"tippy1" wrote in message
...
About 7 years ago I planted a black cherry tree thinking my sour cherry
tree would pollinate it. It bloomed wonderfully but never got
pollinated. Then about three years ago someone told me about type of
cherry tree that would pollinate it. Well last year the black cherry
blossomed fully but the other tree didn't until after the blossoms fell
from the black cherry. This year I was hoping they would blossom
together to get the pollination, but neither one ever blossomed at all.
What's going on and what do I need to get them to produce.?
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....
Well, the trick is as you noticed is to get them to flower at the same time.
If you take note when the tree is in bloom, then you can use this
information to get a possible pollinater.

Though that is one reason why I got a self pollinater (Stella)... now my
biggest problem is birds.