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Growing Milkweed Vine
For best results, a 2+ week cool stratification (in fridge not freezer) will coax these sporatic sprouters into action. Place seeds on a papertowel moisened with purified water. Fold the towel over completely covering the seeds then place in a baggie and put in the fridge. Check every 3rd day to make sure mold has not started to grow. If it has prepare another paper towel and transfer the seeds to it placing the papertowel in a NEW baggie and back in the fridge. After stratification, sow indoors in pots fille with seed starter mix 1/8" deep(flat). Water well and place in a warm place with indirect light. Seedlings will emerge in 10-42 days. Keep moist. Gradually accustom young plants to outside conditions (avoid frosts), before planting out into well-drained soil, March-May, 30cm (12") apart. Or, sow outdoors for ease, April-May, where they are to flower, 1.5cm (½") deep, directly into finely-prepared, well-drained soil, which has already been watered. Sow 2 seeds together, every 30cm (12"). Remove weaker seedling, which can then be transplanted. Seeds sown in autumn generally flower earlier the following year. Flowers: May to October.