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How to pollinate strawberry plants

Updated July 20, 2017

Most of us think of the strawberry as a fruit, but it's actually classed as a herb. The strawberry plants grown and sold by commercial growers are hermaphrodite. This means the individual strawberry plants can pollinate themselves. The plant will bare fruit based on how many flowers it produces and how effectively they are pollinated. Strawberry plants have traditionally been pollinated by bees, insects and the wind. However, strawberry plants can also be hand pollinated to ensure a high crop yield.

Watch for white flowers to start blooming on the strawberry plants.

Identify what the stamen and stigmas of the plant look like. The stamen is the male, pollen-laden part of the flower. In one flower head there are around 20 male parts. The stigma is the female, receptive part of the flower's anatomy. Each flower will have between 100 to 400 female parts.

Use a magnifying glass if you can't see the pollen with the naked eye.

Take a small artist's brush and pick up pollen from the stamens with the tip of the brush and brush it over the stigmas. The stigmas will be at the centre of the flowers and have open, tube-like mouths with which to receive the pollen.

Watch for the pollinated flower to wilt. This will happen anywhere from the time it's hand pollinated and 48 hours later. The flower wilting indicates the pollen successfully travelled through the stigma and down the style and fertilised the ovary.

Tip

On average the flowers should produce fruit in 30 days from fertilisation. If the weather has been cool and wet the process can take up to 40 days. With good growing conditions and warm weather it can take as little as 18 days.

Things You'll Need

  • Magnifying glass
  • Artist's paint brush
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About the Author

B. Ellen von Oostenburg became a full-time writer a decade ago. She has written features for local and state newspapers, as well as magazines, including Milwaukee Magazine, Wisconsin Trails and German Magazine. A graduate of the University of Wisconsin - Madison, von Oostenburg holds a Bachelor of Science Degree in fine art.