Data specific to Tulips (Edit)
Division: Div. 1: Single Early
Year Registered: 1750
Spring Bloom Season: Early
Special Classifications: Single-flowered
Historic
Awards: RHS - AGM - Award of Garden Merit

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Plant Height: 12 - 14 inches
Plant Spread: 6 - 9 inches
Leaves: Spring ephemeral
Flowers: Showy
Fragrant
Flower Color: Bi-Color: Red/yellow
Flower Time: Late winter or early spring
Spring
Underground structures: Bulb
Uses: Cut Flower
Propagation: Seeds: Other info: Takes about 6 years from seed to flower.
Propagation: Other methods: Bulbs
Containers: Suitable in 1 gallon
Suitable in 3 gallon or larger
Needs excellent drainage in pots

Image
Common names
  • Single Early Tulip
  • Tulip
Also sold as:
  • Grand Duc

Photo Gallery
Location: southeast Nebraska
Location: southeast Nebraska
Date: 2019-04-18
 Perennial tulip. Yellow/red color remains distinct as bloom ages
Location: southeast Nebraska
 Keizerskroon vs Flair.  Aging blooms. Candy Stripe phlox between
Location: southeast Nebraska 
Date: 2022-04-24
Reblooms reliably.  Historic early blooming tulip.
Location: southeast Nebraska
Date: 2019-04-18
 Perennial tulip. Yellow/red color remains distinct as bloom ages
Location: southeast Nebraska
Date: 2014-04-09
 Keizerskroon vs Flair.  Kz holds colors.  Flair blends to orange
Location: southeast Nebraska
Date: 2016-04-05
 Keizerskroon vs Flair.  Candy Stripe phlox between.

photo by: 阿橋 HQ
Comments:
  • Posted by Marilyn (Kentucky - Zone 6a) on Aug 24, 2014 12:53 AM concerning plant:
    Grow a bit of old tulip history. Although Keizerskroon was introduced in 1750, it's still available for purchase today. This is a charming and beautiful tulip. A treasure and a gem.

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