https://thongcongnghethuthamca....u.com/thong-cau-cong
Selecting bulbs. Most bulbs are sold during their dormant period. Buy them as early as possible before they start to produce roots. Most spring flowering bulbs will begin to grow roots by early fall, and by planting them early, you will ensure that they have time to establish themselves. Bulbs will deteriorate if kept out of the ground too long. Don't buy any bulb that is soft or mushy, or appears to be diseased. If you are planting vegetables, choose varieties that don't require processing in order to keep. For example,