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Forcing Hyacinth Bulbs Indoors

Keyword: forcing bulbs, how to force bulbs indoors

Instructions

  • Chill The Bulbs: To grow hyacinth bulbs indoors, you’ll need to either purchase pre-chilled bulbs or chill them yourself. You can find pre-chilled bulbs at many florist shops or online. If you cannot find pre-chilled bulbs, you can chill them yourself in a cold frame, cool garage, or refrigerator.

    Chill the bulbs for 8-12 weeks at 35-45 degrees F. Do not expose the bulbs to freezing temperatures. If storing in the refrigerator, place inside a paper bag and do not store next to fruit as they will emit a gas that can rot the bulbs.
  • Plant the bulbs: You can plant your hyacinth bulbs in almost any jar or vessel. Use potting soil, pebbles & water, or just water! You can use forcing jars or another type of vessel or pot.

    To plant the bulb, nestle it into potting soil or pebbles, then fill with water until the water line rests 1/4” below the bulb. Water periodically as needed to keep the water line just below the base of the bulb, and keep in a cool place with very little light until 2” shoots have emerged.
  • Force the Hyacinth Flower

    Once shoots have emerged, you can begin transitioning the plant to more and more sunlight. Do this over a time span of about a week - essentially you are faking “spring” for the bulbs.

    Continue to water as needed, and rotate to promote straight stem growth. After about a week, you can move the plant into your room-temperature home. Place next to a sunny window and rotate every few days for best results.

    The hyacinth will bloom approximately 4 weeks after removing from cold storage, and will last for about 2 weeks.
  • After flowering: Unfortunately the stress of forcing hyacinth will not permit the bulb to bloom a second time, and the bulb should be composed after it is finished with its flowering show!

Notes

You can apply all of these steps to bulbs that require chilling such as: tulips, daffodils, and ranunculus.