How long has it been since you repotted? Sometimes the potting mix breaks down and either doesn't drain well or doesn't have any nutrients left--or both--and the plant suffers. Do you fertilize? I think it's helpful to remember--at least it is for me!--that in nature most begonias grow in the leaf litter under trees, and this is constantly being renewed. It's also very loose and free draining.

It might be a good idea to cut it back some, and for insurance or just for more plants root the cuttings in case 'mamma' doesn't make it. She probably will--begonias are pretty tough--but insurance is always a good idea. They make good gifts too! That's what got me hooked on begonias in the first place--rooting cuttings and giving them to just about everyone who didn't run screaming.

Thank you so much for the advice. I think it's probably best to cut away the branches. I kind of had a feeling that was best, but I am always afraid that if I totally cut away the leaves, the plant will have no more leaves left for photosynthesis. Realistically, though, these branches are just slowly dying off (I'll still turning them into cuttings, but I'm not so optimistic!).

I also tried fertilizing it today. I tend to fertilize somewhat sporadically because I have several plants (including a gardenia) that all like different fertilizers, so sometimes I am too lazy to pamper each one. I'll try repotting in a couple of days, maybe. I don't want to give the poor plant too many shocks all at once!

Thanks again!