[greeneyes]

Not too often. But a lot will. You can increase the odds by doing a manual pollination with a q tip or tiny paint brush.

[Red_Devil 232]

All you have to do is give the stem the flowers are on a couple of taps with your finger or a small stick - usually the wind will do this naturally. The vibration is all the flowers need to self pollinate. I have been doing this to each and every tomato plant every morning for years when checking for pests and have produced great yields tomatoes.

[Ellendra]

Actually, the way most tomato blossoms are shaped, just giving the branches a little shake will do the pollinating. Found that out while reading my plant-breeding book.