3,226 Garden Web Discussions | Dahlias

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Poochella(7 WA)

2 weeks is getting pretty old for a bloom, so that may account for the brown spots. Sometimes rain will spot petals too.

If you see ants on your dahlias, you might want to check along the stems for aphids. Easily washed away with a squirt of water, or even removed by hand squeegying.

    Bookmark     August 7, 2007 at 9:42PM
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mipeonyzone5

Wow, this is my first year with Dahlias, and they're no where near the size of yours. Very nice!

    Bookmark     August 9, 2007 at 5:14PM
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covella

I haven't had Bishops Children but have grown Bishop of Llandaff and Bishop of York in part sun/shade nd they were about 4-5 ft tall and just fabulous. No wonder Llandaff is one of the most popular dahlias of all time.

here are 2 seed companies that have it - just have to google
Dianes http://www.dianeseeds.com/Index.html

Thomson Morgan
http://seeds.thompson-morgan.com/us/en/product/7035/1

heres's Llandaff and York grown in containers on the deck

    Bookmark     August 5, 2007 at 8:42PM
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limequilla

I made a mistake in saying mine grow in 4 hours of sun. I should have said "they get afternoon shade from at least 2:00 on. I think it's closer to 6 hours of sun.

Lime

    Bookmark     August 9, 2007 at 7:18AM
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linht(4a)

How often does everyone water there 3 feet or taller dahlia plants? What do you use (hose & attachment, watercan, sprinkler system. And how much is too much water??

    Bookmark     August 4, 2007 at 12:23AM
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crdahlia(z8bWA)

I've moved full grown, blooming dahlia plants before with lots of success. They'll droop for awhile, but generally come back with no problem. I'd shelter them from the sun for a few days. I have some holes in my garden where dahlias didn't come up or didn't look good after they did so I move some from my "reserve" garden to fill those spaces. One year my step-sister decided to get married very quickly. We had a long driveway and my Mother wanted dahlias lining the driveway. She moved plants from where they couldn't be seen to the driveway and they looked beautiful by the time the wedding happened. I, personally, wouldn't cut them back at this stage.

How much you water depends totally on the weather and your soil. Are you having any rain at all? The optimum way to water is with a soaker hose or "t-tape" (which is what I use). It's better not to get the water on the leaves -- helps prevent diseases. If you have only a few, using the hose directly on the plant would be good. I'd just let it run at the base of the plant gently for a while. They don't need water daily.

Teresa

    Bookmark     August 8, 2007 at 8:40AM
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oscarthecat(z7MD)

No but old house gardens may stretch the truth a bit. And they are not alone in this. Steve in Baltimore County.

    Bookmark     August 7, 2007 at 1:11PM
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crdahlia(z8bWA)

Overall, I don't think one dahlia variety is hardier than another (I'm sure there are exceptions). In your part of the country, I wouldn't chance leaving them in the ground. I agree with Steve on how some (many) catalogs stretch the truth as to hardiness. Does it mention that dahlias do not like wet feet? Here in the Pacific Northwest, more dahlias are lost in the winter to that than to freezing.

Teresa

    Bookmark     August 8, 2007 at 8:33AM
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nandina(8b)

This is the first time I have checked this Forum. Re: whitefly. It must have a host plant to reproduce. Do a search for "whitefly hosts" and carefully reads the lists of plant names that will appear. You are growing one or more of them in your yard and if they are removed your whitefly problem should end.

    Bookmark     August 5, 2007 at 12:52PM
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pdshop(5)

Thank you all. They seem under control now. I think I have found the host which was planted right next to them. Who knows. Iused Malathion which I didn't want to do but I wait all year for my dahlias. They won't be a good as last year I am afraid.

    Bookmark     August 6, 2007 at 12:50PM
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oscarthecat(z7MD)

This time of year you probably need a liquid. Since the demise of Diazinon you may have to use something containing Methoxychlor if you can find it there. Just mix according to directions and pour some around the base of the plant. Steve in Baltimore County.

    Bookmark     August 6, 2007 at 11:38AM
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dinnerdalh(7)

I am so glad to see the live plant. I planted Mystery Day in June from tuber that was on sale, and only saw a picture online when I ordered. It is about 2 feet high now but no blooms yet. I can hardly wait now that I see how it really looks. Beautiful, Thanks for sharing.

    Bookmark     August 4, 2007 at 10:19AM
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deeg

How exciting! I've been growing Mystery Day indoors since June 25th. Yours look just like the picture that came with the tuber! Mine are also about 2 feet high but very puny.

I don't want to plant it outside yet because it's so darn hot here! I put it outside for a couple of hours every day to try and get it used to it. I planned on planting it when it gets a little cooler.

Here's a picture of mine:

By dgarrand, shot with PDRM5 at 2007-08-05

It looks pretty sickly doesn't it?

Thanks for sharing yours!
Dee

    Bookmark     August 5, 2007 at 7:31PM
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misslucinda

Hey Anita--

In my experience, yes a tuber does reach its mature height in year one----but it/they are slower to get there. Of course, I've not taken a tape measure to my plants and there may be variations of a few inches or so but nothing noticible to the eye.

In my opinion, clumps are simply unpredictable. Some of mine are shorter than the others of the same name---have more sprouts climbing on the ground before I notice and can stake them, and simply have less flowers.

Good luck,

Patricia

    Bookmark     August 5, 2007 at 12:22PM
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oliver75

Sounds like Trips. I had a problem with them for a while, but it seems like the Pirate Bugs are getting them under control now.
I have used Spinosad on the buds as they are just starting to open and it seems to help. I don't like to use it on the flowers when they are fully open, becuase it is toxic to bees. The product I use is made by Green Light. Hope this helps.

    Bookmark     August 3, 2007 at 3:20PM
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linht(4a)

This is my 2nd year growing dahlias and those relentless ants attack my plants too! I donot have any aphids so I'm not sure why the ants are there. I do know that they are everywhere from the base of the stalk to the leaves on top of the plant. They swarmed one of my newly sprouted dahlia plants a few months ago when it was only 1 inch tall. I've tried several types of insecticides for all sorts of bugs on my dahlias and Sevin seems to be the most potent. The downside is...I heard it kills good bugs too.

    Bookmark     July 26, 2007 at 9:57PM
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andrea_missouri

I am also new to dahlias this year, and have several large tubers in the ground as well as smaller ones in containers. At the beginning of the summer, I had a horrible ant problem as well. They were eating the leaves leaving gross little white egg looking things on the stems. Anyway, I bought a can of insect powder called Selvin and dusted it over the dahlias. The ants returned several weeks later and I dusted again. Now, about two months later, I haven't had any more problems and the plants are doing very well!!!

    Bookmark     August 3, 2007 at 1:21PM
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mandyy12

Great shot. A very nice way to celebrate .

Bill

    Bookmark     August 2, 2007 at 1:03PM
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covella

Outstanding! You have at least 2 gorgeous women in your life!

    Bookmark     August 2, 2007 at 7:38PM
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jroot(5A Ont. Canada (near Guelph))

Why not try to root it? You probably would have better results if you give the cutting some protection from the hot sun for a while ( in a pot), and then you could transplant it when the roots have formed. Many of us do stem cuttings in the spring. You should also get more tubers in the fall.

    Bookmark     July 30, 2007 at 2:54PM
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deeg

Awesome! I'll keep my fingers crossed that it grows roots. I cut off the top of the stem that was wilted. Hopefully this will give it a better chance.

Thanks,
Dee

    Bookmark     July 30, 2007 at 7:02PM
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butterflymaiden(5)

Oh how lovely!

    Bookmark     July 30, 2007 at 4:26PM
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covella

Those are just gorgeous!

    Bookmark     July 30, 2007 at 5:40PM
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linht(4a)

Hy Mallow is very cute. What's the white one with the pink on the edges? Do you have a close up of that at all? It's pretty..

    Bookmark     July 27, 2007 at 4:28PM
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mingusalex2007

The white one with pink on the edges is called "Miss Teagon". I love it. I love them all!

Miss Teagon

    Bookmark     July 30, 2007 at 3:26AM
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mandyy12

Gorgeous photos. as a newbie to Dahlias, this is my learning year. Nice to see what can be accomplished.

Mrs. Dahlia Boy definintely overshadows Bo Lei.

Bill

    Bookmark     July 29, 2007 at 12:30PM
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oxmyx(6)

DB Fantastic!
I guess you must be close to my home, being that you belong to Dahlia societies in NY and CT.
I am from East Hartford, Ct. Since I do not have your contact info, (you mentioned helping me out with your fine Varieties)and I tried to find an e-mail address or something to contact you in spring........... perhaps there is another way, (hint)
How would you like to have a complete stranger visit?
Love to see the garden in person. ( I know this is bold, rash and uncalled for and please forgive my inproriety) :)

Please Keep the pictures comming
Thanks, Ox

    Bookmark     July 29, 2007 at 7:12PM
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