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Buttercup Winterhazel

Corylopsis pauciflora

Family: Hamamelidaceae
Genus: Corylopsis (kor-uh-LOP-sis) (Info)
Species: pauciflora (PAW-ki-flor-uh) (Info)



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


4-6 ft. (1.2-1.8 m)


6-8 ft. (1.8-2.4 m)


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:

Light Shade


Unknown - Tell us

Bloom Color:

Bright Yellow

Bloom Time:

Late Winter/Early Spring

Mid Spring




Other details:

Unknown - Tell us

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 pods to dry on plant; break open to collect seeds


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

Los Angeles, California

Lawrenceville, Georgia

Lula, Georgia

Belchertown, Massachusetts

Roslindale, Massachusetts

Oyster Bay, New York

Burlington, North Carolina

Portland, Oregon

Tualatin, Oregon

Wilkes Barre, Pennsylvania

Seattle, Washington

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Gardeners' Notes:


On Mar 9, 2014, coriaceous from ROSLINDALE, MA wrote:

A handsome and too infrequently planted shrub. This is the best of the winterhazels for most gardens.

In early spring, soft yellow flowers hang down in profusion from every node---there's a famous planting at Winterthur that features this plant blooming with Korean rhododendron (R. mucronulatum). The flowers more than make up for their small size by the generosity with which they're produced.

Winterhazels have a graceful natural architecture, with regularly zig-zagging silver branches spreading in parallel. Pruning spoils this natural structure. These shrubs are best planted where they can reach their mature size without interference.

Buttercup winterhazel is the smallest and daintiest of the winterhazels, reaching 6' high and spreading to 8' wi... read more


On Mar 25, 2011, carmelia from Mill Valley, CA wrote:

growing c.pauciflora as bonsai. 03-2011 in full bloom.


On Jun 29, 2008, cedar18 from Lula, GA (Zone 7b) wrote:

Planted 9 years ago; it normally blooms the last half of March. Covered in pale yellow flowers; it's a lovely accent in a woodland garden. The April 07 freeze with 3 nights in the 20's damaged it, but it has recovered.


On Nov 30, 2004, mgarr from Hanover Twp., PA (Zone 6a) wrote:

Corylopsis pauciflora has the same growing requirements as Corylopsis sinensis. I grow Corylopsis pauciflora in zone 5 with the protection of a lattice fence that I believe helps stop the wind from hitting the tender stems during the winter. I've only had this growing for two years but it blooms and the flowers are fragrant.