Plant Dahlias in containers now?

aliceinvirginiaAugust 19, 2008

I was at a nursery, and found they had 3.99 tubers marked down to $.99.

I figured what the h*ll and thought I'd buy them and see how they do.

I'm a balcony container gardener, so I figured I can just bring them indoors if I need to.

I opened up the packages and looked inside the plastic. One looks like it has three shoots and some roots, and the other has a lot of roots.

This is all mixed up with peat.

I have a lot of 4 and 5 gallon buckets. I plan on making self-watering containers out of them. On the container forum there is Al's recommended soil mix. I thought I would use that. It's supposed to be well-draining.

Are self-watering containers OK for Dahlias?

Since there are roots and sprouts, how do I tell which side is up? Is there an up?

Can they continue into the fall/winter if they are by a large, sunny window?

I figured nothing ventured, nothing gained.

I'm in northern Virginia and think I might be zone 7

Thank you for reporting this comment. Undo
sturgeonguy(5a ON)

Usually you want your tubers to stay reasonably dry so they'll promote root growth and avoid tuber rot. Self watering can be fine, but keep the water to a minimum until buds start to appear.

As far as which way is up, there should be some crown material left where the sprouts are. Crown material is where last year's stalk was cut off the tuber. The sprouts go up, and should be considerably thicker than roots. The tuber should be planted on its side.

As far as bringing them in goes, you're likely going to need to augment the sunlight to get blooms. A grow light would definitely help. Otherwise, you're likely to have a lot of foliage and few blooms.

Good luck!


    Bookmark   August 19, 2008 at 9:31AM
Thank you for reporting this comment. Undo

I will back up what Russ said. I grew my dahlias under lights since January till May. I had blooms in May. So yes Alice you can grow dahlias in doors. Make sure you use new lights.

    Bookmark   August 19, 2008 at 8:40PM
Sign Up to comment
More Discussions
New to dahlia's. Suggestions?
Hi, I've chosen dahlia's as my new thing to grow this...
annofpa zone 6b
new guy at the forum
Hi every one I'm new to the forum but I've been reading...
Question on my dahlia imperial tree
I'm in Zone 8a. I grew my first year imperial dahlia...
lorabell NC
Any dahlias that won't get powdery mildew???
I'm not interested in spraying my garden, not even...
New to Dahlias. help my tubers are drying out
HI everyone. I dug my dahlias and washed them before...
People viewed this after searching for:
© 2015 Houzz Inc. Houzz® The new way to design your home™