The two most common brands of tomato blossom set spray are Bonide and Monterey. They are available online and at most garden stores and sometimes also at hardware stores.

Blossom drop can be caused by temperatures outside of the ideal for tomato plants. It is common knowledge that tomato plants love sun and warmth, though they do not respond well to extreme heat.

Brooke Edmunds, a horticulturist with the Oregon State University Extension Service, troubleshoots the common problems that might be afflicting tomatoes like blossom drop, blossom-end rot, leaf ...

By now, most tomato plants have already set their main crop and blossom drop will likely increase at this point. Tomato plants are less inclined to set more fruit when they already have several ...