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Tuberous begonias not sprouting!!
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Posted by claudosu z7 OK (My Page) on Thu, Apr 21, 05 at 0:11
| I've planted pecotee begonias and hanging basket begonias bulbs in mid march when the wheather became warm. However, I don't see any signs of growth in any of them.
The bulbs are still firm and when I was poking one of the bulbs it popped out and didn't have any roots yet. It's been a long time, and I'm loosing hope that they'll ever sprout :-(.
Anybody has had problems with growing begonia bulbs or maybe successes? Any tips or comments from people that had experience with growing these plants would be great.
I don't know if I should just give up, or continue waiting. |
Follow-Up Postings:
RE: Tuberous begonias not sprouting!!
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| Tuberous begonias should ideally sprout before you plant them. Sprouting is when small pink or white eyes become visible. You can "force" the sprouts out by placing the bulbs in a warm place (65-75 F) for 1-2 weeks. If no luck, try to soak the bulbs in lukewarm water for 1/2 hour and then put on the bed on moist, warm peatmoss sphagnum. Once sprouting occur plant the tubers. Keep the pots/baskets in warm location (65-75F) in diffused light. No direct sunlight, but don't keep them in darkness either. The soil temperatures should be warm (as above) not cold. avoid letting the growing media dry out. Keep it consistently moist. I mix in plenty of perlite into the media in which I start the begonias. they prefer good drainage until they are well out of the pot. At that time, I repot in a larger pot using regular potting soil. |
RE: Tuberous begonias not sprouting!!
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| A horticulturist told me that california begonias should not be planteduntil they have sprouted but British begonias (B&L) should be planted and covered with soiless mix. I use regular potting soil until I move them to 12 inch pots and then I use pro-mix. |
RE: Tuberous begonias not sprouting!!
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| I'm in the same boat. I dug up the corms from the pots to check on them and saw no signs of life. . .I'll try to bring them in and warm them up a bit inside until they sprout then replant them. I've been babying and doting (sp?) over my plants and other babies for about a month now since I started planting seeds and buying plants. The garden is coming along nicely and seedlings are growing strong. I can't wait until September when I can get the fall bulbs bed in order. |
RE: Tuberous begonias not sprouting!!
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| I got most of my tuberous begonias from Antonelli's (in California) and followed their instructions for all my tuberous begonias, Antonelli's or not. I inspected each tuber carefully for evidence of even a tiny sprout when I received them in April, then planted all the sprouted ones in a flat filled with moistened (not wet) potting soil, and didn't water again until leaves emerged. I kept the flats/tubers in a back bedroom, probably at about 60 degrees F. All the non-sprouted tubers got held for about a month, and most of those sprouted and got planted, too. Anything left got set on TOP of a flat of moistened potting soil until it sprouted, too. Once the tubers showed leaf growth, it was warm enough to move the flats outside, and I put them in a shady spot and watered when the top of the soil was dry. I potted the tubers up into their own pots as their leaves got big enough, and they have now been moved into big hanging baskets or big pots-- their final destination. |
RE: Tuberous begonias not sprouting!!
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| In March, I put mine in a cloth bag filled with milled peat moss, then place them in a big pot OUT DOORS in a dark and protected area. They only get moisture if it rains on the bag. They generally sprout in about two weeks. I keep mine from year to year by storing them in the basement in the cloth-filled bag of DRY peat moss. |
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