Planting Tulips And Daffodils - Knowledgebase Question

Danville, CA
Question by vkocken
October 17, 2000
I live in California, which is zone 9.
I have bought several bags of tulips and daffodils.
I have no idea when to plant these.
Some advice on this would be helpful.


Answer from NGA
October 17, 2000


Most spring blooming bulbs are planted in October, November or by December at the latest. Bulbs appreciate a rich fertile soil, so incorporate 4-6 inches of compost into your soil before planting. Add a phosphorous source, such as bone meal, to the bottom of the planting holes to promote bloom. Continuing adding compost and fertilizer to your bulb bed every year. The packages that bulbs come in will usually provide planting depths, but lacking that, plant about two times the bulb's diameter. Tulips, daffodils, and crocus require chilling for about 4-6 weeks. Others require no chilling. Put the bulbs in the crisper of your refrigerator, but make sure no fruit is in the same compartment. It gives off a gas that encourages the bulbs to grow. Good luck!

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