Plant hardy shrub roses, such as rugosas, Explorer roses, Knock Out and New Dawn, and they will come through a Kansas winter with little help. Hybrid teas and other grafted roses from the big-box shelf can live here too, but they need protection each year. The difference comes down to the rose’s type, whether it is grafted, and where in the state the garden sits.
Which roses survive a Kansas winter
The USDA Plant Hardiness Zone Map puts Kansas in zones 5b to 7a. That map rests on one number, the average annual extreme minimum temperature, so it says how cold the worst nights get and nothing about summer heat, wind or wet soil. The northern tier of the state sits at the cold end of the range. The southern counties sit at the warm end.
Rugosa roses and their hybrids clear the whole range easily. They were bred from species native to cold coastlines in northern Asia, and Kansas winters barely register with them. The Explorer series, bred in Canada for much harsher climates, does the same. Both groups are own-root shrubs that bloom on tough canes, so even in a freak winter they sprout back true to type.
Modern landscape shrub roses form the middle tier. Knock Out and its relatives are rated for zone 5, which covers every county here. Hardy old garden roses, such as the Gallicas and Albas, also do well. They bloom once a season, but they have lived for decades in prairie cemeteries and abandoned farmsteads across the Plains.
Hybrid teas, grandifloras and most floribundas are the group that needs help. Across the 5b and 6 parts of the range, their canes often freeze back hard in a normal winter, and a severe one can kill them to the ground. Even in 7a, a rough year can do real damage. A rose that dies back is not always a dead rose, and what regrows depends on whether the plant is grafted (more on that below).
Frost timing matters too. At the Wichita airport weather station, the last spring freeze typically falls between April 4 and April 18, and the first fall freeze between October 23 and November 2. Those are reference-city figures from the NOAA NCEI 1991-2020 Climate Normals, not a statewide guarantee. Suburban and rural gardens often see the last spring frost one to two weeks later and the first fall frost one to two weeks earlier. A rose pruned or fertilized late in the season pushes soft growth that the first hard freeze will burn, so hardy types matter most where fall comes early.
For a full walk-through of care, see our guide to growing roses in Kansas. For what to do once the cold arrives, see Protecting Roses Through a Kansas Winter.
Named roses that hold up here
Names beat generalities at the nursery, so here are the roses with the best track record in this climate. Each is widely sold, and each has been grown across the central Plains long enough to prove itself.
| Rose | Type | What it survives |
|---|---|---|
| Knock Out | Landscape shrub | Rated for zone 5, so it covers the whole state. Canes may die back in a hard winter, and it regrows from the base. |
| Therese Bugnet | Hybrid rugosa | Cold far beyond anything Kansas delivers. Fragrant, double pink blooms in flushes. |
| Hansa | Rugosa | Extremely cold-hardy. Magenta-purple, clove-scented flowers, followed by large red hips. |
| New Dawn | Repeat-blooming climber | Rated for zone 5. Canes can die back in the colder counties, and the plant usually recovers. |
| William Baffin | Explorer climber | Built for far colder climates than any in Kansas. Pink clusters on a vigorous arching plant. |
Knock Out is the safe default for a first rose. It blooms from late spring until frost, does not need deadheading, and handles hot summers. The hardiness rating means canes in northern counties may be killed back in a severe winter, but the plant comes back from the base and flowers on new growth the same year. Cut off the dead wood in spring and carry on.
Therese Bugnet and Hansa are the pair to choose where winters are hardest or where you want to skip winter work altogether. Therese Bugnet is a gentle hybrid with upright, nearly thornless canes, good for a hedge or a mixed border. Hansa is the tougher, thornier of the two. Plant it where its suckering habit can spread, and its hips will feed birds into winter.
New Dawn is the standard recommendation for a climber that blooms more than once. It sets pale blush flowers on a plant that tolerates poorer soil and some shade. Where winters bite hardest, leave the canes tied to their support but check them in spring, since tips may die back and healthy buds lower down will carry the bloom. William Baffin does the same job with even more cold margin.
Many gardeners also grow hardy old garden roses and Canadian shrub roses with names that rarely appear on big-box racks. Ask a local independent nursery or a mail-order grower specializing in cold-hardy roses. Disease behavior is its own topic, covered in Rose Diseases in Kansas: What the Climate Here Actually Brings.
Sold here, but not for this zone
National garden centers load their shelves from the same distribution network whether the store is in Topeka or Tampa. That means roses rated for gentler winters sit on Kansas shelves in spring, priced and displayed no differently from the tough ones. The label rarely says which is which.
Hybrid teas are the biggest example. They are the long-stemmed florist-type roses, and nearly all are grafted. Grandifloras share the same structure. Both do fine for a summer and then need real work to survive the following winter, especially in the northern and western parts of the state where zone 5b conditions hold.
Tree roses (standards) are even riskier. A tree rose is a grafted bush perched on top of a tall trunk, and both the trunk and the graft sit fully exposed to wind and cold. A tree rose left standing in a Kansas winter usually dies above the soil line. The usual fix is to dig it up, tip it over and bury it, or to wrap it heavily, which is a lot of labor for most gardeners.
English-style shrub roses are a gray area. Many sold in big-box stores are bred for milder climates and can lose canes to the ground in colder counties. Some come back fine in the south of the state and struggle in the north, so check the hardiness rating before you buy. Teas, Chinas and other tender classics belong in the same warning group.
Timing adds a second trap. Potted roses sold in March and early April are often already leafed out from greenhouse conditions. A freeze after the last spring frost date (April 4 to April 18 at the reference station, later in many rural gardens) can burn that new growth. Hold off on setting them out, or cover them on cold nights.
If you buy a grafted rose anyway, plan the winter before you plant. Mound soil over the graft union after the ground begins to freeze, and the buds that matter will usually be alive in spring.
What to check on the label before buying
Three details on a rose tag or in a catalog separate a plant that will last from one that will disappoint. The first is the grade. Bare-root roses are sold as No. 1, No. 1½ or No. 2, and the grade describes how heavy and numerous the canes are. A No. 1 rose has the thickest, most numerous canes, which means more stored energy for its first season. Potted roses often skip the grade, so judge by cane thickness and root fill instead.
The second is whether the rose is grafted or grows on its own roots. A grafted rose is a named variety joined to the roots of a different, tougher plant. The joint shows as a knobby swelling at the base of the stem, called the graft union. An own-root rose is a cutting that grew its own roots, so the plant is the same variety from top to bottom. Tags often say “own root” or “grafted” in small print, and catalogs usually spell it out.
That choice matters more the colder the winter. If a hard freeze kills the canes of a grafted rose to the ground, anything that regrows comes from the rootstock, which is a different plant with different flowers, often a thorny, single-bloom shrub. Gardeners sometimes watch it for a year before realizing the named rose is gone. An own-root rose that freezes to the ground regrows as the same variety. In the north and west of the state, own-root is the safer buy.
The third item is the hardiness rating, if the tag gives one. Match it to your zone or one zone colder. When a tag gives no zone at all, treat the plant as a gamble. Look for “own root” and a zone 5 rating before you carry a rose to the register.
Checking this against your own county
The zone range of 5b to 7a spans the whole state, and frost dates shift with elevation, wind exposure and distance from town. Your own garden may sit a half zone colder or warmer than the nearest weather station. Call your county extension office before you commit to a purchase, and ask which roses do well locally.
K-State Research and Extension runs an office in or near every county. Staff know the local soils, the typical last spring frost and first fall frost for your area, and which cultivars have lasted in neighborhood gardens. Many offices also run Master Gardener programs that can answer rose questions.
Common questions
What is the hardiest rose for Kansas?
Rugosa roses such as Hansa and hybrids such as Therese Bugnet are the hardiest. They tolerate cold well beyond anything the state delivers and need almost no winter work. Explorer roses from Canada are in the same league.
Will a hybrid tea survive a Kansas winter?
It can, with protection. Most are grafted, and canes often die back in a normal winter. Mounding soil over the graft union gives the plant its best chance. In zone 7a counties the risk is lower, but a rough winter can still cause damage.
Is Knock Out rose really hardy here?
It is rated for zone 5, which covers every county in the state. In the coldest areas, canes may die back to the ground in a hard winter, and the plant regrows from the base and blooms on new growth.
Should I buy own-root or grafted roses?
Own-root is the better choice where winters are coldest. If a freeze kills the top, an own-root rose regrows as the same variety, while a grafted one can come back as the rootstock. Check the tag or catalog description before buying.