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The Top 13 Most Drought Tolerant Roses for Your Garden

The Top 13 Most Drought Tolerant Roses for Your Garden

Article: The Top 13 Most Drought Tolerant Roses for Your Garden


Garden Journal • Water-Wise Roses

The Blue Ribbon Roses: Beautiful Roses for a Lower-Water Garden

What UC Davis’ Climate-Ready Landscape Trials teach us about roses that can stay beautiful, bloom generously, and perform with less summer irrigation.

Roses have carried a slightly dramatic reputation for years: too thirsty, too fussy, too demanding, too precious for real-life landscapes. But modern trialing is telling a much more hopeful story.

Through the UC Landscape Plant Irrigation Trials™ and the broader Climate-Ready Landscape Plants project, researchers have been studying which ornamental plants can remain beautiful under reduced irrigation. And wonderfully for rose lovers, several roses have earned the program’s coveted Blue Ribbon™ designation.

Grace Rose Farm Note: A water-wise rose garden does not have to feel sparse, beige, or joyless. The right roses can still bring color, romance, pollinators, and a full garden feeling—while helping gardeners make smarter choices with summer water.

What Is the UC Davis Blue Ribbon™ Program?

The Blue Ribbon™ designation is awarded through the UC Landscape Plant Irrigation Trials™ to plants that maintain strong ornamental performance under low irrigation. In the trials, plants are evaluated for overall appearance, flowering, foliage quality, vigor, pest tolerance, and disease resistance.

To receive the Blue Ribbon™ award, a plant must maintain an average overall appearance score of 4 or higher while growing under the low-water treatment. In plain garden language: these are plants that still looked beautiful when water was intentionally limited.

For rose gardeners in hot-summer climates, dry regions, or areas where water conservation matters, that is incredibly useful information.

Why This Matters for Rose Gardeners

Drought tolerance in roses is not just about survival. A rose can technically survive stress and still look tired, sparse, burned, or bloomless. The exciting part of the Blue Ribbon™ trials is that they focus on beauty and performance—not just whether the plant stayed alive.

That means the winning roses were not simply “tough enough.” They were still garden-worthy. They held their form, continued flowering, and kept enough foliage quality to remain attractive in the landscape.

  • Low-water performance: Roses evaluated under reduced irrigation.
  • Ornamental beauty: Scored for overall appearance, bloom, foliage, vigor, pest tolerance, and disease resistance.
  • Practical garden value: Useful for landscapes where water conservation is a priority.
  • Modern rose breeding: A reminder that today’s landscape roses can be far more resilient than old rose stereotypes suggest.

The Complete UC Davis Blue Ribbon™ Rose Collection

These roses earned Blue Ribbon™ recognition through the UC Landscape Plant Irrigation Trials. Each rose was trialed in full sun and maintained a score of 4.0 or higher under low-water conditions.

Rose Cultivar Score Year
Oso Easy® Urban Legend® Rosa 'ChewPatout' 4.0 2022
Kardinal Kolorscape® Rosa 'KORsixkono' 4.1 2015
Limoncello™ Rosa 'Meijecycka' 4.1 2019
Icecap™ Rosa 'Meiradena' 4.4 2017
Brick House® Rosa 'Meitraligh' 4.1 2019
White Drift® Rosa 'Meizorland' 4.0 2017
Pink Supreme Flower Carpet® Rosa 'NOA168098F' 4.0 2020
Pink Knock Out® Rosa 'Radcon' 4.3 2018
Double Knock Out® Rosa 'Radtko' 4.0 2017
White Knock Out® Rosa 'Radwhite' 4.3 2019
Brick House® Pink Rosa 'Sprogreatpink' 4.0 2021
Pretty Polly® Pink Rosa 'Zlepolone' 4.0 2021
Pretty Polly® White Rosa 'Zlepoltwo' 4.1 2021
Blue Ribbon™ Winner • 2022

Oso Easy® Urban Legend® Rose

Cultivar: Rosa 'ChewPatout'

UC Davis Score: 4.0

Oso Easy® Urban Legend® is one of the newest roses to earn Blue Ribbon™ recognition. It brings vibrant color, strong landscape performance, and a modern, easy-care habit to the water-wise garden.

Best Uses: Foundation plantings, pollinator gardens, mass plantings, and low-maintenance landscapes.

Blue Ribbon™ Winner • 2015

Kardinal Kolorscape® Rose

Cultivar: Rosa 'KORsixkono'

UC Davis Score: 4.1

Kardinal Kolorscape® produces rich red blooms against handsome foliage. Its strong drought tolerance and landscape durability helped establish it as an excellent choice for warm-climate gardens.

Best Uses: Accent plantings, hedges, commercial landscapes, and high-impact color displays.

Blue Ribbon™ Winner • 2019

Limoncello™ Rose

Cultivar: Rosa 'Meijecycka'

UC Davis Score: 4.1

Limoncello™ brings cheerful yellow blooms and repeat flowering to the water-wise garden. Its sunny color creates a bright focal point while maintaining strong performance under reduced irrigation.

Best Uses: Cottage gardens, mixed borders, pollinator gardens, and bright color-themed plantings.

Blue Ribbon™ Winner • 2017

Icecap™ Rose

Cultivar: Rosa 'Meiradena'

UC Davis Score: 4.4

Icecap™ earned one of the highest scores among the Blue Ribbon™ roses. Its clean white blooms, abundant flowering, and excellent garden performance make it one of the most dependable landscape roses available.

Best Uses: White gardens, moon gardens, foundation beds, and mass plantings.

Blue Ribbon™ Winner • 2019

Brick House® Rose

Cultivar: Rosa 'Meitraligh'

UC Davis Score: 4.1

Brick House® features deep brick-red blooms and excellent landscape toughness. It delivers rich color throughout the season while thriving with reduced water inputs.

Best Uses: Rose hedges, focal points, foundation beds, and bold landscape color.

Blue Ribbon™ Winner • 2017

White Drift® Rose

Cultivar: Rosa 'Meizorland'

UC Davis Score: 4.0

White Drift® is a low-growing groundcover rose that blankets the garden with bright white blooms. Its compact habit and drought tolerance make it especially valuable in smaller landscapes.

Best Uses: Borders, pathways, slopes, containers, and front-of-bed plantings.

Blue Ribbon™ Winner • 2020

Pink Supreme Flower Carpet® Rose

Cultivar: Rosa 'NOA168098F'

UC Davis Score: 4.0

Pink Supreme Flower Carpet® produces waves of vibrant pink blooms throughout the growing season while requiring remarkably little fuss in the landscape.

Best Uses: Mass plantings, slopes, public gardens, and large landscape installations.

Blue Ribbon™ Winner • 2018

Pink Knock Out® Rose

Cultivar: Rosa 'Radcon'

UC Davis Score: 4.3

Pink Knock Out® combines repeat bloom, disease resistance, and proven drought tolerance. Its softer pink color makes it easy to blend into romantic and casual garden designs.

Best Uses: Easy-care landscapes, foundation beds, long-season color, and mixed rose borders.

Blue Ribbon™ Winner • 2017

Double Knock Out® Rose

Cultivar: Rosa 'Radtko'

UC Davis Score: 4.0

Double Knock Out® continues to set the standard for landscape roses. Its fuller blooms provide a more traditional rose appearance while maintaining exceptional toughness.

Best Uses: Hedges, specimen plantings, commercial landscapes, and mixed borders.

Blue Ribbon™ Winner • 2019

White Knock Out® Rose

Cultivar: Rosa 'Radwhite'

UC Davis Score: 4.3

White Knock Out® offers season-long flowering, clean white color, and excellent garden durability. It is especially useful when gardeners want a lighter, brighter landscape rose.

Best Uses: White gardens, formal plantings, mixed borders, and foundation landscapes.

Blue Ribbon™ Winner • 2021

Brick House® Pink Rose

Cultivar: Rosa 'Sprogreatpink'

UC Davis Score: 4.0

Brick House® Pink combines the durability of the Brick House® family with cheerful pink flowers that stand out beautifully in the summer landscape.

Best Uses: Cottage gardens, pollinator gardens, colorful mixed borders, and high-performing rose beds.

Blue Ribbon™ Winner • 2021

Pretty Polly® Pink Rose

Cultivar: Rosa 'Zlepolone'

UC Davis Score: 4.0

Pretty Polly® Pink is a compact polyantha-style rose with clusters of charming pink blooms. It brings flower power in a manageable size and fits beautifully into smaller gardens.

Best Uses: Front borders, containers, cottage gardens, and small-space landscapes.

Blue Ribbon™ Winner • 2021

Pretty Polly® White Rose

Cultivar: Rosa 'Zlepoltwo'

UC Davis Score: 4.1

Pretty Polly® White delivers clusters of bright white blooms on a compact shrub. Its clean appearance and drought tolerance earned it Blue Ribbon™ recognition.

Best Uses: Moon gardens, border edging, containers, and white-themed plantings.

Top Performing Blue Ribbon™ Roses by Score

How to Use Blue Ribbon™ Roses in a Grace Rose Garden

Plant Them in Repeating Drifts

Water-wise roses often look best when used with intention. Instead of planting one here and one there, repeat the same variety in groups of three, five, or more. This creates a soft ribbon of color and makes the garden feel designed rather than dotted.

Pair Them with Drought-Tolerant Companions

Blue Ribbon™ roses are beautiful anchors for a lower-water border. Pair them with plants like catmint, lavender, salvia, yarrow, lamb’s ear, ornamental grasses, agastache, and penstemon for a layered garden that supports pollinators and handles summer heat gracefully.

Use Mulch Like It Matters—Because It Does

Even drought-tolerant roses need help getting established. A generous mulch layer helps cool the soil, reduce evaporation, moderate temperature swings, and support healthier roots.

Water Deeply, Not Constantly

The lesson from low-water trials is not that roses need no water. The lesson is that the right roses, once established, may perform beautifully with less frequent irrigation. Deep, thoughtful watering encourages roots to grow downward and helps roses become more resilient.

Design Tip: For a romantic water-wise rose garden, combine White Drift®, Pretty Polly® White, or Icecap™ at the front of the bed, add Brick House® Pink or Pretty Polly® Pink through the middle, and weave in airy perennials like catmint, salvia, yarrow, and ornamental grasses.

The Future of Water-Wise Roses

Modern rose breeding has changed what gardeners can expect from a rose. Today’s best landscape roses are not only selected for bloom color and flower form, but also for disease resistance, vigor, repeat flowering, and resilience under real garden conditions.

That matters because the future of roses is not only about bigger blooms or rarer colors. It is also about regional performance, lower-water landscapes, pollinator value, and beauty that can endure a changing climate.

At Grace Rose Farm, we believe roses belong in real gardens: family gardens, hot gardens, busy gardens, small gardens, collector gardens, and landscapes where water matters. Trial programs like UC Davis’ Blue Ribbon™ work help gardeners choose roses with more confidence.

Why Blue Ribbon™ Roses Belong in the Modern Rose Garden

  • They help challenge the myth that all roses are high-water plants.
  • They offer trial-backed confidence for gardeners in dry or hot-summer regions.
  • They bring repeat bloom and ornamental value to water-conscious landscapes.
  • They pair beautifully with drought-tolerant perennials and shrubs.
  • They make it easier to build a rose garden that feels both romantic and responsible.

Blue Ribbon™ roses remind us that beauty and practicality do not have to live on opposite sides of the garden path. With thoughtful variety selection, good soil preparation, mulch, and deep watering, roses can remain part of a more climate-ready landscape.

And that may be the most encouraging truth of all: a water-wise garden can still be romantic. It can still be full of roses. It can still feel abundant, fragrant, colorful, and alive.

Happy Gardening!
Heidi

Written by Heidi Mortensen


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