Photo by Melody

PlantFiles: Large Flowered Climbing Rose
Rosa 'Blaze'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Blaze
Additional cultivar information: (PP10, aka Climbing Blaze)
Hybridized by Kallay; Year of Registration or Introduction: 1932

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One vendor has this plant for sale.

15 members have or want this plant for trade.

Modern Climber

10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Bloom Color:
Medium red (mr)

Bloom Shape:

Flower Fragrance:
Slightly Fragrant

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

Trained to climb
Trained as rambler

Patent Information:
Patent expired

Other Details:
Resistant to rust
Stems are moderately thorny

Pruning Instructions:
Blooms on old wood; prune after flowering

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
By grafting
By budding

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to view:

By anix
Thumbnail #1 of Rosa  by anix

By Songbird839
Thumbnail #2 of Rosa  by Songbird839

By berrygirl
Thumbnail #3 of Rosa  by berrygirl

By jules_jewel
Thumbnail #4 of Rosa  by jules_jewel

By anix
Thumbnail #5 of Rosa  by anix

By MiniPonyFarmer
Thumbnail #6 of Rosa  by MiniPonyFarmer

By TheAngelGirl
Thumbnail #7 of Rosa  by TheAngelGirl

There are a total of 11 photos.
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6 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive bstnh1 On Jul 11, 2014, bstnh1 from Farmington, NH wrote:

I've had several Blaze climbers over the years at different locations. They do fine in Zone 4 with no protection whatsoever. I planted one in the Spring of 2013, got a few blooms, and nothing the rest of the year. This Spring (2014) it took off and it's loaded with bright red roses. Give it good, well prepared soil, fertilizer and water and you won't be disappointed with its performance.

Positive sunshimmer On May 23, 2013, sunshimmer from Shamokin, PA (Zone 6b) wrote:

I have had this climbing rose for 3 years now. I have it in full sun growing up a trellis with golden showers climbing rose next to it. The first year it didn't do much. Last year it grew about 4ft and had a few blooms. This year I added a soaker hose to my garden and also used liquid fertilizer on it as well as sprinkling 10-10-10 at the root zone. It is now about 8ft and has tons of buds on it already and it's just the beginning of the growing season. Last year it had a few blooms at a time, but this year it is covered in buds. Can't wait to see how great it will be this year. No problems or issues with it, other than a slow start. Oh, also..train it horizontally across the trellis in zig zag for better and more blooms. Fantastic!

UPDATE: June-2014:This winter has been pretty severe in my area. Not to mention the crazy ups and downs of our temps from below freezing up to the 70's in one day all early spring. This rose came through with flying colors. Very little damage when many other plants had lots. It has leafed out and is now blooming profusely. This year it did get blackspot pretty bad already with our wet spring weather. Sprayed it and am hoping it recovers from the blackspot and keep on a bloomin. LOVE this rose!

Positive LauraSteele On Nov 12, 2010, LauraSteele from Fort Wayne, IN wrote:

My great-grandfather planted this rose in 1933 in front of our garage. I have a picture of my father (age 4) and behind him is that rose at about 3' tall starting to go up the trellis. I went over to Dad's house several years ago and he asked what I'd been doing. My arms were all scratched and bleeding. I told him that I'd been pruning the "demon rose". He just laughed himself silly. When I asked him what was so funny, he told me that he'd always hated that rose, too. It was Dad's chore, growing up, to prune it so he could, literally, feel my pain. The rose is now about 75 years old, healthy, huge and as cantankerous as ever. The rose is so large (it outgrew the trellis about 30 years ago) it just goes up onto the garage roof and lays there, blooming like mad, throughout the summer. It's now the middle of Nov. and blooms are still coming on. It gets morning and early afternoon sun but shade through the hottest part of the day, it gets watered when it rains, fertilized twice a season with 10-10-10, and pruned to control direction of growth and remove dead canes and spent blossoms. I think it's about time to teach my daughter how to "prune" this monster...

Neutral Joan On Apr 4, 2009, Joan from Belfield, ND (Zone 4a) wrote:

Editor's Note

Plant Patent number 10 has expired
Positive greekbecky On Mar 18, 2009, greekbecky from Pittsford, NY wrote:

This is a special rose for me as it was developed in my hometown of Mentor, Ohio.

From the Mentor Historical Society:


U.S. Patent No. 10 issued to the first ever-blooming climbing rose, Blaze, developed in Mentor by Joseph W. Kallay. Mentor is known as the Rose Capital of the Nation.

Positive berrygirl On Dec 19, 2005, berrygirl from Braselton, GA (Zone 7b) wrote:

This is my very first rose and I just love it. The only minus for me is its lack of fragrance. The pic I posted is about 3 yrs old and the rose has been growing there for about 4 yrs. It is in semi-shade and is virtually care-free. I feed it with eggshells, banana peels and give it one dose of all-purpose rose food in the Spring. It does get a little blackspot in mid to late summer, but it doesn't seem to harm it. Mine would be a huge monster if I didn't keep it pruned. Now it has a sweet autumn clematis growing in it. I hope to post more pics when it blooms next year.

Positive anix On Apr 30, 2004, anix from Houston, TX wrote:

I'm in love. I purchased this plant for under $3 at the local grocery store last summer. It's taken off and is covered in clusters of 8 - 9 blooms. What a beautiful and so far disease resistant rose. I can't wait to watch it take over and blanket the fence line with beautiful red blooms. Take a peek at the pictures !

Neutral Sis On Mar 21, 2002, Sis wrote:

Blaze is a good performer all around. Its highly disease resistant. It is a climber and will grow 10ft. to 15ft. The flowers are deep red and highly fragrant. It does have thorns, so careful when taking out diseased, dying or dead canes. It is heat tolerant and does well in drought situations.

When caring for roses use the 3D Rule: Only remove the Dead, Dying and Diseased canes.

Exception: When pruning to open the canopy on other roses (Hybrid Teas for example).


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

Phoenix, Arizona
Scottsdale, Arizona
Denver, Colorado
Oxford, Connecticut
North Port, Florida
Braselton, Georgia
Norcross, Georgia
Westchester, Illinois
Corydon, Indiana
Evansville, Indiana
Andover, Kansas
Lansing, Kansas
Coushatta, Louisiana
Echo, Louisiana
Takoma Park, Maryland
Beverly, Massachusetts
Dover, New Hampshire
Farmington, New Hampshire
Los Alamos, New Mexico
Pittsford, New York
Wake Forest, North Carolina
Lima, Ohio
Harleysville, Pennsylvania
Shamokin, Pennsylvania
Germantown, Tennessee
Hixson, Tennessee
Knoxville, Tennessee
Garland, Texas
Gilmer, Texas
Harker Heights, Texas
Houston, Texas
New Caney, Texas
Plano, Texas
South Hero, Vermont
Madison, Wisconsin

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