tried many method over years, found one that 99 times of 100 gives 100%. wet tissue with spray gun, place seeds in, fold over and spray again, place in ziplock bag, cover(i put mine in bobble hat, and place in warm place, 48 hrs all mine have 2 inch tails, 100% 99 times from 100,sometimes seeds are bad, but not often, i tried this after trying ll and found they always sprout in 48 hrs