Roses are forgiving shrubs in Nevada, provided you set your planting date by your own elevation and not by the state as a whole. Bare-root roses go in while dormant, potted ones once the soil warms, and the frost calendar from the Las Vegas valley to the mountain valleys differs by months. Choose varieties that match your heat or cold, water deeply, and expect aphids and earwigs more than exotic disease. The How to Grow Roses: The Complete Guide covers the basics. This page covers what changes here.
When to plant Roses in Nevada
Reading the frost numbers
Only one Nevada station is in our verified data: the Las Vegas airport, from the NOAA NCEI U.S. Climate Normals for 1991-2020. In those 32F freeze probabilities, the 30-70% band for the last spring freeze runs from January 7 to February 1. The band for the first fall freeze runs from December 8 to December 23.
Do not use those dates for your yard unless you live on the floor of the Las Vegas valley. That airport sits in a desert urban heat island, which makes it the mildest extreme in the state. Reno, Carson City and every higher-elevation garden see their last spring freeze months later and their first fall freeze months earlier. A rose planted on a Las Vegas schedule in a Carson Valley yard would meet a hard freeze on fresh growth.
So the working rule is simple. Get your local average last-frost date from your county extension office, then count back from it. Nobody can give one honest planting date for a state that stretches from low desert to Sierra foothills and high basin ranges.
Counting back: bare-root, potted and seed-grown roses
Most people buy roses as bare-root plants, which show up in garden centers and mail-order boxes in late winter and early spring. Dormant canes tolerate cold well, so the target is to plant as soon as the soil is workable (not frozen, not soggy), usually two to four weeks before your average last frost. Soak the roots in a bucket for 12 to 24 hours first. In a cold area, mound soil or mulch over the canes after planting to protect the first buds from a late freeze.
Potted roses from a nursery can go in any time the ground is workable and the weather is moderate. In cold-winter areas, wait until after your last frost. If the plant has been sheltered in a greenhouse and has soft, leafy growth, harden it off for 7 to 10 days, adding a little more sun and wind each day. In the low desert, spring and fall are the comfortable planting seasons. Planting in June through August asks a new root system to survive 100F-plus afternoons. Fall planting in mild-winter areas gives roots a cool season to establish. In cold-winter areas it leaves too little time, and spring is safer.
Growing from seed (rose hips) is a hobbyist project. Seedlings from hybrid roses do not come true to the parent, and the seeds usually need six to twelve weeks of cold, moist stratification in the refrigerator. For the arithmetic, take a hypothetical last-frost date of May 15 (an example, not a Nevada forecast). Seedlings grown indoors for about eight weeks need sowing around March 20. Eight weeks of stratification before that puts the seeds in the refrigerator around January 23. Change the starting date, and every other date moves with it.
Soil and site preparation
Roses want at least six hours of direct sun, and morning sun matters most because it dries dew off the leaves. In the low desert, afternoon shade from a building or tree in July and August prevents scorched petals and exhausted plants. Watch out for west-facing walls and gravel, which bounce heat back onto the canes. At elevation, the opposite holds: take every hour of sun you can get, and put the bed where wind will not whip the canes all winter.
Texture and drainage decide more than fertility. Roses like a loose, loamy soil that drains freely yet holds some moisture. Across much of the arid West, garden soils run alkaline and low in organic matter, which locks up iron and yellows the leaves. Hard, compacted layers below the surface are common too. A soil test through your county extension office tells you pH and nutrient levels, so you are not guessing. For drainage, dig a hole about 18 inches deep and fill it with water. If it is still standing a day later, build a raised bed or choose a different spot.
Start four to six weeks before planting. Mark the bed, break up compaction to a depth of 18 to 24 inches, and blend in a few inches of compost across the whole bed, not only the planting hole. A hole of pure compost behaves like a flowerpot, and roots may refuse to leave it. Lay out drip irrigation now and let the soil settle after a good soaking.
On planting day, dig the hole twice as wide as the root mass and deep enough that the roots spread without bending. Where winters are hard, set the graft union (the knobby swelling at the base of the canes) about an inch or two below soil level. In mild-winter areas, set it at or just above the surface. Space hybrid teas and floribundas roughly 2 to 3 feet apart, larger shrub roses 3 to 4 feet, and give climbers 6 to 8 feet of wall or fence. Crowded roses stay damp and breed mildew, even in a dry climate.
Varieties that suit Nevada
Three traits sort the options. The first is winter hardiness: gardeners in the high valleys need roses that survive deep freezes, while Las Vegas gardeners worry more about summer heat stress. The second is bloom habit. Repeat bloomers deliver flowers from late spring to frost, which matters when the season is short, while once-blooming old roses give one spectacular flush. The third is disease resistance. A dry climate reduces black spot, but powdery mildew still shows up where nights are cool and plants are crowded. Gardeners in the Intermountain West can compare notes with Growing Roses in Idaho: Planting Dates, Varieties and Local Pests and Growing Roses in Wyoming: Planting Dates, Varieties and Local Pests, since those cold-hardy lists overlap with northern and high-elevation Nevada.
| Variety | Type | Good for |
|---|---|---|
| Knock Out series | Shrub | Low-maintenance repeat bloom, strong disease resistance, handles heat |
| Carefree Beauty | Shrub | Cold hardiness, disease resistance, large fragrant pink blooms |
| Iceberg | Floribunda | Heavy, reliable white bloom for hedges and borders |
| Mister Lincoln | Hybrid tea | Classic fragrant red cut flowers, with a reputation for tolerating warm weather |
| Hansa, Therese Bugnet | Rugosa | Very cold hardy, tough in poor soil, hips for fall color |
| William Baffin | Hardy climber | Cold-climate climbing roses where tender types die back |
| The Fairy | Polyantha | Compact, late and long-blooming, easy in containers and borders |
Availability changes by nursery and year, so treat this as a shortlist of widely sold plants, not a guarantee. One more choice: in cold areas, own-root roses (grown on their own roots, not grafted) are worth hunting for. If a hard winter kills one to the ground, whatever regrows is still the variety you bought. When a grafted rose dies back below the graft, the shoots that return are the rootstock.
What to plant alongside
The best companions for roses in Nevada are plants that share their sun and soil preferences. Lavender, catmint, Russian sage and salvias like full sun and well-drained soil, and they do fine on less water than a thirsty rose bed gets in a wetter state. That shared water need matters more than any folklore about scent.
The strongest evidence points to beneficial insects. Small-flowered plants such as yarrow, sweet alyssum and catmint feed hoverflies and lacewings, and the larvae of both eat aphids. A low groundcover under and around roses also shades the soil and reduces weeds, but keep it from touching the canes, where it can trap moisture. Pollinator draw is real too, though most roses pull in fewer bees than single-flowered plants do.
Some pairings have much thinner support. Garlic, chives and onions are traditional rose companions said to repel aphids. The evidence is mostly anecdotal, and one chive plant will not protect a bed. Plant them if you like them, not as pest control. Marigolds have a similar reputation, based on limited research on certain soil nematodes.
What to keep away from roses:
- Lawn grass growing to the base of the plant, which takes shallow water and nutrients and gets sprinklers that wet the foliage.
- Large trees and aggressive shrubs with greedy roots, which dry out the soil and cast shade.
- Plants that need constant moisture, such as hostas, which push you toward overwatering the roses.
- Another rose in the spot where an old one was removed. Replant problems are well documented; dig a new site or replace the soil.
Watering, feeding and support
Water deeply and less often. Roses root down 18 inches or more when they get a soaking, and shallow, frequent sprinkling builds a weak root system that wilts at the first heat wave. For the first month, soak new plants every few days. Then taper to a deep weekly watering, and in low-desert summers raise that to about twice a week. Check by pushing a screwdriver into the soil: it should slide easily to 8 to 10 inches. Drip lines or soaker hoses keep leaves dry, which lowers mildew risk and wastes less water to evaporation.
A 2 to 3 inch layer of wood chips or shredded bark holds moisture, moderates soil temperature and suppresses weeds. Pull it a couple of inches back from the canes so the base stays dry.
Feeding follows growth. Begin when new shoots are about 4 to 6 inches long, repeat after the first flush of flowers, and follow the product label for rates. Stop about six weeks before your first fall freeze. Late feeding pushes soft new growth that winter will kill. If leaves turn yellow with dark green veins, that is iron chlorosis, and chelated iron or a soil adjustment (guided by a test) will help more than extra nitrogen.
Prune in late winter, when buds begin to swell. In Las Vegas that means around the end of winter; at elevation it means waiting until the worst freezes have passed. Cut out dead, damaged and crossing canes, and cut down to wood that is white inside, not brown. Reduce hybrid teas to about 12 to 18 inches, and shape shrub roses lightly. Removing spent blooms through the season encourages more flowers, but let a few ripen into hips in early fall if you want color and winter hardening.
Watch for suckers, the stems that grow from below the graft union. They usually have seven leaflets per leaf instead of five, and different leaf color. Pull or cut them off at the point they emerge from the root. For support, tie climbers to a trellis or wires, spreading the canes close to horizontal, which makes them bloom along their length. Most bush roses need no staking, but exposed shrubs can use a stake in a windy spot.
Common problems
Insects
The University of Nevada, Reno Extension, on its insects and bugs page, highlights squash bug, aphids, Mormon cricket, hornworms, cabbage moth, earwigs, shield bugs (stink bugs), elm leaf beetle and Japanese beetle for home gardens. On roses, the ones to watch are aphids, which cluster on new buds and can be knocked off with a strong hose spray or controlled with insecticidal soap. Earwigs chew ragged holes in petals and hide in blooms by day, so trap them in rolled newspaper. Japanese beetles skeletonize leaves and chew flowers, and hand-picking them into soapy water in the morning works on light infestations. Mormon crickets are large, flightless insects that move in bands and can strip a bed, so call your county office if you see them.
Squash bug, hornworms and cabbage moth go mostly after vegetables, and elm leaf beetle targets elms. Shield bugs feed on a mix of plants, including some ornamentals. If you cannot identify an insect, take a sample or a clear photo to your county extension office.
Leaf, bloom and cane symptoms
Leaves that are yellow with green veins point to iron chlorosis, common in alkaline soil. Fine stippling and silky webbing on the undersides of the leaves means spider mites, which thrive in hot, dry weather; spray the undersides with water to knock them down. A white powdery coating is powdery mildew, which shows up where air circulation is poor or nights are cool. Black spot, the main disease of humid regions (see Growing Roses in Tennessee: Planting Dates, Varieties and Local Pests), is less common here unless sprinklers keep leaves wet.
Neat, round bites out of leaf edges are leafcutter bees, which do little harm. Black, shriveled canes after winter are cold damage; cut back to healthy white pith. Plants that grow but refuse to bloom are usually too shaded, overfed with nitrogen, or pruned too hard.
Harvest and end of season
Cut flowers in the morning, when the buds show color and begin to loosen. Use clean, sharp pruners and cut at an angle just above a leaf with five leaflets, and plunge the stems into water right away. Recut under water at home and keep the vase out of direct sun. Cooler rooms prolong the blooms, and many people store cut roses in the refrigerator overnight. Roses do not ripen off the plant the way fruit does, so cut at the bud stage, not once the petals have fully opened.
Hips, the red or orange fruit of rugosas and some shrub roses, are ready after they color fully and soften, often after the first fall freeze. They make tea and jelly, but only from plants you have not sprayed.
As fall approaches, stop fertilizing about six weeks before your first freeze. In Las Vegas, the 30-70% band for the first 32F freeze is December 8 to December 23. Elsewhere in Nevada it comes months earlier, so count back from your own county’s date. Let blooms go to hips so canes harden. Water deeply before the ground freezes, because dry winter soil kills roots. After a hard freeze, mound 10 to 12 inches of soil or mulch over the base of hybrid teas and tie climbers loosely. Save major pruning for spring.
Local help
County-level frost dates, soil tests and insect identification all come through University of Nevada, Reno Extension, which has offices across the state. Bring a soil sample or a pest in a sealed container, and ask for the average last-frost date for your elevation. More state-specific advice is collected in our Nevada guides.
Common questions
When is the best time to plant roses in Nevada?
It depends on elevation. Bare-root roses go in late winter to early spring once the soil is workable, roughly two to four weeks before your average last frost. Potted roses can go in after that. The Las Vegas figures (January 7 to February 1 for the last freeze) are a low-desert extreme, so use your county’s date.
Which roses are easiest to grow here?
Tough shrub roses such as Knock Out and Carefree Beauty, rugosas such as Hansa, and floribundas such as Iceberg are forgiving choices. In cold areas, favor hardy types and own-root plants. In the low desert, look for heat tolerance and give afternoon shade.
How often should I water roses?
Water deeply and infrequently. New plants need a soak every few days for the first month, then weekly watering in moderate weather and about twice a week in low-desert summer heat. Use the screwdriver test: it should slide in easily to 8 to 10 inches.
Do roses need winter protection?
In cold areas, yes for tender types. After a hard freeze, mound 10 to 12 inches of soil or mulch over the base of hybrid teas and tie up climbers. Hardy shrub and rugosa roses usually need little. In mild-winter low-desert gardens, protection is rarely needed.
What pests attack roses in Nevada?
University of Nevada, Reno Extension lists aphids, earwigs, Japanese beetles and Mormon crickets among the pests that matter for home gardens. Spider mites and powdery mildew are common problems in hot, dry weather. For an unfamiliar insect, take it to your county extension office.