Starting Begonia Tubers Without Heat In A Propagator

Any sort of propagator can be useful to start begonia tubers in a cool room, and it doesn't have to be heated. This unheated window sill propagator consists of a container holding three half-size seed trays (8" x 6.5" (20mm x 17mm?)), each complete with a ventilated lid. It seems ideal for use on a window sill - especially since it is selling for £10 (incl.V.A.T.) complete.

I must admit I am not a big fan of propagators, since unless full they are inefficient on space. But they nevertheless have their uses. Covered trays like these make it possible to grow tender young plants in dry atmospheres without desiccation. If careful not to get too hot, they can even be used near a radiator, which will supply any bottom heat to get things going. But try a dry run first, just to be sure - and radiators almost invariably need turning down.

Begonia Tubers, now available in stores and garden centres, can be placed on top of some damp multipurpose compost in small pots and kept at about 18 - 20 deg C to get them rooting. Tubers from storage can also be treated this way.

P.S. Don't forget that 200g coffee jars, old cake containers etc. and freezer bags attached to pots all make ideal window sill propagators - and they don't cost a penny!