budlea davidii??
 
In article ,
Kay wrote:

Hmm. I'm trying to get my head around that. Buddleia davidii flowers
late (August or so by memory - certainly no signs of flowers yet).
Therefore, rather than the rule of thumb 'prune just after flowering',
it's better to prune in spring. I usually tidy mine up in autumn and
prune right back early in the year. At least I think that's what I do!
So if spring pruning is OK, why would winter 'pruning' by frost damage
flowering at all? Or are you saying that if your flowering period is
earlier, so that you can prune after flowering and still get in some
growth that season, *and* that growth survives over winter, then you
will get flowers even earlier the following year?


Yes.

My comment was specifically against cutting it RIGHT back to 1'. This
often has the effect of making it put a lot of effort into reshooting,
whereupon ALL of its younger growth might be killed, leaving only
very old growth alive. That will at least set it back severely and
perhaps kill it - yes, even buddleia.

Pruning it moderately would lead to a more modest shooting and, if
that were all killed, there would still be some middle-aged growth
for it to reshoot from.

The point is that cutting right back to very old growth is a major
shock. Not a problem. But, if the plant then busts a gut to
regrow and THEN is cut back again, it is a pretty rough treatment.
That is why the books recommend waiting until spring for such
extreme pruning.


Regards,
Nick Maclaren.

Jane Ransom 01-07-2004 05:14 AM

Too late to severely cut back budlea davidii??
 
In article , Nick Maclaren
writes
I would be chary of cutting
a buddleia back to 1' now.

So would I - for a start you would cut off all the flowering branches
and end up with no flowers :(((((((
--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Jane Ransom 01-07-2004 05:14 AM

Too late to severely cut back budlea davidii??
 
In article , Kay
writes
Therefore, rather than the rule of thumb 'prune just after flowering',


Kay, this applies only to those shrubs that flower before the end of May
- not to all per se!

ie if it flowers before the end of May it is flowering on growth it made
in the last growing season therefore you want to encourage as much new
growth this year for flowers to form next year so you prune it directly
after flowering. eg ribes and weigela.

Conversely, if it flowers after the end of May it is flowering on growth
it has made in the current growing season. In this case you want to
encourage as much new growth this year as you can so you prune it in
early spring. eg buddleia davidii.

--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Nick Maclaren 01-07-2004 06:06 AM

Too late to severely cut back budlea davidii??
 
In article ,
Kay wrote:

Hmm. I'm trying to get my head around that. Buddleia davidii flowers
late (August or so by memory - certainly no signs of flowers yet).
Therefore, rather than the rule of thumb 'prune just after flowering',
it's better to prune in spring. I usually tidy mine up in autumn and
prune right back early in the year. At least I think that's what I do!
So if spring pruning is OK, why would winter 'pruning' by frost damage
flowering at all? Or are you saying that if your flowering period is
earlier, so that you can prune after flowering and still get in some
growth that season, *and* that growth survives over winter, then you
will get flowers even earlier the following year?


Yes.

My comment was specifically against cutting it RIGHT back to 1'. This
often has the effect of making it put a lot of effort into reshooting,
whereupon ALL of its younger growth might be killed, leaving only
very old growth alive. That will at least set it back severely and
perhaps kill it - yes, even buddleia.

Pruning it moderately would lead to a more modest shooting and, if
that were all killed, there would still be some middle-aged growth
for it to reshoot from.

The point is that cutting right back to very old growth is a major
shock. Not a problem. But, if the plant then busts a gut to
regrow and THEN is cut back again, it is a pretty rough treatment.
That is why the books recommend waiting until spring for such
extreme pruning.


Regards,
Nick Maclaren.

Jane Ransom 01-07-2004 06:12 AM

Too late to severely cut back budlea davidii??
 
In article , Nick Maclaren
writes
I would be chary of cutting
a buddleia back to 1' now.

So would I - for a start you would cut off all the flowering branches
and end up with no flowers :(((((((
--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Jane Ransom 01-07-2004 06:12 AM

Too late to severely cut back budlea davidii??
 
In article , Kay
writes
Therefore, rather than the rule of thumb 'prune just after flowering',


Kay, this applies only to those shrubs that flower before the end of May
- not to all per se!

ie if it flowers before the end of May it is flowering on growth it made
in the last growing season therefore you want to encourage as much new
growth this year for flowers to form next year so you prune it directly
after flowering. eg ribes and weigela.

Conversely, if it flowers after the end of May it is flowering on growth
it has made in the current growing season. In this case you want to
encourage as much new growth this year as you can so you prune it in
early spring. eg buddleia davidii.

--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Nick Maclaren 01-07-2004 07:05 AM

Too late to severely cut back budlea davidii??
 
In article ,
Kay wrote:

Hmm. I'm trying to get my head around that. Buddleia davidii flowers
late (August or so by memory - certainly no signs of flowers yet).
Therefore, rather than the rule of thumb 'prune just after flowering',
it's better to prune in spring. I usually tidy mine up in autumn and
prune right back early in the year. At least I think that's what I do!
So if spring pruning is OK, why would winter 'pruning' by frost damage
flowering at all? Or are you saying that if your flowering period is
earlier, so that you can prune after flowering and still get in some
growth that season, *and* that growth survives over winter, then you
will get flowers even earlier the following year?


Yes.

My comment was specifically against cutting it RIGHT back to 1'. This
often has the effect of making it put a lot of effort into reshooting,
whereupon ALL of its younger growth might be killed, leaving only
very old growth alive. That will at least set it back severely and
perhaps kill it - yes, even buddleia.

Pruning it moderately would lead to a more modest shooting and, if
that were all killed, there would still be some middle-aged growth
for it to reshoot from.

The point is that cutting right back to very old growth is a major
shock. Not a problem. But, if the plant then busts a gut to
regrow and THEN is cut back again, it is a pretty rough treatment.
That is why the books recommend waiting until spring for such
extreme pruning.


Regards,
Nick Maclaren.

Jane Ransom 01-07-2004 07:11 AM

Too late to severely cut back budlea davidii??
 
In article , Nick Maclaren
writes
I would be chary of cutting
a buddleia back to 1' now.

So would I - for a start you would cut off all the flowering branches
and end up with no flowers :(((((((
--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Jane Ransom 01-07-2004 07:11 AM

Too late to severely cut back budlea davidii??
 
In article , Kay
writes
Therefore, rather than the rule of thumb 'prune just after flowering',


Kay, this applies only to those shrubs that flower before the end of May
- not to all per se!

ie if it flowers before the end of May it is flowering on growth it made
in the last growing season therefore you want to encourage as much new
growth this year for flowers to form next year so you prune it directly
after flowering. eg ribes and weigela.

Conversely, if it flowers after the end of May it is flowering on growth
it has made in the current growing season. In this case you want to
encourage as much new growth this year as you can so you prune it in
early spring. eg buddleia davidii.

--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Nick Maclaren 01-07-2004 08:07 AM

Too late to severely cut back budlea davidii??
 
In article ,
Kay wrote:

Hmm. I'm trying to get my head around that. Buddleia davidii flowers
late (August or so by memory - certainly no signs of flowers yet).
Therefore, rather than the rule of thumb 'prune just after flowering',
it's better to prune in spring. I usually tidy mine up in autumn and
prune right back early in the year. At least I think that's what I do!
So if spring pruning is OK, why would winter 'pruning' by frost damage
flowering at all? Or are you saying that if your flowering period is
earlier, so that you can prune after flowering and still get in some
growth that season, *and* that growth survives over winter, then you
will get flowers even earlier the following year?


Yes.

My comment was specifically against cutting it RIGHT back to 1'. This
often has the effect of making it put a lot of effort into reshooting,
whereupon ALL of its younger growth might be killed, leaving only
very old growth alive. That will at least set it back severely and
perhaps kill it - yes, even buddleia.

Pruning it moderately would lead to a more modest shooting and, if
that were all killed, there would still be some middle-aged growth
for it to reshoot from.

The point is that cutting right back to very old growth is a major
shock. Not a problem. But, if the plant then busts a gut to
regrow and THEN is cut back again, it is a pretty rough treatment.
That is why the books recommend waiting until spring for such
extreme pruning.


Regards,
Nick Maclaren.

Jane Ransom 01-07-2004 08:13 AM

Too late to severely cut back budlea davidii??
 
In article , Nick Maclaren
writes
I would be chary of cutting
a buddleia back to 1' now.

So would I - for a start you would cut off all the flowering branches
and end up with no flowers :(((((((
--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see



Jane Ransom 01-07-2004 08:13 AM

Too late to severely cut back budlea davidii??
 
In article , Kay
writes
Therefore, rather than the rule of thumb 'prune just after flowering',


Kay, this applies only to those shrubs that flower before the end of May
- not to all per se!

ie if it flowers before the end of May it is flowering on growth it made
in the last growing season therefore you want to encourage as much new
growth this year for flowers to form next year so you prune it directly
after flowering. eg ribes and weigela.

Conversely, if it flowers after the end of May it is flowering on growth
it has made in the current growing season. In this case you want to
encourage as much new growth this year as you can so you prune it in
early spring. eg buddleia davidii.

--
Jane Ransom in Lancaster.
I won't respond to private emails that are on topic for urg
but if you need to email me for any other reason, put ransoms
at jandg dot demon dot co dot uk where you see




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