Begonias - how can I tell the difference between upright and trailing
By Blueheather
United Kingdom 
I am new to growing tubers and have done so in my min greenhouse. Sadly my neighbours kids took out all the little labels I had in my pots and now I don't know which are trailing and which upright. Is there a way I can tell from the leaves???
21 May, 2009
The only way you might be able to tell the difference is once they've got going - the stems on the trailers are thinner, which is what makes them droop down once the flowers arrive,cos they're not thick enough to support the weight upright. Maybe someone else knows another way...
21 May, 2009