Culture Corner forum: Begonia starts

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Mar 17, 2011 12:41 PM CST
These are my pendula starts from tubers.Thumb of 2011-03-17/CarolineScott/872249
And the Doubles and Camellia flowered ones.Thumb of 2011-03-17/CarolineScott/c76bec
Apr 6, 2011 12:58 PM CST
Name: Michele Roth
N.E. Indiana

Do you have those on heat mats? I'm always in a quandary about when to start mine. Too early/ cool and they want to rot - too late and no blooms before frost.
Apr 8, 2011 9:36 AM CST
My begonia starts are near a heat register in the living room.
One box is on a table right over the register and the others are on the floor near by.
Apr 8, 2011 2:11 PM CST
Name: Michele Roth
N.E. Indiana
Ah! That sounds good.
We have no registers here. No central heat, or air either for that matter.

Do you think vermiculite would be a better starting medium than a peat based one? Maybe that's part of my rot issue. Blinking
Apr 8, 2011 7:14 PM CST
I used chamomile tea for the begonias.
I make a two tea bag pot and dilute it to about half a gallon.

I did not do this with the Caladiums and now there is mold.
I keep a spray bottle handy with either chamomile tea or diluted hydrogen peroxide.
I dilute the peroxide from three per cent: taking a quarter of a cup of the 3% and diluting to about four cups.

Chamomile tea contains an organic peroxide which inhibits molds.
Both chamomile and dilute peroxide prevent damp off and molds.

My begonias were in Pro-mix which contains both peat and vermiculite.
[Last edited Apr 8, 2011 7:17 PM CST]
Quote | Post #613243 (5)
Apr 9, 2011 7:32 AM CST
Name: Michele Roth
N.E. Indiana
Thanks so much, Caroline!

That sounds do-able. I haven't had any other issues with damp-off or rot, so I hadn't thought about using chamomile tea for the begonias. I'll try that, along with a higher percentage of vermiculite in my starting mix.

I saved some beauties from last year - sure do hope I can get them going again. Smiling
Apr 9, 2011 10:11 AM CST
And we will post pictures when they blossom.

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