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Rosa Rosy Boom - Shrub rose

Rosa Rosy Boom® 'Ohara' ®
Polyantha Rose

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A lovely selection of shrub rose with a wild look reminiscent of dog-rose flowers, in simple, flat cups of pink with a white centre and yellow stamens to brighten up summer. A very easy bush rose to grow and care for, with fragrant and nectar-rich flowers. Its loose habit dresses up pots and borders in ordinary, rich, even sandy soil.
Flower size
4 cm
Height at maturity
1.30 m
Spread at maturity
55 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -23.5°C
Soil moisture
Moist soil
Best planting time March, October
Recommended planting time March to May, September to November
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Flowering time June to September
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Description

The Rosy Boom Ohara shrub rose is an undemanding and easy-to-grow bush rose, boasting a prolific flowering of small, single, fragrant flowers in flattened cups, a soft pink with a white centre and yellow stamens, reminiscent of wild roses. This hardy, healthy and compact selection is easily pruned once a year and its flowers resist rain. It forms an upright bush with a very supple and loose habit, which can be planted in a pot on the terrace, instantly dressing it up, or in borders and small flowering hedges in natural-looking gardens.

The Rosy Boom Ohara shrub rose has a very supple, bushy habit, reaching an average height of 1.30m and a width of 55cm at maturity, allowing it to be tucked into small spaces. Its flowering is particularly abundant and regular from June to September, if the soil remains moist. Its small, 4cm wide roses are gathered in generous panicles. They are in slightly flattened, white cups, heavily edged with bright pink, a shade that pales when fully open, giving the plant a lovely range of pinks and whites. The stems are adorned with very healthy deciduous foliage, divided into medium green leaflets with a satin finish. The shrub has a medium growth rate. 

Shrub roses can create beautiful small hedges, planted in a mix at the edge of the terrace or in small shrub borders. Pair them with abelias, nandinas, deciduous ceanothus, pink or blue ones, or caryopteris, for example. They are good companions for peonies, panicled phlox and large baby's breath. The modest size of Rosy Boom Ohara allows it to fit in all gardens, even small ones. It can be used in many ways, according to each gardener's wishes: in a rose border, alongside pink, red or purple varieties, such as Rhapsody in Blue, or mixed with easy-to-grow plants like Rozanne hardy geraniums, small-flowered pinks, perennial salvias or pink and blue asters. 

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Roses: the best varieties and how to grow them
Family sheet
by Alexandra 15 min.
Roses: the best varieties and how to grow them
Read article

Plant habit

Height at maturity 1.30 m
Spread at maturity 55 cm
Habit irregular, bushy
Growth rate normal

Flowering

Flower colour two-tone,
Flowering time June to September
Inflorescence Corymb
Flower size 4 cm
Fragrance Fragrant,
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms
Repeat-flowering Blooms several times a year

Foliage

Foliage persistence Deciduous
Foliage colour medium green,

Botanical data

Genus

Rosa

Cultivar

Rosy Boom® 'Ohara' ®

Family

Rosaceae

Other common names

Polyantha Rose

Origin

Cultivar or hybrid

Product reference19185

Planting and care

The 'Rosy Boom Ohara' rose is undemanding; it thrives in all regions that are not too hot, and is not susceptible to disease, cold, or rain. Plant it in ordinary, well-worked and well-drained soil, in a sunny or partially shaded position, which it tolerates well. This hard rose withstands temperatures down to -20°C.

Roses prefer a sunny position (at least 4 to 5 hours of sun per day), but sheltered from the scorching midday sun and strong winds. They appreciate loose, permeable, and rich soil. They will adapt to any garden as long as the ground is well-worked and sufficiently rich. To plant your rose, work the soil to a depth of 25 cm, crumbling it well, and place a base fertiliser such as dried blood or dehydrated horn at the bottom of the planting hole. Position your plant, covering the top of the root ball with 3cm of soil, fill in the hole, and water generously to eliminate air pockets. In dry weather, water regularly for a few weeks to encourage rooting. Also remember to give your rose a special rose fertiliser to stimulate flowering.

Roses are often spotted or unsightly at the end of summer, but this is not a problem for their development. These spots are not dangerous for the rose; it is a natural phenomenon. Follow all our tips to remedy this.



Planting period

Best planting time March, October
Recommended planting time March to May, September to November

Intended location

Suitable for Meadow
Type of use Border, Container, Hedge, Slope
Preferred climate All
Hardiness Hardy down to -23.5°C (USDA zone 6a) Show map
Ease of cultivation Beginner
Planting density 1 per m2
Exposure Sun, Partial shade
Soil pH Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, Well-worked and fertile

Care

Pruning instructions Remove faded flowers regularly throughout the season. To maintain a bushy habit, simply remove the oldest branches (2-3 years old) in early spring.
Pruning Pruning recommended once a year
Pruning time February to March
Soil moisture Moist soil
Disease resistance Good
Overwinter Can be left in the ground

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