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Overwintering Tender Bulbs in Pots.

Posted by denninmi 6A SE Michigan (My Page) on
Tue, Oct 27, 09 at 10:08

Does anyone else grow and overwinter their tender bulbs (I have glads, dahlias, eucomis, acidanthera, oxalis, calla, canna, Peruvian daffodils, Amorphophallus, Zephranthes, and a few others) right in the soil in pots?

I got sick of digging and planting, digging and storing, a few years back. So, I potted them all, and now I just cut off the tops after frost, let them pots dry out a few weeks in a dry place (garage or greenhouse), then store in my basement or barely-heated attached garage.

They store MUCH better this way than when dug. I used to have problems in particular with glads and dahlias rotting. Not now.

Of course, it does take a bit of room. I've got about 30 pots of various bulbs, most are in 18" square containers, and a few are larger tubs about 22". I just tuck the pots under of behind things, and I also stack them 2 to 3 deep if possible.

They go back outside in mid to late April after the danger of hard freezes is over.

Follow-Up Postings:

RE: Overwintering Tender Bulbs in Pots.

I do this a lot. Or used to before it became too much work to schlepp all those pots around twice a year :-)

I think it is of benefit to grow a lot of tender bulbs in containers, as many of them require a good deal of soil heat to get started in spring as well as hot conditions to bloom well and containers heat up faster than inground conditions and you can move or place the pots to receive maximum sun and heat to encourage flowering.

RE: Overwintering Tender Bulbs in Pots.

What a good idea! I have never tried this, but it would be a great way to overwinter Caladiums. Next year...:)

RE: Overwintering Tender Bulbs in Pots.

  • Posted by chills Zone 6b Mi (My Page) on
    Tue, Oct 27, 09 at 22:45

I've got Calla and Euconomis (pineapple lily) in the ground (too lazy to deal with yet another plant to cart around (with the figs, passiflora, jasmines, dragonfruit, palm and assorted other things).

They've come back for me the last 2 years (and last year was a pretty harsh winter temps wise for me....coldest so far in SCS in 7 years)


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