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Disbudding, Topping Dahlias

Posted by dahlia_newbie 9 (My Page) on
Sat, Jun 7, 08 at 3:39

I read elsewhere on this forum that "topping" dahlias will encourage a larger fuller plant? When should this be done? When there are a certain number of leaf sets? Certain number of weeks after they sprout? When plant reaches a certain height?

As for pinching the buds, does this produce significantly larger blooms? If I am growing for cut flowers, I would think this is a must? The more I research it online, the more methods I see...Confused. I am understanding that when one stem has more than one bloom on it, you want to take off all but the primary one nearest the end of the stem? Is that right?


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RE: Disbudding, Topping Dahlias

Not all dahlia varieties need topping, only the larger varieties, when it should be done depends on how you want the plant to grow, if you want to grow a single then you remove the remaining sprouts as they emerge from the soil. When it´s time to top ? when the plant has grown tall enough but not yet hollow inside ( around 10-12" ) that´s when you remove the top, the process can be repeated again on the branches for a bushier plant.

Pinching the buds does produce larger blooms, significantly is a matter of interpretation because depends a lot on the variety, is some varieties ( like dinner plates ) it is really significant, in other varieties is not that significant. One stem has three buds, a main one in the center ( the largest ) and two secondary buds, one to each side of the main, you pinch the secondary buds as soon as you can spot them, that means as close as you can to the main buds stem.


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RE: Disbudding, Topping Dahlias

Topping is done to make a fuller plant on any sized dahlia. It will also keep some of the taller ones a bit shorter.
You want to disbud not just for showing but so you get a long enough stem to have a nice cut flower-- not a bloom on a 3" stem.
Ellie


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