what causes tomato blossoms to die
Blossom drop is a common tomato problem that is caused by stress or less-than-optimal growing conditions. Normally, a tomato blossom is pollinated and then fruit develops. This is called âsetting fruit.â. But sometimes, a healthy tomato plant flowers, its blossoms drop, and no fruit develops. This is called âblossom drop.â It's a result of plant stress or poor pollination. There are at least five conditions that can lead to blossom drop. Extreme temperatures. Cool nights (consistently below 55ÂºF) or hot spells (days consistently about 90ÂºF and nights consistently above 75ÂºF) force the tomato plant to abandon fruit production and focus merely on surviving.