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Sunday, 3 October 2010

Dahlia


 When talking about dahlias, I have some pros and some contras too. They are certainly beautiful plants, and have a long blooming period. Mine have started in June and are still flowering. I do not really like the fact they need to be dug up after the first frost and stored inside during the winter. Tall varieties need also lots of place and need staking. Young shoots are easily eaten by slugs in Spring. Despite of all these I love them. They are in fact easy to grow. There are many cultivars for every garden, tall, medium, small. They are grouped according to the type of flowers: cactus, ball, pompom, paeony, collerette etc.


Dahlia is native to Mexico. The Aztecs used to grow them for food and ceremonies.


After a few frosts the plant will turn black but, there are tubers in the ground that need to be dug out and stored for the next planting season. The clumps of tubers can be carefully divided and left to dry laying upside down for a few days. When separating the tubers make sure that each of them has at least an eye.
I place the tubers into boxes filled with sawdust. I keep them in the cellar because they must not be left to freeze. During the winter check them now and then to keep them moderately moist and prevent possible fungal diseases.

The one with tubular flowers...



Dahlia flowers come in pink, white, red, orange and yellow colour and all of their shades. There colour may be solid or mixed. The size of the inflorescence (what we call flower are in fact many flowers clustered together) may be really big, more than 25 cm in size or rather small, less than 5 cm.
Dahlia needs sunny spot and rich soil, but more about planting Dahlias in Spring.


My Dahlias are still full of flower buds.



The American Dahlia Society
Dahlia Society of Quebec French language Dahlia

7 comments:

  1. Obozavam dalije. Prelepe su, a ponesto sam naucila u ovom postu. Hvala, pozdrav

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  2. Hi, digging up the dahlias and storing them is always a chore, but we tend to leave ours in the ground and cover them with piles of compost which works most of the time...but perhaps you have harsher winters than we do..your photos are lovely...

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  3. Hi Mike, the winter here is very tricky. It might be -15°C or it may be quite mild. I'd better not take chance to loose my Dahlias. Saw your blog today via Blotanist, very nice.

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  4. Hi! You have such a nice collection of Dahlia. I never grow them before and last weekend I can't resist buying them. I just transplanted them today in a pot. Will about 25cm depth pot is allright growing them? The label says it is cindrella variety.

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  5. Hi Kalipso, Really beautiful dahlias you have there. Can you reseed next year or grow them in pots so that you can move them indoors when the temperature drops? Hope you don't mind my asking. I live in a tropical country and am just curious to know.

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  6. All of you who live in a warm climate area do not have to dig them out over winter.
    Dahlia may be grown in pot, only choose the size of the pot according to the type of dahlia. Small and medium sized dahlias are certainly more suitable for the pots. Dahlia may be grown from seeds or stem cuttings but division of the tubers is the best way to get mor plants. Just make sure each tuber has an eye (bud).

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  7. Very good dahlia selection Kalipso love your pics.

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