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|First, the seeds require 2 months of cold stratification. Arisaema seeds can be planted in a pot of potting soil, indoors. Keep damp soil, not soaking wet. Keep pot in warm situation 20øC/68øF, 24øC/75øF. Arisaema seeds will usually sprout within 4-6 weeks and will proceed to grow for up to 2-4 months. At this time, they will appear to slowly turn yellow and die. They are only going dormant. After a cold period, they will again resprout. Germination can take longer depending on their degree of unbroken dormancy, don't give up.
|Scarification / Stratification
|This will break their dormancy. It creates a cold and moist environment for the seeds. Mixed in seeds with slightly moistened vermiculite or peat, only damp in a ziplock bag. Close zip bag shut and store it in the salad crisper compartment of your refrigerator. If any seeds begin to sprout during the cold stratification, simply remove the seed and plant.