Photo by Melody

PlantFiles: Clematis
Clematis 'Ernest Markham'

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Cultivar: Ernest Markham

» View all varieties of Clematis

7 vendors have this plant for sale.

6 members have or want this plant for trade.


6-8 ft. (1.8-2.4 m)

24-36 in. (60-90 cm)

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:
Magenta (Pink-Purple)
Scarlet (Dark Red)

Flower Fragrance:
No fragrance

Bloom Shape:

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

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

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
Group 3 - Summer/Fall bloomers; prune hard in early spring

Patent Information:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
By simple layering
By tip layering

Seed Collecting:
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By nightowl2
Thumbnail #1 of Clematis  by nightowl2

By RavenCroft
Thumbnail #2 of Clematis  by RavenCroft

By DebinSC
Thumbnail #3 of Clematis  by DebinSC

By Kell
Thumbnail #4 of Clematis  by Kell

By killdawabbit
Thumbnail #5 of Clematis  by killdawabbit

By marsrover
Thumbnail #6 of Clematis  by marsrover

By kentstar
Thumbnail #7 of Clematis  by kentstar

There are a total of 8 photos.
Click here to view them all!


3 positives
2 neutrals
1 negative

Gardeners' Notes:

Neutral kentstar On Jun 7, 2011, kentstar from Ravenna, OH (Zone 5b) wrote:

Had this one in the ground now for two years, no blooms yet! I have pruned hard the last couple years so we'll see if I get any this fall?

Ernest now blooms beautifully every year! The last couple of years I tried pruning as a group 3 which works very well. This year I am experimenting with pruning as a group 2. We'll see what happens! May 2014

Negative Rachele On Sep 25, 2006, Rachele from revelstoke
Canada wrote:

i have grown many types of clematis over the years & have never had a problem with them flowering. This is the third summer Ive had this one, pruned it hard early spring, its roots are shaded it grows like crazy but has never had one bloom, Any suggestions? Thank-you! Rachele

Neutral mystic On Sep 21, 2006, mystic from Ewing, KY (Zone 6a) wrote:

Received The Royal Horticultural Society, Award of Garden Merit (AGM) in 1993.

Positive RavenCroft On Jul 3, 2006, RavenCroft from Jordan, NY (Zone 6a) wrote:

Love this clematis! Mine is a vivid, intense magenta & the blooms are huge, 5 - 6". Growing to almost 15 feet here (Syracuse, NY, zone 5) it likes a bit of a raised bed for good drainage, but needs routine watering. Never had any wilt problems & I've had it about 9 - 10 years now. Blooms profusely starting in mid to late June in my area & continues thru August. Then, when I think my garden is almost at an end for the season , Ernest Markham will gives me a last hurrah of the summer in September. Blooms aren't quite as big, but it is still very showy. No pest problems or diseases noted.

Positive Marlina On Jul 30, 2005, Marlina from Blaine, MN (Zone 4b) wrote:

I have two of these blooming for the first time. I planted them this spring. I am slightly disappointed in that they look so much like Villa De Lyon I just hope they weren't mismarked....I already had several of the other ..very pretty though

Positive StarGazey26 On Jul 11, 2005, StarGazey26 from (Zone 10a) wrote:

I love this clematis, it is very very nice, and has a big flower, very showy along with my Clematis, Jan Pawell II, I think thats how u spell it? They both are beautiful. I will post some pics of Ernest when he blooms again! Very fast grower too.


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

Long Beach, California
San Leandro, California
Solvang, California
Marietta, Georgia
Marshalltown, Iowa
Caledonia, Michigan
Trenton, Michigan
Circle Pines, Minnesota
Red Wing, Minnesota
Columbia, Missouri
Helena, Montana
Syracuse, New York
Delaware, Ohio
Ravenna, Ohio
Mount Hood Parkdale, Oregon
Allentown, Pennsylvania
Lansdowne, Pennsylvania
Summerville, South Carolina
Christiana, Tennessee
Galveston, Texas
Paris, Texas
Willis, Texas
Ames Lake, Washington
Hales Corners, Wisconsin
Mc Farland, Wisconsin

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