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PlantFiles: Spike Winter Hazel
Corylopsis spicata

Family: Hamamelidaceae
Genus: Corylopsis (kor-uh-LOP-sis) (Info)
Species: spicata (spi-KAH-tuh) (Info)

2 vendors have this plant for sale.

3 members have or want this plant for trade.


4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Sun to Partial Shade


Bloom Color:
Bright Yellow

Bloom Time:
Late Winter/Early Spring


Other details:
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
From softwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds

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By Carkeekfish
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No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral smiln32 On Nov 29, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

This wide-spreading bush is an early bloomer. It has soft yellow flowers (catkin-like) which have a light fragrance. Originates in Japan. Prefers sun to partial shade.
Late frost(s) may have a negative effect on flowering, though.


This plant has been said to grow in the following regions:

Palmetto, Georgia
Bridgewater, Massachusetts
Roslindale, Massachusetts
Millbrook, New York
Oyster Bay, New York
Lexington, Virginia
Langley, Washington
Olympia, Washington
Seattle, Washington

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