Plums stored in the refrigerator will last two to four weeks.

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.

If the plums were not full size and lacked a seed (stone) this was the problem. Storage tips: Plums will continue to ripen off the tree. Place ripe fruit in the fridge right away, and let unripe fruit ripen on the counter or in a paper bag. Be careful to check on ripening plums - they can go quickly from unripe to overripe.

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.

Place ripe fruit in the fridge right away, and let unripe fruit ripen on the counter or in a paper bag.

Aug 23, as well as mature fruit can fall off the tree very easily if we have too many Plums on the tree to start with. Thinning the tree is the best preventative but you also may have a nutrient deficiency that can cause a lot of fruit to fall off the tree. Also, lack of water can be a major concern which can lead to excessive and premature fruit drop.

Sep 21, Several types of fungi may attack the fruit of the plum tree and either damage or ruin the plums, causing an early fruit drop. Regular applications of fungicide control brown rot and other common fungal diseases. Regular cleanup of fallen fruit and a thorough pruning of diseased branches during the winter also reduce the impact on the crop.

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. Apr 25, Fruit Drop - Unripe Fruit Falling from Tree (Q&A).Responding to a comment from YouTube on why they might be experiencing fruit fall from the fruit trees, esp.