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Begonia tubers not growing

JandmacJandmac Posts: 1
in Problem solving
I potted up some begonia tubers in compost and lightly covered them in soil in the middle of April. Then I put them in my greenhouse and when there was no sign of any growth, moved them into the house. I have been waiting patiently for them to sprout, but only one out of twelve has shown any signs of growth. They are now back in the greenhouse, as I now have a new heater there. Will this help? Is there anything else I can do to bring them on? Thanks Janette

Posts

  • sotongeoffsotongeoff Posts: 9,802

    They do need warmth and moisture- are they new tubers this year?

    Mid-April is only 3 weeks -just be patientimage

  • Alina WAlina W Posts: 1,445

    They can be quite slow to sprout, and moving them out of the warm house into the colder greenhouse won't help. Are you sure that you've planted them the right way up, with the dip uppermost?

    Is their compost moist rather than wet, which could cause rotting?

    Were they very dry when you bought them, e.g., from a supermarket, which might slow them down?

    I agree with Geoff - it's not that long yet, give them a chance.

  • dionne 2dionne 2 Posts: 1

    Hi

    i have had the same problem. This is my second year and only half of the tubers were successful. I planted them in April. I planted 14 in total and only half have been successful. 1 is about to flower soon however the others are still very small. Very disappointed as they are such beautiful flowers.  I

  • Christinekempster61Christinekempster61 Posts: 2
    edited June 2018
    Hi         date 16th  June 2018
    This  is my third year of planting  up  non stop tubers   last two years  had a fabulous display  unbelievable  how beautiful  they are all from a small bulb  😍
    However this year planted in small greenhouse only half have come on as expected  they would but at least 15potted up are still to amaze  me hopefully  be upset if they  don' t🙄 keep looking for them to sprout  
    Winter I wrap up  in newspacer store in a box  so fingers crossed 
  • FireFire Posts: 19,069
    Mine aren't growing at all either. It's odd. they have sprouted and stopped completely for a month. I have lost two sets also - to rot in May, I imagine. A good year for the roses, not a good year for my begonias.
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  • Christinekempster61Christinekempster61 Posts: 2
    Think the bulbs which arnt  sprouting  are going soft  so I feel  they need to go  rather than wait for them to  sprout maybe I have over water them  to cause this 🤔
  • wildy08wildy08 Posts: 2
    Hi everyone. I started 50 Begonias 40 Pendula & 10 Standard on Sun 9th April. Having never grown these before I was and still am apprehensive as to if I am doing the right thing. I started all of them of in trays in my Porch (Unheated) and back room upstairs. To date there are 6 which aren't being very responsive, 4 of them have buds/sprouts yet no increase in growth and 2 no sign of any growth at all, yet the corms are very firm and not soft, so not rotting.
    All advice welcome PLEASE.
    Just to add, the ones which aren't showing growth or sprouting are in the same trays in which all the other corms are doing well.
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