Stratification: Numerous tree seeds in mother nature lie on the ground all Wintertime and germinate in spring. Some weeks in a cold, moist environment mimics these problems Therefore the seed "knows" that it must sprout. Most seed trays from back garden source centers come with a plastic cover to keep https://plant-propagation11098.life3dblog.com/31520834/top-guidelines-of-growing-plants-from-seed