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#1
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Hydrangea
Why did my Hydrangea stop blooming? It gets about 4ft high, nice and green
but "no blooms" anymore. Pat |
#2
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Hydrangea
Jangchub wrote:
On Sat, 30 Aug 2008 23:20:42 GMT, "PAT AYMAR" wrote: Why did my Hydrangea stop blooming? It gets about 4ft high, nice and green but "no blooms" anymore. They bloom once a year. Unless they bloom all summer like the fairly new variety Endless Summer does. -- Pardon my spam deterrent; send email to Visit my Rhododendron and Azalea web pages at: http://rhodyman.net/rahome.html Also visit the Rhododendron and Azalea Bookstore at: http://rhodyman.net/rabooks.html Cheers, Steve Henning in Reading, PA USA Zone 6 |
#3
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Hydrangea
Stephen Henning wrote:
Jangchub wrote: On Sat, 30 Aug 2008 23:20:42 GMT, "PAT AYMAR" wrote: Why did my Hydrangea stop blooming? It gets about 4ft high, nice and green but "no blooms" anymore. They bloom once a year. Unless they bloom all summer like the fairly new variety Endless Summer does. Does it really live up to blooming all summer or is that just hype? -- Sheila http://swdalton.com |
#4
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Hydrangea
Sheila wrote:
Does it really live up to blooming all summer or is that just hype? Almost. It first blooms on old wood and then blooms on new wood. There is a gap where it is between old and new wood. Mine do well here in Zone 6. I have heard some complaints from colder zones. Endless Summer is a brand name and not a variety, since they have an entire series of Endless Summer hydrangeas. -- Pardon my spam deterrent; send email to Visit my Rhododendron and Azalea web pages at: http://rhodyman.net/rahome.html Also visit the Rhododendron and Azalea Bookstore at: http://rhodyman.net/rabooks.html Cheers, Steve Henning in Reading, PA USA Zone 6 |
#5
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Hydrangea
Stephen Henning wrote:
Sheila wrote: Does it really live up to blooming all summer or is that just hype? Almost. It first blooms on old wood and then blooms on new wood. There is a gap where it is between old and new wood. Mine do well here in Zone 6. I have heard some complaints from colder zones. Endless Summer is a brand name and not a variety, since they have an entire series of Endless Summer hydrangeas. Thanks Stephen, I've tried the Endless Summer but the deer ate them before they bloomed. We're putting 6 strand wire up around the back then I'll plan some more next spring. -- Sheila http://swdalton.com |
#6
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Hydrangea
On Sun, 31 Aug 2008 08:36:44 -0500, Jangchub
wrote: On Sun, 31 Aug 2008 00:46:39 -0400, Stephen Henning wrote: Sheila wrote: Does it really live up to blooming all summer or is that just hype? Almost. It first blooms on old wood and then blooms on new wood. There is a gap where it is between old and new wood. Mine do well here in Zone 6. I have heard some complaints from colder zones. Endless Summer is a brand name and not a variety, since they have an entire series of Endless Summer hydrangeas. Thanks for the distinction. What color do you have? The only hydrangeas which truly do well here are oak leaf hydrangeas which are native. http://gotbodhicitta-wangmo.blogspot.com/ Security is not what I have, it's what I can do without,,, My Hydrangea has been blooming sine May. I persuaded my sister to give me the "hot house" hydrangea, since I know she would eventually kill it. It grew from a potted plant to one 4 feet wide, 4 feet high. Before freezing weather, I wrap it up in chicken wire and fill with leaves until the last spring frost date. In zone 7. |
#7
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Hydrangea
The hydrangea is about 10yrs old. This is the first year it hasn't bloomed
at all. I never cut it down or prune it. Should I have? Pat |
#8
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Hydrangea
On Sun, 31 Aug 2008 20:48:02 GMT, "PAT" wrote:
The hydrangea is about 10yrs old. This is the first year it hasn't bloomed at all. I never cut it down or prune it. Should I have? Pat Probably not. Hydrangeas bloom on old growth so I just prune a stray branch or two to even up the symmetry. Sometimes plants may take a year of resting from bloom, and often results in more intense blooming the following year. |
#9
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Hydrangea
Thank's Jangchub, Great site.
The warm up before spring here in PA. just might have been the problem. I will mulch this winter and see what happens next year. Pat |
#10
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Hydrangea
In article ,
Jangchub wrote: On Sun, 31 Aug 2008 00:46:39 -0400, Stephen Henning wrote: Sheila wrote: Does it really live up to blooming all summer or is that just hype? Almost. It first blooms on old wood and then blooms on new wood. There is a gap where it is between old and new wood. Mine do well here in Zone 6. I have heard some complaints from colder zones. Endless Summer is a brand name and not a variety, since they have an entire series of Endless Summer hydrangeas. Thanks for the distinction. What color do you have? The only hydrangeas which truly do well here are oak leaf hydrangeas which are native. http://gotbodhicitta-wangmo.blogspot.com/ Security is not what I have, it's what I can do without,,, I have had an Endless Summer hydrangea in Austin TX for the last two years. I have a blue one that is slowly turning pink. It has indeed bloomed all summer. Both years. However it wants entirely too much water and I will probably not get another. Next year it is going to have a lot less water and we will see how it does. Cea |
#11
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Hydrangea
In article ,
Sheila wrote: Stephen Henning wrote: Sheila wrote: Does it really live up to blooming all summer or is that just hype? Almost. It first blooms on old wood and then blooms on new wood. There is a gap where it is between old and new wood. Mine do well here in Zone 6. I have heard some complaints from colder zones. Endless Summer is a brand name and not a variety, since they have an entire series of Endless Summer hydrangeas. Thanks Stephen, I've tried the Endless Summer but the deer ate them before they bloomed. We're putting 6 strand wire up around the back then I'll plan some more next spring. Mine is in a wet area with underground springs and has deer fencing around it. It is pink. It is near some rhododendrons and azaleas, so I can't add aluminum sulfate. Aluminum will eventually kill some plants like rhododendrons and azaleas. It takes both aluminum and acid soil to make most of the blue/pink hydrangeas turn blue. The acid soil I have, but not the aluminum. I also have oak leaf, lace cap hydrangeas, regular mop-head hydranageas and the Endless Summer. The oak leaf hydrangea will have to be cut back. -- Pardon my spam deterrent; send email to Visit my Rhododendron and Azalea web pages at: http://rhodyman.net/rahome.html Also visit the Rhododendron and Azalea Bookstore at: http://rhodyman.net/rabooks.html Cheers, Steve Henning in Reading, PA USA Zone 6 |
#12
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Hydrangea
Stephen Henning wrote:
In article , Sheila wrote: Stephen Henning wrote: Sheila wrote: Does it really live up to blooming all summer or is that just hype? Almost. It first blooms on old wood and then blooms on new wood. There is a gap where it is between old and new wood. Mine do well here in Zone 6. I have heard some complaints from colder zones. Endless Summer is a brand name and not a variety, since they have an entire series of Endless Summer hydrangeas. Thanks Stephen, I've tried the Endless Summer but the deer ate them before they bloomed. We're putting 6 strand wire up around the back then I'll plan some more next spring. Mine is in a wet area with underground springs and has deer fencing around it. It is pink. It is near some rhododendrons and azaleas, so I can't add aluminum sulfate. Aluminum will eventually kill some plants like rhododendrons and azaleas. It takes both aluminum and acid soil to make most of the blue/pink hydrangeas turn blue. The acid soil I have, but not the aluminum. I also have oak leaf, lace cap hydrangeas, regular mop-head hydranageas and the Endless Summer. The oak leaf hydrangea will have to be cut back. Last place I lived I had lacecaps that we cut back every year after they bloomed, also had mopheads. My oak leaf hydrangea did not do so well, but maybe it had too much shade. Looking forward to next spring to planting roses and hydrangeas -- Sheila http://swdalton.com |
#13
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Hydrangea
On Aug 30, 6:20*pm, "PAT AYMAR" wrote:
Why did myHydrangeastop blooming? It gets about 4ft high, nice and green but "no blooms" anymore. Pat Hello, Pat. There are several possibilities to consider when a hydrangea does not bloom. Here is a list with suggestions on what to do. Sorry that the information is so long. * Pruning: Pruning at the wrong time is a very common problem but, since you have not pruned the plant, it is not the cause of your problem. I provide the information just for future reference. Hydrangeas that bloom on old wood (many macrophyllas and all oakleafs, for example) develop flower buds during the months of August- September. This is a process that starts in the Fall when temperatures start going down into the 60s. To prevent cutting off the flower buds for Spring, all pruning should be done after blooming but before August. Hydrangeas that bloom on new wood (paniculatas and arborescens are an example) develop flower buds in Spring. The only time that you should not prune these is when they are about to bloom and it is just for practical reasons (you want to see the blooms, right?). Hydrangeas that bloom on old or new wood (new macrophyllas like the Endless Summer Series, Forever & Ever Series, Let's Dance Series, etc), develop flower buds during the months of August-September. And then they develop more flower buds in late Spring. If you live south enough, you may get a third set of blooms in late Summer or early Fall. These should not be pruned when they are about to bloom. Deadheading promotes new blooms so feel free to deadhead during the growing season. When hydrangeas get more than 5 years old, they tend to produce less and smaller blooms. To revitalize plants when they do this, prune about 1/3 of the older (living) stems down to the ground on summer #1. Do the next third on summer #2 and do the last third of summer #3. * Weather: Mother Nature can be fickle and all of these things can kill your flower buds.... If a hydrangea is planted out of zone, it will never, or hardly ever, bloom... although it will probably have very nice green leaves. The cold temperatures and the cold drying winds of winter may either kill the flower buds or/and the stems on which the flower buds grow. An example of this would be to plant a hydrangea rated for USDA Zones 7-9 in Zone 6. You know you have this problem when the hydrangea always grows back from the ground every Spring instead of leafing out. Winter- protection techniques will aid. And so will planting varieties that bloom on new wood. Paniculatas do well in this environment and so do selected macrophyllas that bloom in old and new wood. Hydrangeas can also suffer from sporadic weather issues even if planted on the proper zone. For example: (a) If you get an early frost in the Fall, the plant's flower buds can be killed, especially if the plant is not dormant yet. Fertilizing once in June if you live in the northern states will help (hydrangeas need very little food). Stopping all fertilization in August-September will also help; it makes the plants go dormant in time for Winter. You can use manure or cottonseed meal as fertilizers. So, try to stop all fertilizing and pruning before August in order to harden any new stems and flower buds before winter. (b) If you get a late frost in the Spring, the plant's flower buds can also be killed. Using winter protection techniques will help prevent this. Removing the winter protection techniques at the right time will also help. Unfortunately, no one really knows what "the right time" is. You can find your average last frost date (local nurseries can help) and add 2 weeks to that date (or add whatever amount of time you prefer). But some times, a late frost comes really late and you loose many or all blooms. Once these buds are lost, you will not get new ones until next year. The exception is if you have remontant varieties like the Endless Summer Series, etc. So this could be what happened to you. It happened to me in Zone 8 several years ago. Temperatures were in the 70s through December and then the bottom fell; we suddendly had freezing sub-temperatures for almost 5 days in a row. If you have not used winter protection techniques in prior years, it is possible that something weather related killed the flower buds this past winter. You can add winter protection techniques going forward or do nothing if it does not happen often. Maintain 3-4" of any type of acidic mulch past the plant's drip line. This helps conserve soil moisture and protects the plant roots. If your plant has lots of small stems because of pruning or simply because it has, consider adding more mulch after the plant has gone dormant and the leaves have dried out. Maybe 6-10 inches, perhaps? Then in Spring, you can remove the mulch down to 3-4"; use the extra mulch elsewhere in the garden or add to the compost pile if you have one. *Soil Moistu Try to maintain constant soil moisture, especially from August until the plant goes dormant. Lack of sufficient moisture from August until blooming time can cause the plant to abort the flower buds. During warm and dry winters when the ground does not freeze, water once every two weeks. *Fertilizing: Hydrangeas fed an excessive amount of nitrogen-rich fertilizer(s) will bloom very little or not at all. Some people encourage use of this type of fertilizer to increase bloomage but hydrangeas do not need that much fertilizer and paniculatas, in particular, can even be grown without fertilization assuming you have good soil. Since your comments indicate that you live in the northern half of the country, one application of fertilizers like manure or cottonseed meal should suffice; you can do this in June. A general purpose slow-release chemical fertilizer with a NPK Ratio around 10-10-10 can also be used. *Sunlight: Hydrangeas planted in really dense shade may flower poorly or not at all. If your plants are not getting any direct sun, consider if the amount of indirect sun is enough. I have some hydrangeas in the front of the house that are always on the edge of the house's shadow but, being at the edge, they get lots of reflected light and have no problems blooming. Finally, planting other varieties is an extreme solution that you can consider as well if the cause of the problem is weather related. The Endless Summer Series, Forever & Ever Series, Let's Dance Series, etc, for example, are very popular in the northern half of the country because they bloom on old and new wood. The plants develop flower buds in August-September, just as other macrophyllas do. But then they develop new blooms again in late Spring. With these plants, if Mother Nature kills the blooms during winter, new blooms arise in late Spring. I hope that gives you clues as to what could have happened and what can you do, Pat. Luis |
#14
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Hydrangeas that blossom on old or new copse , advance annual buds during the months of August-September. And then they advance added annual buds in backward Spring. If you reside south enough, you may get a third set of blooms in backward Summer or early Fall. These should not be pruned if they are about to bloom.
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