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The seeds can be pre-germinated by soaking them in water for 24 hours and then, placing them within a continuously moist and well drained medium such as sand, vermiculite, or coarse fabric. Once they have germinated place them flat side down 1.25 cm deep in a light weight and porous soil and cover by sprinkling over top. The soil should then be watered daily, still careful to keep a continuously moist yet well drained water content.