Scarification of Mimosa Pudica Seeds

Mimosa pudica earns its common name, the sensitive plant, from its ability to fold up its leaves when they are touched. The usually fern-like foliage appears full and lush when the mimosa is left undisturbed, but it quickly folds and gives the plant a sparse appearance when subjected to the lightest touch. Mimosa seeds have a hard outer coating that repels moisture and delays germination, but they sprout readily if properly scarified, or scratched. Start the seeds indoors six to eight weeks before the last expected spring frost.

6-inch-diameter pot
Potting soil
Fine-grit sandpaper
Spray bottle
Plastic bag

Instructions

- 1
  Fill a 6-inch-diameter pot with moistened potting soil mix to within 1/2 inch of the pot rim.
- 2
  Hold a mimosa seed between your thumb and forefinger. Rub the seed against a sheet of fine-grit sandpaper until the outer seed coat wears away and reveals the white inner seed coat. Only a small nick in the outer seed coating is required for successful germination.
- 3
  Plant two to three scarified seeds approximately 1/4 inch deep and evenly spaced in the prepared pot.
- 4
  Mist the soil surface with water, using a spray bottle. Cover the pot with a clear plastic bag to retain moisture in the growing medium.
- 5
  Set the pot in a warm area away from direct sunlight. Seeds germinate in approximately 14 to 21 days. Remove the plastic bag once the sprouts appear.

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