"In Zone 6b/7, new dahlia tubers are typically planted in early to mid-May once danger of frost has passed. " Dahlia 3月种有可能太早了
In most regions, plant lily bulbs in the fall, at least four weeks prior to your first fall frost date. Bulbs planted in the autumn will have well established roots in the spring. The bulbs benefit from a winter chill to produce big blooms. In areas with particularly harsh winters, consider planting in the spring instead. Plant as soon as the threat of frost has passed. Container-grown lily plants can be planted anytime during the early summer.
Dahlia 3月种有可能太早了
In most regions, plant lily bulbs in the fall, at least four weeks prior to your first fall frost date. Bulbs planted in the autumn will have well established roots in the spring. The bulbs benefit from a winter chill to produce big blooms. In areas with particularly harsh winters, consider planting in the spring instead. Plant as soon as the threat of frost has passed. Container-grown lily plants can be planted anytime during the early summer.
貌似lily在大多数地方都是秋天种好。