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Does anyone know what part of the blueberry bush turns into the actual berry? Is it the flower, the bud, or something else? What should I be looking for?

  • 2
    Oh, just noticed: "bud" is a pretty vague term, there are "flower buds" -> that will grow into a flower and "leaf buds" -> growing into leaves. Just for future posts. – Stephie Jun 4 '16 at 9:11
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The berry can develop when pollen is deposited on the stigma of the style in the pistil forming the Gynoecium or female part of the flower. The pollen then grows a tube that reaches the ovules within the ovary and the fertilized ovary develops into the fleshy fruit containing the seeds.

So if your blueberry bush flowers and the flowers get pollinated by bees (or more likely bumblebees) carrying pollen from flower to flower, the base of the flower can grow into blueberries.


Edit with photos as requested (click to enlarge).

Note the three future berries right in the centre: you can see they lost their petals, one style has dried and shrivelled, the other (younger) on the right is still light green. The ovum facing away fom the camera has started to swell to form the berry:

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Here you see a cluster of immature berries, petals in various degrees of wilting and ovae transforming into berries.

enter image description here

If you buy blueberries you will sometimes find some remains of the style (like a thin thread in the center of the crown-shaped dimple) - see first picture - and dried petals that didn't fall off completely - see second picture.


And before you have to ask: it's the same for all types of fruit including nuts, from blueberries to pumpkins. But we do not only eat fruit, but also roots (think carrots, beets and radishes) and storage organs like bulbs (onions), tubers (potatoes, sunchokes), corms (taro) and rhizomes (ginger) or leaves (lettuce, spinach) of plants.

  • Can you provide pictures with the blueberry bush, because I'm worried that the flowers falling off the blueberry bushes will prevent production of berries? – black thumb May 28 '16 at 5:03
  • @blackthumb - Erm, no? Mine have just started blooming, so why don't you add pictures to your question and let the comunity have a look? – Stephie May 28 '16 at 6:09
  • Aaaaaalright, I found some. Edited as requested. – Stephie May 28 '16 at 8:26
  • So after the flower falls off the berry starts to form? – black thumb May 28 '16 at 16:20
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    @blackthumb Not the whole flower, just the petals. The base should stay. If the base and the short stem fall off, the flower was not pollinated and the plant discards it. – Stephie May 28 '16 at 16:23

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