Vegetable garden – where are the pollinators?

I’ve got a variety of edibles, tomatoes, zucchini, cucumbers and beans, all but some of the tomatoes in containers. They get enough sun, have good leaf growth so far. I am not seeing a lot of fruit, e.g. brandywine tomatoes…

Italian plum tree not bearing fruit

I planted an Italian plum tree 5 years ago.  It is now around 12 ft tall and flowers every year but bears no fruit. I think I need another plum tree to pollinate it, but do not know the variety.…