Clematis, Early Large-flowered Clematis 'H. F. Young'

Clematis

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Clematis (KLEM-uh-tiss)
Synonym
Hardiness
Sun Exposure
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Bloom Time
Sun Exposure
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Other details
Propagation Methods
Seed Collecting
Flower Fragrance
Patent Information
Bloom Shape
Pruning Groups
Bloom Diameter
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Seed Collecting
Fruit Shape
Fruit Size
Fruit Colors
Growing Habit
Days to Maturity
Seed Type
Disease Resistance
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Other details
Propagation Methods
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

This plant is said to grow outdoors 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

Hattiesburg, Mississippi

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

Mantua, Ohio

Owasso, Oklahoma

Chiloquin, Oregon

Allentown, Pennsylvania

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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Featured Videos

Gardener's Notes:

5
positives
1
neutral
1
negative
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C
ROSLINDALE, MA | March 2016 | neutral

Blackened crispy leaves are often due to a common fungal disease called clematis wilt. Large-flowered clematis are more prone to clematis...Read More

R
Atlanta, GA (Zone 7b) | April 2015 | positive

I have four H.F. Young clematis growing on a chain link fence. Three of them really took off and bloomed like crazy this year (third yea...Read More

A
Aberdeen, SD | January 2014 | negative

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. ...Read More

M
Hopkins, MN (Zone 4a) | June 2010 | positive

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 havin...Read More

H
Summertown, TN (Zone 7a) | April 2009 | positive

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, eve...Read More

7
Lufkin, TX | April 2009 | positive

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 stu...Read More

H
Cincinnati, OH (Zone 6b) | September 2004 | positive

Also known as 'Horace Young'.

Large pale blue flowers
with creamy/yellow stamens (center).
When flowers fi...Read More

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