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Rosa Margaret Merril

Rosa Margaret Merril HARkuly
Floribunda Rose

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This rosebush bears large flowers with perfect, turbinate shape when open, in a pearly white colour shaded with pink at the heart. They emit an intense and sweet scent. At full bloom, these roses open up in a cup shape with dark yellow stamens turning red. The bush has a vigorous, bushy growth habit, and it blooms from June to October, with particularly decorative glossy dark green foliage. Stunning in flowerbeds, this variety produces extraordinary cut flowers.  
Flower size
10 cm
Height at maturity
80 cm
Spread at maturity
70 cm
Exposure
Sun
Hardiness
Hardy down to -20°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time January to April, September to December
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Flowering time June to October
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Description

The 'Margaret Merril' clustered rose bush produces large roses that possess a delicacy rarely found in modern rose bushes, and they exude an exceptional fragrance. Elegant, perfectly formed, barely double, beautifully turbinate upon opening, they open into a light cup on a lovely bouquet of dark yellow stamens turning red. Their colour is a subtle combination of pearly white shaded with pink at the heart. The bush has vigorous growth and blooms for months, with particularly decorative dark green glossy foliage. Stunning in borders, this variety produces extraordinary cut flowers.

The 'Margaret Merril' rose was introduced in 1977 by English rose grower Harkness. It is a hybrid tea variety classified in the floribunda family. The plant produces solitary or clustered flowers in small bouquets. The bush, with an upright and well-branched habit, quickly reaches a height of 80 cm (32in) and a width of 60-70 cm (24-28in). Its roses measure 10 cm (4in) in width and open from pale pink buds. A colour that is also found on the tightly packed hearts of the opening flowers. Their shape is typical of hybrid teas, with 28 petals, and each exudes a powerful fragrance reminiscent of lily of the valley, with notes of lemon and spice. Flowering begins in June and continues in successive waves until October. The foliage is divided into large dentate leaflets, a glossy dark green. It is quite susceptible to black spot (marsonia) in humid conditions. The plant is leafless in winter.

This 'Margaret Merril' rose bush is a charming small bush, perfect for borders, planted in groups of 3. It pairs well with many perennials or annuals with light flowering, such as paniculate baby's breath, tall phlox, perennial geraniums, love-in-a-mist, or catmints. It does not mind the competition from the roots of other plants, allowing it to be associated with a border of modest-sized flowering shrubs (deutzias, abelias). Also consider pairing it with small-sized clematis with violet, blue, or white flowers.

 

Rosa Margaret Merril in pictures

Rosa Margaret Merril (Flowering) Flowering

Plant habit

Height at maturity 80 cm
Spread at maturity 70 cm
Habit Irregular, bushy
Growth rate fast

Flowering

Flower colour white
Flowering time June to October
Inflorescence Corymb
Flower size 10 cm
Fragrance Very fragrant, Lily of the valley, notes of lemon and spices
Good for cut flowers Cut flower blooms
Fruit colour green

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Botanical data

Genus

Rosa

Cultivar

Margaret Merril HARkuly

Family

Rosaceae

Other common names

Floribunda Rose

Origin

Cultivar or hybrid

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Planting and care

Plant your 'Margaret Merril' Rose in a sunny or lightly shaded position. English roses are tolerant but won't like excessive limestone. They will adapt to any garden as long as the soil is well worked and rich enough. To install your rose, work the soil by crumbling it and put an amendment at the bottom of the planting hole, such as dried blood or dehydrated horn. Water generously after planting to remove air pockets. Water regularly for a few weeks to facilitate root growth. Pruning English roses is essential for flowering. At the end of winter, shorten the branches to 3-5 buds above the ground (at the lowest), choose an outward-facing bud to pruen above for a more elegant habit. Take advantage of this pruning to remove dead wood and unsightly branches. Pruning is done at a slant above a bud. As the flowers bloom, remove faded flowers, this stimulates the development of other buds.

Planting period

Best planting time March, October
Recommended planting time January to April, September to December

Intended location

Suitable for Meadow
Type of use Border, Free-standing
Hardiness Hardy down to -20°C (USDA zone 6b) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun
Soil pH Neutral, Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, light

Care

Pruning instructions Pruning is essential for the flowering of perpetual roses. At the end of winter, shorten the branches to 3-5 buds above the ground (at the lowest point), choosing an outward-facing bud for a more elegant habit. Take advantage of this pruning to remove dead wood and unsightly branches. Prune at an angle above a bud. As the flowers bloom, remove faded flowers, as this stimulates the growth of other buds.
Pruning Pruning recommended once a year
Pruning time February to March
Soil moisture Moist soil
Disease resistance Average
Overwinter Can be left in the ground

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