Hybrid Kordesii, Shrub Rose
Rosa 'Champlain'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Champlain
Additional cultivar information:(Explorer Series Collection; aka Samuel Champlain)
Hybridized by Svejda
Registered or introduced: 1973
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Class:

Shrub

Height:

36-48 in. (90-120 cm)

Spacing:

36-48 in. (90-120 cm)

Hardiness:

USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

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:

Dark red (dr)

Bloom Shape:

Semi-double

Flower Fragrance:

Slightly Fragrant

Bloom Time:

Late Spring/Early Summer

Blooms repeatedly

Habit:

Shrub

Patent Information:

Non-patented

Other Details:

Susceptible to mildew

Avoid chemical sprays

Pruning Instructions:

Blooms on new wood; prune early to promote new growth

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

Regional

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

Delta, Colorado

La Salle, Illinois

Niles, Illinois

Macy, Indiana

Coushatta, Louisiana

Saint Louis, Missouri

Aurora, Ohio

Madison, Wisconsin

Waukesha, Wisconsin

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Gardeners' Notes:

5
positives
3
neutrals
0
negatives
RatingContent
Neutral

On Dec 10, 2010, tgwWhale from Casco, WI wrote:

This rose is pretty and red and quite hardy, as advertised, In Wisconsin I would get it through the winter by burying it in mulch.

I gave it a neutral rating because I really disliked the growth habit. It likes to send out a branch with a large cluster of flowers out on the end. The weight of the flowers would cause the branches to sag down to the ground, and if it rained, the water in all those flowers at the end of the branches would inevitably weight them down into the mud.

Also, in my garden it proved susceptible to black spot. So although it is a nice rose, I culled mine out after several years, and I give it a neutral rating.

Neutral

On Nov 7, 2006, Redkarnelian from Newmarket, ON (Zone 5a) wrote:

Canadian "Explorer" series rose.

Positive

On Aug 24, 2006, rannveig from (Zone 5a) wrote:

I bought this rose this spring so it has yet to survive an icelandic winter in my garden - hoping it'll do well because the flowers are just beautiful.

Positive

On Feb 18, 2006, TBGDN from (Zone 5a) wrote:

I've grown this beautiful rose for nearly ten years in the worst kinds of winter weather, and hot humid summers. It has never failed to grow and bloom beautifully with minimal care. Knowing it was Canadian bred was a factor in buying it (due to harsh winters here). It has never had any type of winter protection and has withstood temperatures a low as -22F. A good choice for worry-free gardening.

Positive

On Oct 30, 2005, apa_hari from Waukesha, WI wrote:

A wonderful plant with lot of bright red blooms from June until heavy frost. In my garden, it is very resistant to black spot and powdery mildew. Lot of buds even when winter is nearing and very tough plant to survive. It dies back to the snow line but once pruned, it comes out very well. I have two of them and I intend to have more and the cuttings root very easily.

Positive

On Mar 3, 2005, northgrass from West Chazy, NY (Zone 4b) wrote:

One of my favorite, always in bloom with beautiful red flowers. It does suffer some winter damage however but since it is grown on its own root and not grafted, after I prune it in the spring, it rebounds nicely.

Positive

On Jul 6, 2004, llebpmac_bob from Zephyr
Canada wrote:

Excellent clear red colour and good flower form. Seems to bloom from mid-June until heavily frosted. In my garden I've seen it covered in ice in the morning and still popping open buds in the warmer afternoon. Not a large bush but very tough. Not prone to blackspot in my garden.

Neutral

On Jun 8, 2004, Paulwhwest from Irving (Dallas area), TX (Zone 8a) wrote:

Bred in Canada. Won the Classic Shrub Rose award four times from 1999-2001, and the Shrub award from the Patrick Henry Rose Society in 2001.

Parentage:
Seed: R. kordesii x Seedling
Pollen: Red Dawn x Suzanne