Living · 6 pages · 12 min

Why tulips fade in warm winters

A tulip bulb expects a cold winter to reset it, and a warm winter leaves that reset unfinished.

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From the opening

Many garden tulips need a long cold period in the bulb before they will make a proper stem and flower. Where winter stays warm, that reset is short or missing, so the bulbs bloom weakly and then decline instead of settling in. The opening covers the bulb needs a cold reset, a weak bloom leaves a smaller store, and mild-climate types need less chill.

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Inside

  • The bulb needs a cold reset
  • A weak bloom leaves a smaller store
  • Mild-climate types need less chill
  • Why daffodils may still return
  • Where the idea stops applying
  • A distinction worth keeping

Sources

  • Cold requirement for tulip stem elongation
  • Bulb decline where winters do not satisfy chill