3,226 Garden Web Discussions | Dahlias

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sherrym(TNzone7)

I had EXACTLY the same problem. The center stem was mush, and smelled bad, too, right?

Since this is my first year with dahlias, I wasn't sure what to do, so my first step was to cut that stem out.

The next day, I went back and cut back the entire plant to the base, and culled it from the dahlia bed entirely. I replanted it in a very large pot, away from all other dahlias.

Yesterday, I noticed a small shoot coming up. I'm hoping the tuber is still good, as I didn't see any problem with it when I culled it.

Glad to know I'm not the only one. I've been trying to figure out what I did wrong. Do you have any ideas as to what causes this?

Sassy Stems

    Bookmark     August 1, 2005 at 4:34PM
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Poochella(7 WA)

I have no idea what it was, but it's bagged and in the garbage can. My guess: bacterial stem rot, or verticillium affliction. I didn't notice a terrible odor because I was weeping (at the loss of Pinelands Pet)and my nose was stuffy LOL! Kidding. It would take something tragic like Ivory Palaces to go before I really cried over a dahlia. Did get a little misty eyed over Bracken Ballerina succombing to rot though, darn it.

I like your idea of keeping that tuber away from the others! Will be replanting mine tonight in a pot.

Here is a link that might be useful: dahlia disease chart

    Bookmark     August 1, 2005 at 7:36PM
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Poochella(7 WA)

(because we had a cool spring) and I still do not have flowers only small buds.

My guess is that's the reason why. A good stretch of warm/hot weather will do wonders. We've been through a long stretch of heat and sun, and the previously dawdling dahlias have just gone wild. Still only 6 opened, but bud formation and growth has been explosive.

I would give them time and hope for a heatwave.

    Bookmark     August 1, 2005 at 1:15PM
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Poochella(7 WA)

Good for you, I hope the moved tuber goes on to grow and that the squirrel moves to California LOL!

Enjoy the heat and that gorgeous, gorgeous thing called sunshine.

    Bookmark     July 29, 2005 at 12:35PM
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tcgreene7(Spokane)

I've had some like that too-rot. And now its extremely hot. Another factor is if you replace some...I mean that some didn't work out, so you dug 'em up and put in another. Then it would take awhile for the new one to get going. I've had both cases. I'm also using a pot to shade the new one. I've been pleasantly surprised that as much abuse as some have taken-getting broke off, etc that its still hanging in there!

Keep "the faith!"

    Bookmark     July 30, 2005 at 9:22PM
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Poochella(7 WA)

Wow, Willow that is beautiful but not anything like Lupin Peltier I know or anything I have grown. Did I send you one from the PSDA? It would not be inconceivable that someone mislabelled their tuber- they are donated by members. If it was my tuber, I have no explanation and plead 100% innocent (just like OJ, LOL.)

Here's mine from last year.

That makes two so far that look different in color and this one is way different in form. I would guess tuber mix up, although I have one from Connell's that is shown to be a white-tipped, small purple cactus and to date it's looks like white and purple mixed all over each petal.

I have no idea what's gone on here, but I can't wait til yours bloom so I can compare colors etc! The good news is I have two Lupine Peltiers (I think) and will gladly resend one next year.

    Bookmark     July 30, 2005 at 6:02PM
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willow22552(z5NY)

That was the one you sent me from PSDA, I don't get it! It must me a tuber mix up as that was the second blossom off that plant and the first looked the same as the one above. My mystery plant because it sure doesn't look like LP. Hmmmmmmmm???

Thanks for the reply and I will take you up on the resend of LP

Willow

    Bookmark     July 30, 2005 at 6:14PM
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Poochella(7 WA)

Nice flower Jroot. It looks like "burst of sunrise" to me. Don't let that sit too long before sending your wife out with a scissors LOL!

    Bookmark     July 26, 2005 at 9:26PM
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Dahlia_Linda(8 Wash)

I started squishing the aphids by using Plantlady2's method a few years ago. Just running your thumb and finger up and down the stock. Last year I had 2 plants that had a few. This year I have found none as of yet. I also feed tons of birds and I see the birds sitting on the dahlia plants sometimes. I think they do a good job of keeping the aphid population down. I also have lots of little green tree frogs in the dahlias. We have a well and I don't use cemicals.

    Bookmark     July 25, 2005 at 7:10PM
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digsdahlias(z8WA)

Hi Rick, I live north of you in snohomish county. You do want to get rid of them quick before they spread to your other dahlia plants. I don't like using insecticides so I get a bucket of warm sudsy water (dishwashinging liquid works just great), and wash it up and down the stems and them leave some of the suds on, doesn't seem to hurt the dahlias but leaves the stems sticky and the aphids don't like it -- be sure and check under the leaves too, they don't just hang out on the stems. Happy hunting!

    Bookmark     July 25, 2005 at 7:41PM
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tracey_nj6(6)

Ooooh, that's very pretty. Would you happen to have a name for it?

    Bookmark     July 19, 2005 at 12:34PM
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dragonfly_(5)

I purchased a bag of tubers from Wal Mart. I am not sure the bag stated a name other than Dahlias. Sorry

    Bookmark     July 24, 2005 at 7:32AM
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GreatbluebabyCT(z6CT)

Hi,
I don't know but, I hope so, a storm yesterday split one of mine straight down the middle. I had to cut it down and am hoping for more shoots to come up in place of the old ones.
I have blooms on a few plants and the leaves are turning yellow and looking scraggley looks like were in the same boat.
Good Luck with Yours!
I hope they keep blooming nicely.
Laura

    Bookmark     July 20, 2005 at 9:52PM
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plantlady2(NW Washington)

They will come back.

    Bookmark     July 23, 2005 at 3:39PM
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Poochella(7 WA)

I should try that newspaper covered with mulch thing. I have tons of grass and persistent weeds that creep into my garden pathways.

Glad you found a place you're happy with for your dahlias Jamlover. I used to grow potatoes- those little suckers are persistent, like the weeds! I think it took about 5 years to get them out of the garden.

    Bookmark     July 23, 2005 at 12:12AM
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Poochella(7 WA)

Calpat, there is nothing like learning from experience, even written instructions can't save you from failures, but the trial and error method yields many lessons. You have a good attitude to go forth and try to succeed.
I hope you have a banner year for dahlias in your future.

    Bookmark     July 23, 2005 at 12:08AM
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Poochella(7 WA)

A low sprinkler sounds like just the ticket Willow. If it were in the 90's, you would find me lodged supine in the dahlia patch to take in the cool water as well! That is just too hot!

    Bookmark     July 17, 2005 at 12:36PM
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tcgreene7(Spokane)

Poochella-

I agree with the "soaker hose" idea, and then the dahlia can still be over watered, believe it or not! I've lost tubers from overhead watering, but noticed if you don't stay on them, they can be really soaked! And what if you get rain that you didn't plan on? Yikes!

tc

    Bookmark     July 22, 2005 at 10:49PM
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Poochella(7 WA)

Hi Jeanette,
Here is a pretty thorough discussion of earwigs, tips and tricks to control them. It would apply to a dahlia garden as well as any other type of plants.

I tried the soy/oil/molasses in a can last year and caught nothing but the stray tongues of visiting neighbor dogs!

Here is a link that might be useful: Earwig FAQ

    Bookmark     July 22, 2005 at 12:47PM
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Poochella(7 WA)

All great advice CGDahlias. Do you also recommend cutting into hot water, or pretty warm water vs cold? I have done that for a couple years but haven't done any real longevity comparisons to cutting into a cold water container.

    Bookmark     July 21, 2005 at 9:45PM
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cgdahlias(Cent. CA Coast)

We just use the water as it comes from our well. Transporting warm water to the field gets too complicated.

We've used hot tap water to rehydrate wilted blooms. It works, but the vase life is shortened by a couple of days.

    Bookmark     July 22, 2005 at 10:33AM
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cgdahlias(Cent. CA Coast)

Bill McClaren is a dahlia expert of the highest echelon. His book is a product of decades of research and practical work into dahlia breeding, growing, and marketing. His introductions are grown world-wide. Bill and Lois started Alpen Gardens, creating hundreds of new dahlia varieties with the prefix Alpen. He was the Chairman of the Research Committee of the American Dahlia Society for many years and continues to write and speak about dahlias on a regular basis. His recent book "The Encyclopedia of Dahlias" is just that, a current, complete reference to all there is known about dahlias.

Kevin Larkin, Chairman
American Dahlia Society Research Committee

    Bookmark     July 20, 2005 at 12:43AM
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tracey_nj6(6)

Window screen; cut edge up. Slugs can't cross them without slicing and dicing themselves.

I've tried the crushed eggshells; all it did was encourage the squirrels to dig around my tubers...

    Bookmark     July 19, 2005 at 2:07PM
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willow22552(z5NY)

My Dad use to bury a bowl to ground level and fill it with beer and the next day it would be full of wasted slugs. Not a bad reason to have a beer party,LOL

    Bookmark     July 19, 2005 at 10:01PM
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