Potted Tulips - Knowledgebase Question

Willow Grove, PA
Avatar for eaglone
Question by eaglone
April 20, 2001
I received 6 potted tulip plants for Easter. I want to plant them or the bulbs so they come up again next year. Do I let them die off in the pot and store the bulbs for fall? or should I "Plant" the whole plant while it's still in bloom? this is confusing because I know the bulbs have to be planted about 8" deep so how would I do that if I plant the whole plant from the pot without buring half the leaves? And what would be the process of strenghtening the bulbs? How do they get the bulbs that they sell that healthy? Why can't I do the same?

Answer from NGA
April 20, 2001
The entire forcing process is stressful on them. There is also the possibility that a variety was used that is good for forcing but less sturdy in terms of garden performance, so your results may or may not be satisfactory either way.

You can plant them now while they are blooming, even though that will result in a slightly higher planting level than would be preferred. Plant them at the same level or slightly deeper than they are in the pot. This allows the foliage to grow and ripen in the garden where it tends to be healthier and provides better long term results in my experience. If you do this, water as needed to keep the soil barely moist.

You could also keep them growing in the pot, but this is more stressful on the bulbs. Keep the soil barely moist, fertilize occasionally with a water soluble fertilizer for blooming plants, and provide very bright light. The goal is to keep the foliage growing for as long as possible. Once it has faded, stop watering. Unpot the bulbs and remove the withered leaves, store the bulbs in a cool and dry location with good air circulation until fall. Then, plant them as you would newly purchased bare tulip bulbs.

The foliage rebuilds the strength of the bulb and should be allowed to grow as long as possible, then allowed to yellow, ripen and wither naturally before it is removed.

Forcing tulips can be an exacting process, and the commercial operations use selected varieties, specially controlled temperatures, nutritional analyses and a greenhouse to produce the best results. At home, it is a bit more hit and miss.

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