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How deep to topdress?

topsiebeezelbub

12 years ago

My daliahs are all in pots and the soil has "sunk". I am afraid to knock them out and add soil to the bottom of the pot as they are tall and will break (should have done it months ago, I know). Can I top dress them 3-4" or will the stems rot? Some plants like buried stems, but most don't so I am in a quandry. Thanks for your help.

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Comments (3)

topsiebeezelbub
Original Author
12 years ago
Oops, misspelled dahlia, sorry.
mandolls
12 years ago
It will be fine to top up the soil. Dahlias dont mind deep buried stems.
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CCvacation
12 years ago
In fact, if you bury extra stem when you first plant out, it might give you extra tubers that fall from each leaf junction under the soil.

Doubtful that they will do that once the stems start hardening, but it can happen. I've known several growers that stuck a large lateral branch that snapped off into the ground, and it grew roots. Only younger stems have rooted outside for me, though.

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