Daffodils and Tulips - Knowledgebase Question

Leesburg, Vi
Question by themargounde
May 8, 2010
Novice here. HD librabry for daffodils/says to divide CLUMPS of bulbs in early summer, every 5-10 yrs. What does this mean? For daffodils/tulips, leave bulbs in ground? Do they need to be covered for winter? Both grew maybe 10-12

Answer from NGA
May 8, 2010


Bulbs tend to develop little offsets or baby bulbs when they are in the ground 3-4 years. As they do, each bulb competes with the others for moisture and nutrients and can result in poor flowering. That's why we suggest digging and dividing periodically - to give each adequate room for growth. When your bulbs slow or stop flowering, you'll know it's time to dig and divide. Until then, you can leave the alone and in the ground - you don't need to dig and replant every yeear. In general, bulbs should be planted twice as deep as the diameter of the bulb. Since bulbs will be all different sizes, the depth of the planting holes will vary. Hope this answers all your questions!

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