White Flower Carpet, close-up of the flower
Photo: David J. Stang, CC BY-SA 4.0
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Groundcover roseWerner Noack, 1991White and cream

White Flower Carpet

An undemanding white carpet rose; abundant single flowers with yellow stamens; very healthy.

Variety profile

Flowering

Repeat, almost continuous through the season

Awards

RHS AGM

Royal Horticultural Society award (Award of Garden Merit)

Winter hardiness

−29 °C

USDA zone 5+. All of Ukraine, with light protection or without.

Compare reference temperatures

Plant size

30–70 × 60–120 cm
person 170 cm30–70 cm
Habit
Low, compact, spreading, dome-shaped
Dimensions
30–70 cm tall × 60–120 cm wide
Support
No support needed — it spreads out like a carpet
Shoots
Trailing, arching
Branching
Dense

Flower

5–6 cm
Bud shape
Small, white
Open flower
Cup-shaped and flat, wavy, with yellow stamens at the centre; 5–6 cm across
Fullness
Semi-double, ~9–16 petals
Flower carriage
In large clusters

Fragrance

Light

Light, barely noticeable.

Disease resistance

4.5 out of 5
Black spotresistantPowdery mildewresistant

Very good (≈4.5/5); resistant to black spot and powdery mildew.

Sun

Sun / partial shade

Full sun, tolerates light shade; the colour does not fade.

Thorns

Moderate
thornlessfewmoderatemanyvery many

Moderate number.

Foliage

Medium, glossy, dark green, dense.

Other names

Schneeflocke, Emera Blanc
All characteristics in a table
Group
Groundcover rose
Breeder
Werner Noack, Germany, 1991
Bud shape
Small, white
Open flower
Cup-shaped and flat, wavy, with yellow stamens at the centre; 5–6 cm across
Colour
Pure white with yellow stamens; after rain the petals may spot, as all white roses do
Fullness
Semi-double, ~9–16 petals
Flower carriage
In large clusters
Flowering
Repeat, almost continuous through the season
Fragrance
Light, barely noticeable
Hips
Small, orange-yellow
Habit
Low, compact, spreading, dome-shaped
Branching
Dense
Shoots
Trailing, arching
Thorns
Moderate number.
Dimensions
30–70 cm tall × 60–120 cm wide
Support
No support needed — it spreads out like a carpet
Foliage
Medium, glossy, dark green, dense
Resistance
Very good (≈4.5/5); resistant to black spot and powdery mildew
Variations of the variety
Code NOAschnee; parents — Flower Carpet Pink × Margaret Merril; synonyms: Schneeflocke, Emera Blanc

Colour scheme

Pure white with yellow stamens; after rain the petals may spot, as all white roses do

Rose neighbours

Perennials to plant nearby

Neighbouring roses

Other pure white garden varieties — one and the same snowy mood:

Companion perennials

White, green and silvery small flowers and foliage — the classic companion palette for white bouquets and 'moon gardens':

astrantia 'Roma'hosta 'Patriot'veronicastrum 'Album'heuchera 'Silver Scrolls'

Names and synonyms

One variety sold under different trade names:

SchneeflockeEmera BlancNoaschnee

More about the variety

Hips
Small, orange-yellow
Variations of the variety
Code NOAschnee; parents — Flower Carpet Pink × Margaret Merril; synonyms: Schneeflocke, Emera Blanc

How to grow

Where to plant. Slopes, borders, groundcover, mass plantings, containers and retaining walls; low maintenance in public spaces.

Climate. USDA 5–9; all of Ukraine, with light protection or without — reliably hardy. Does not fade in the sun; tolerates light shade.

Care. Minimal care; one short prune in spring (on large plantings, even with a lawnmower); watering in drought; practically no spraying needed thanks to its resistance.

About the name

Name. 'Schneeflocke' (German for 'snowflake') — the original name; the English name is White Flower Carpet, the French is Emera Blanc.

Breeding. Bred by Werner Noack in Germany in 1991 as the white member of the Flower Carpet® series; parents — Flower Carpet Pink × Margaret Merril.

Significance. One of the best-known groundcover roses in the world — a symbol of undemanding, healthy beauty for mass and public plantings.

Frequently asked questions about White Flower Carpet

Does White Flower Carpet need winter protection?

The cultivar’s reference temperature is −29 °C (USDA zone 5+). Overwintering depends on the conditions. All of Ukraine, with light protection or without.

How many times a season does White Flower Carpet flower?

Repeat, almost continuous through the season.

How big does White Flower Carpet grow?

30–70 cm tall, 60–120 cm wide.

Which diseases affect White Flower Carpet?

Overall resistance: 4.5 out of 5. 4.5 / 5; very good; resistant to black spot and powdery mildew.

How much sun does White Flower Carpet need?

Sun / partial shade; full sun, tolerates light shade; the colour does not fade.

What does White Flower Carpet smell like?

Light, barely noticeable.

Gardeners' photos and reviews

My climate

Choose a reference temperature to compare with the cultivar’s data. This is not an overwintering forecast or advice on winter protection; consider wind, moisture and the duration of frost.

Regional data are generalised. USDA describes average annual extreme minima, not a forecast; the values in the list are rounded. Check the conditions at your site. More information: Roses in Ukraine's climate.