Photo by Melody

PlantFiles: Clematis
Clematis 'H. F. Young'

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Cultivar: H. F. Young
Additional cultivar information: (aka HF Young, Horace Young)
Hybridized by Pennell; Year of Registration or Introduction: 1962

» View all varieties of Clematis

2 vendors have this plant for sale.

18 members have or want this plant for trade.

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Early Large-flowered

8-10 ft. (2.4-3 m)

24-36 in. (60-90 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
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)

Bloom Color:
Pale Yellow
Light Blue

Flower Fragrance:
No fragrance

Bloom Shape:

Bloom Diameter:
Large - 5 to 8 inches (12 to 20 cm)

Bloom Time:
Mid Spring
Mid Fall
Late Fall/Early Winter

Sun Exposure:
Full Sun
Sun to Partial Shade

Other details:
Average Water Needs; Water regularly; do not overwater

Unknown - Tell us

Pruning Groups:
Group 2 - Repeat bloomers; prune immediately after flowering

Patent Information:

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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There are a total of 23 photos.
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4 positives
No neutrals
1 negative

Gardeners' Notes:

Negative annakins On Jan 6, 2014, annakins from Aberdeen, SD wrote:

Have tried this clematis 4 times in 6 years. Even buyng the larger pot size thinking maybe it would do better. Does fine the first year. Each time they have died. Not sure why when there are clematis 1 foot away on either side of them on the fence. Tried different location and the same occurred even with mulching in winter like I do for all my clematis. Going to try a Group 3 clematis of the same color this year instead.

Positive ms_greenjeans On Jun 17, 2010, ms_greenjeans from Hopkins, MN (Zone 4a) wrote:

I currently have 3 varieties of clematis, and this one blooms the best. The flowers are large and the color is really pretty. I'm having trouble keeping this on the trellis because it has gotten so thick and bushy. If I keep up on deadheading this one, it blooms for most of the summer.

Positive happyNdirt On Apr 21, 2009, happyNdirt from Summertown, TN (Zone 7a) wrote:

This is the second year of growth in my garden, and it is already starting to bloom beautifully! The plant is very bushy and healthy, even though I know I don't fertilize as often as I should.

Positive 759lady04 On Apr 20, 2009, 759lady04 from Lufkin, TX wrote:

This Clematis has grown more and more beautiful every year. It is now on it's fourth year in my garden (East Texas zone 8B) and it is stunning. The flowers have held up to a major thunderstorm over the weekend and are unfazed. So, it is tough, beautiful and reliable. The next time I see any more of these for sale I will definately purchase them.

Positive henryr10 On Sep 11, 2004, henryr10 from Cincinnati, OH (Zone 6b) wrote:

Also known as 'Horace Young'.

Large pale blue flowers
with creamy/yellow stamens (center).
When flowers first open they have a pink bar.
Flowers are single or semi-double.

This plant was awarded the Royal Horticultural Society's Award of Garden Merit in 1993.


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

Toney, Alabama
Vincent, Alabama
Aurora, Colorado
Loveland, Colorado
Tampa, Florida
Atlanta, Georgia
Chatsworth, Georgia
Cordele, Georgia
Jonesboro, Georgia
Richmond Hill, Georgia
Granite City, Illinois
Mokena, Illinois
Washington, Illinois
Noblesville, Indiana
Council Bluffs, Iowa
Wichita, Kansas
Barbourville, Kentucky
Minden, Louisiana
Monroe, Louisiana
Gardiner, Maine
Parkville, Maryland
Caledonia, Michigan
Hopkins, Minnesota
Mesilla Park, New Mexico
Brooklyn, New York
Elmira, New York
Southold, New York
Cary, North Carolina
Elizabeth City, North Carolina
Greensboro, North Carolina
Oxford, North Carolina
Cincinnati, Ohio
Dayton, Ohio
Owasso, Oklahoma
Chiloquin, Oregon
Butler, Pennsylvania
Eighty Four, Pennsylvania
West Newton, Pennsylvania
Wyoming, Rhode Island
Germantown, Tennessee
Hendersonville, Tennessee
Knoxville, Tennessee
Summertown, Tennessee
Austin, Texas
Gilmer, Texas
Harper, Texas
Lufkin, Texas
Willis, Texas
West Dummerston, Vermont
Chantilly, Virginia
Norfolk, Virginia
Spokane, Washington
Union, Washington
West Bend, Wisconsin

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