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Weird Dahlia Flowers
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Hyacinth
Just Arrived
Joined: 22 Sep 2006
Location: Norway
Posts: 7
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| Posted: Fri Sep 22, 2006 7:45 pm Post subject: Weird Dahlia Flowers |
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If you take a closer look, you'd see that my dahlia duet prodocues two different kinds of flowers. The one being red.. and the other being red with white tips.
Is this normal?
and also, the very same dahlia plant has been having a layer of mold or soemthing on the top part of its leaves lately. I could rub it away with my fingernails. I was just wondering if it's normal.
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toni
Mistress of Garden Junque
 Moderator
Joined: 07 Jan 2006
Location: North Texas (Map)
Posts: 4683
PlantStew: 520 |
| Posted: Fri Sep 22, 2006 7:55 pm Post subject: |
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When a plant of any kind is a grafted plant (which your Dahlia probably is), there is always a chance that there will be flowers from the mother plant (aka root stock) and from the plant grafted to it, resulting in two, sometimes three different colors.
I had a grafted climbing rose several years ago, that was red when I bought it. After a really hard and long spell of ice storms and single digit temps, the rose died back down to the root stock. Next season, the root stock put out stems and resulted in white blooms while the grafted part also grew and bore red blooms.
The next year there were white, red and pink blooms.
After a couple more years the red stock prevailed and it has been red since then.
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eileen
Moderator & Resident Taxonomist
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Joined: 07 Feb 2005
Location: Scotland (Map)
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Pinkiered
The Rose Queen
Joined: 02 Jan 2006
Location: Lawton, Ok (Map)
Posts: 927
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| Posted: Sat Sep 23, 2006 3:23 am Post subject: |
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Way to go Eileen! I was going to post about powdery mildew. Im having another bout of it on two of my roses.
_________________
I do not have a green thumb
My plants just have the will to live.
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Hyacinth
Just Arrived
Joined: 22 Sep 2006
Location: Norway
Posts: 7
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| Posted: Fri Sep 29, 2006 11:15 pm Post subject: |
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And also... I was wondering if I have to cut mydahlia down when frost comes. Any chance of them surviving if i leave the tubers outside? I wouldn't want to cut down mysweet dahlia 
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eileen
Moderator & Resident Taxonomist
Moderator
Joined: 07 Feb 2005
Location: Scotland (Map)
Posts: 10505
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| Posted: Fri Sep 29, 2006 11:27 pm Post subject: |
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This website tells you all about what to do with dahlia tubers during the winter Hyacinth. I hope you find it of some use. 
http://www.thegardenhelper.com/dahlia.html
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Hyacinth
Just Arrived
Joined: 22 Sep 2006
Location: Norway
Posts: 7
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| Posted: Sat Sep 30, 2006 7:47 pm Post subject: |
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I've always thought that Dahlias were used to cold climate...like tulips and the like. Guess i was mistaken, eh?
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Polly
Thumb Gardener
Joined: 26 Jun 2006
Location: Michigan
Posts: 2235
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| Posted: Sat Sep 30, 2006 8:18 pm Post subject: |
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Your dahlia is very pretty even if it does have different colors. I only tried growing them once. I planted them in the spring and waited for them to grow. That was 3 years ago - they never grew.
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