Photo by Melody

PlantFiles: Buttercup Winterhazel
Corylopsis pauciflora

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

2 vendors have this plant for sale.

5 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 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:
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 pods to dry on plant; break open to collect seeds

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4 positives
No neutrals
No negatives

Gardeners' Notes:

Positive coriaceous 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' wide. The branches are slender and fine-textured, much more so than those of the other members of the genus, and the mature size is half that of any other.

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

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

Positive cedar18 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.

Positive mgarr 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.


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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