Hatch Green Rattlesnake XHot - 30 Seeds - Capsicum annuum (85 days) Scoville Heat Units 10,000 - 18,000. In early spring, start seeds indoors 8 weeks prior to warm nightly temperatures. Place the seeds in sterile media and cover 1/4” deep. Provide 85°F bottom heat, bright light and keep moist at all times. Seeds will germinate in 7 -14 days. Transplant seedlings into pots and grow until there are 6 true leaves on the plant. Plant them directly into rich soil, 30” apart or into large 5 gallon containers. Harvest peppers when they are green. If left on the plant a couple more weeks, the peppers will turn red at full maturity.