germination instructions Ceratopteris thalictroides - Sumatra fern:
For sowing of aquatic plant seeds either use finely sifted soil or special water plant soil that is filled in deep pots (without organic material).
Then sow the seeds on the soil and cover the seeds with a thin layer of gravel. Place the pots in a container of water so that the surface of the gravel is covered with about 1 cm of water.
Put the pot on a bright place at a temperature around 68 - 77 F. As soon as the first pair of leaves has developed, the seedlings can be pricked out.
Protect the seedlings from frost in the first winter.
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