Primary propagation of ceiba is through seeds. Key factors for successful propagation include full light exposure, warm temperatures, and well-draining soil. Special considerations involve soaking seeds before sowing to enhance germination. The general difficulty level for propagation is moderate, with the main challenge being the long germination period. To propagate, 1) Soak seeds for 24 hours, 2) Sow in sandy soil mix, 3) Maintain soil moisture without overwatering, 4) Place in a warm, bright spot, 5) Transplant seedlings when sturdy enough to handle.