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Apple Tree PollinationDate Posted: Saturday, October 04, 2008
apple In order to produce fruit, the flower of an apple tree must receive pollen from a different apple tree variety. This normally means that the homeowner or gardener should plant two different varieties in the same general area.

The actual movement of pollen usually occurs as a result of bees and other insects moving from flower to flower.

Apple trees flower at different times during the spring. They are usually classified as either early, mid or late season blooming.

Generally speaking, an early blooming variety and a mid-season variety will overlap allowing pollination to occur. Likewise a late season variety and a mid-season variety should also overlap - enabling pollination. But an early and a late season do not normally flower at the same time so therefore can not be used as pollinators for each other. Bottom line, if the trees do not bloom at the same time, pollination can not occur.

To further complicate matters, some trees have sterile or incompatible pollen and can not be used to pollinate other trees. These varieties are called Triploids. If you choose to grow one of these varieties, plant an additional apple tree in the area to serve as a pollinator.

Why Didn't My Apple Tree Fruit?
There are many reasons why an apple tree may not produce any fruit. The most common are listed below:

  • Pollination problems
  • Flowers were damaged by frost or rain
  • Shortage of bees or other pollinating insects
  • Tree is still too young to bear fruit
  • Over fertilization with a high nitrogen plant food
  • Not enough sunshine, or competition for light & nutrients with other plants
  • Apples are biennial, meaning they produce more fruit every other year
  • To ensure good fruit production, do the following:

  • make sure the tree receives adequate sunshine and nutrients like our GardenPro Fruit and Berry Fertilizer
  • plant at least two different fruit trees in the area that blossom at the same time
  • use mason bees to ensure pollination
  • avoid planting in a low-lying frost pocket
  • thin and remove small, undersized apples in early summer to improve quality of the remaining fruit
  • For best selection of apple and other fruit trees, visit Art's in early to mid March when our new bare-root trees are arriving. A second batch of potted trees is usually available from mid-April onwards. We carry a large selection of trees year round - please feel free to call us to confirm availability.

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