This book is about the different factors affecting bulb dormancy breaking in Hanson Lily, a Korean native lily found only in the mountains of South Korea. This book explains the recommended temperature in breaking dormancy in Lilium hansonii bulbs. This also explains the effect of temperature in flower development of Hanson Lily "Lilium hansonii" from the time of harvest, sprouting, vegetative stage, flower bud initiation, differentiation and up to anthesis.