All varieties of plums bloom in late winter to early spring and fruit generally ripens in May through September, depending on species, cultivar and climate. Japanese plums are hardy in U.S. Department of Agriculture plant hardiness zones 4 through 10, while European plums thrive in USDA zones 3 through 9, depending on ...

What month do plum trees blossom?

Many Plum trees full of blossom fail to yield, or yield poorly, when the period during flowering is frosty. This often happens, because flowering takes place quite early, late March sometimes even, or April.

Why is my plum tree not blooming?

Lack of Sunlight

Plum trees require full sun to produce blooms and set fruit. Trees that do not get enough sunlight may delay flowering or not flower at all. For the best growth, place trees where they get at least six hours of sunlight daily and avoid planting trees where other trees or building shade them.