Premature fruit drop is often related to unfavourable environmental conditions, such as late frosts, excessive.

Plums Falling Off Tree Before Ripe. I have a plum tree that produces lots of fruit, but just before they get ripe they fall off. Lack of pollination or brown rot could be the cause. Plum trees are very particular about their pollinators. They are generally not self-fruitful meaning they need a different plum and often a specific variety for pollination and fruit development. Fruit flies, apple maggots, caterpillars and plum curculio damage the plums, which eventually drop from the tree.

Plums damaged by insects are usually scarred or rotted and the causes are easily. Mar 07, People often wonder why their fruit tree has dropped or shed fruit before they get a chance to ripen! In this video, I explain 4 reasons why fruit trees drop.

Why do plums fall off tree before ripe? There can be numerous reasons why a plum tree drops its fruit before it ripens: insects, disease, high winds, and stress (too much water, too little water, lack of nutrients, poor drainage, weed competition, and excessive shade, for example). Sep 21, Problems With a Plum Tree Dropping Fruit Frost Damage.

Late frosts may thin much of the fruit newly set on the plum tree. Frosts seldom destroy the entire crop Infertile Fruit. Without pollination fruit will not develop on the plum tree. Tiny green plums form but soon shrivel and Insect. Aug 23, The plums fall off the tree when they are still green and hard, so that we only get a few (maybe ) that make it to ripeness.

We haven't been in the habit of watering, since we live in a fairly rainy area on the coast of Nova Scotia (even when it's not actually raining, it's often foggy).

Jul 07, In the case of plums the main culprits are wasps (yellow jackets) Good housekeeping is the best way to control it. Remove all damaged fruit. Prune out and dispose of (but not on the compost heap) dead shoots or spurs and any mummified fruits that remain on the tree, as the disease can overwinter on these.

Do you have other fruit trees nearby?