Flower Carpet Scarlet
The Classic Groundcover Rose, Smothered in Scarlet All Summer
Flower Carpet Scarlet Rose (Rosa 'Flower Carpet Scarlet') is part of the world's most popular groundcover rose series — bred for disease resistance, nonstop bloom, and almost zero maintenance. Bright scarlet-red clusters cover the low, spreading shrub from late spring to frost on glossy, healthy foliage, and it cleans itself, so no deadheading is needed. Grown on its own roots and reliably hardy here, it's a workhorse for color. Whether you want to edge a Maple Grove walkway, cover a sunny Eden Prairie slope, or fill a Woodbury bed with red, Flower Carpet Scarlet delivers months of carefree bloom.
Flower Carpet Scarlet Rose Plant Details
| Attribute | Detail |
| Scientific Name | Rosa 'Flower Carpet Scarlet' |
| Common Names | Flower Carpet Scarlet Rose, Flower Carpet Rose, Groundcover Rose |
| Mature Height | 2–2.5 feet |
| Mature Width | 3–3.5 feet — low, spreading habit |
| Growth Rate | Moderate to fast — spreads to fill within 2 seasons |
| Sun | Full sun (6+ hrs) for the most blooms; tolerates light shade |
| Water | Moderate. Consistent moisture, especially the first 2 years; water at the base, not overhead. |
| USDA Zones | 4–10 (Twin Cities is zone 4b–5a) |
| Soil | Adaptable. Tolerates Minnesota clay-loam; prefers well-drained soil amended with compost. |
| Bloom Color | Bright scarlet red — clusters of single to semi-double blooms |
| Bloom Time | Repeat-blooming from late spring to frost; self-cleaning |
| Fragrance | Light |
| Winter Hardiness | Reliable to USDA zone 4 — mulch the crown the first winter or two in exposed spots |
| Disease Resistance | Outstanding — Flower Carpet roses set the standard for disease resistance |
| Roots | Own-root — regrows true to type even if it dies back in a hard winter |
| Deer Resistance | Low — deer may browse; protect in high-pressure areas |
Flower Carpet Scarlet Rose Uses in Minnesota Landscapes
Front-of-Border Edging
Its low, spreading habit makes Flower Carpet Scarlet a natural edging plant along walks, beds, and borders, pouring scarlet bloom at knee height all season. Space plants about 3 feet apart for a continuous ribbon of red.
Flowering Groundcover and Slope Cover
Flower Carpet roses were bred to cover ground, so this one excels on a sunny slope or bank where you want low-maintenance color and erosion control without a tall shrub. It even tolerates a bit of light shade better than most roses.
Mass Planting and Container Color
Plant it in drifts for a sheet of red, or use it in a large patio container. In a pot, give it extra winter protection — move it to an unheated garage or heavily insulate the roots, since container roots are far less hardy than in-ground roots.
Best Time to Plant Flower Carpet Scarlet Rose in Minnesota
Plant in spring (May, after the ground thaws) for the longest establishment window, or in early fall (late August–mid September) so roots settle in before freeze. Avoid planting in peak summer heat, and never plant after mid-October or before spring thaw.
How to Plant Flower Carpet Scarlet Rose
- Choose a sunny spot with good air circulation — it maximizes bloom (a little light shade is tolerated).
- Dig a hole twice the width of the root ball and just as deep, so the crown sits at or slightly above grade. As an own-root rose, there's no graft union to bury.
- Loosen heavy clay and mix 25–30% compost into the backfill for drainage and nutrition.
- Set the plant, backfill, and firm gently to remove air pockets; water in thoroughly.
- For a groundcover effect, space plants about 3 feet apart so they knit together.
- Mulch 2 inches with shredded bark, kept off the stems, and water deeply at the base.
Watering Flower Carpet Scarlet Rose in Minnesota
First Year Watering Schedule
Weeks 1–2: water deeply every 2–3 days. Month 1–2: about twice a week. Month 3–6: roughly weekly during active growth, more in heat, easing off when rainfall is adequate. Always water at the base in the morning so leaves dry quickly. Stop watering 2–3 weeks before the ground freezes — usually late October — so the plant hardens off for winter.
After Year One
An established Flower Carpet Scarlet needs supplemental water mainly during dry spells — a deep soak about once a week in hot, rain-free weather. Mulch keeps the roots cool and evenly moist.
Will Flower Carpet Scarlet Rose survive a Minnesota winter? Yes, in the Twin Cities. It's rated to USDA zone 4. For the first winter or two, or in an exposed spot, mound a few inches of mulch over the crown after the ground freezes for insurance, then pull it back in spring. Because it's own-root, it regrows true even if the top winterkills.
Does it really bloom all season with no deadheading? Yes — Flower Carpet roses are self-cleaning and flower continuously from late spring to frost without any deadheading.
How big does it get? It stays low and wide — about 2–2.5 feet tall and 3–3.5 feet across — making it one of the best edging and groundcover roses.
Do I need to spray it? No. Flower Carpet roses are famous for outstanding disease resistance; good sun and base watering keep them clean without any spraying.
Should I prune it? Cut it back by about one-third in early spring after the buds swell to keep it tidy and vigorous; no summer maintenance needed.
You May Also Like
- Coral Drifts Rose — a low, spreading groundcover rose in bright coral.
- Snowdrift Rose — a low, spreading groundcover rose in clean white.
- Nitty Gritty Peach Rose — a low, mounding landscape rose in soft peach.
- Cherry Frost Rose — a Minnesota-bred Easy Elegance red landscape rose.
- Champlain Rose — an Explorer-series zone-3 red shrub rose.
How Many Flower Carpet Scarlet Roses Do I Need?
For a continuous ribbon of red along a walk or across a slope, space plants 3 feet on center — their 3–3.5 foot spread knits together within two seasons:
| Run Length | Plants Needed (3 ft spacing) |
|---|---|
| 10 feet | 4 plants |
| 20 feet | 7 plants |
| 30 feet | 10 plants |
| 40 feet | 13–14 plants |
For a bed accent, plant a group of 3 in a triangle at 3-foot spacing; a single plant fills a 4-foot circle at the front of a border.
Flower Carpet Scarlet Rose Season-by-Season in Minnesota
- Spring: Glossy new foliage emerges in May; cut the plant back by one-third as buds swell, and the first flush of scarlet clusters opens by late spring.
- Summer: Nonstop bloom — wave after wave of scarlet-red clusters on clean, disease-resistant foliage, with no deadheading or spraying needed.
- Fall: Keeps flowering right up to frost, often into October, long after most shrubs have quit.
- Winter: Dormant and low under the snow; mulch the crown the first winter or two in exposed spots. Own-root means it regrows true even after a hard winter.
At a Glance
✔ Pollinator-Friendly
Plant It With
- Snowdrift Rose — the clean-white groundcover counterpart for a red-and-white edging scheme.
- Cherry Frost Rose — a Minnesota-bred red landscape rose to add height behind the carpet.
- Champlain Rose — an Explorer-series zone-3 red shrub rose for the back of the same bed.
- Karl Foerster Feather Reed Grass — vertical wheat-colored plumes that contrast the low scarlet mat.
Is Flower Carpet Scarlet Rose Right for Your Yard?
Choose it for a sunny spot (6+ hours) with decent drainage where you want knee-high, season-long color with almost no maintenance — edging, slopes, and mass plantings are its sweet spot. It's not a fit for heavy shade, soggy ground, or high deer-pressure yards where you can't protect it: deer resistance is low, and browsing will cost you blooms.