How to harvest geranium seeds

Written by jenny harrington Google
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How to harvest geranium seeds
Seeds form directly behind the geranium flower. (Gabriele Maltinti/iStock/Getty Images)

Geraniums provide summer-long colour to flower beds and planters. Available in many varieties, there are both single-colour and variegated-flowering geraniums. Geraniums are a tender perennial, so they do not survive the cold temperatures of winter. One way to replant geraniums in your garden each year without the expense of purchasing new plants is to harvest the seeds. The seeds are then stored until you are ready to start your new geranium plants in late winter.

Skill level:

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Things you need

  • Shears or secateurs
  • Bowls
  • Envelopes
  • Jars

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  1. 1

    Leave the flowers in place on the largest and healthiest geraniums in your garden. Wait for these flowers to wither and begin dying off on their own.

  2. 2

    Cut off the dried flower head with a small pair of shears or secateurs once the petals have dried but before they have fallen off the plant. Place the removed flower head into a small bowl.

  3. 3

    Place the bowl in a well-ventilated, warm room so the seeds can finish drying. Leave the seeds to dry for an additional two weeks.

  4. 4

    Break open the geranium seed heads and shake the seeds out into a second bowl. Pick out any old petals and other plant matter that is mixed in with the seeds.

  5. 5

    Label an envelope or jar with the geranium variety and date harvested. Place the seeds in the envelope or jar and store in a cool, dark area until you are ready to replant.

Tips and warnings

  • Geranium seeds are relatively short-lived and should be planted within six months of harvesting.
  • Store the seeds in a sealed jar in the fridge. This provides the proper storage temperature while the jar protects the seeds from moisture.
  • Many geraniums are hybrids and will not produce seeds true to the parent. To alleviate this concern, only harvest seeds from known non-hybrid plants.

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