Rosa 'Kenholmes'

Synonyms

Rosa 'Kenholmes'

Roses Shrubs

A bushy, upright floribunda rose with dark green, glossy, healthy foliage to around 75cm in height, blooming a little later than other varieties. Clusters of vibrant, velvety-red flowers appear from June through to September which have an unusual shape, as if two flowers have emerged from a single bud. A healthy variety which goes well with early or single-flowering rose varieties

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy, Columnar upright
Genus: Rosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing compound pinnate leaves and solitary or clustered flowers. Flowers may be followed by showy red or purple fruits in some varieties.
Name Status: Synonym
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: Floribunda or Cluster-flowered bush roses are bushy, upright shrubs with dark, glossy, foliage and single or double, sometimes fragrant flowers in small or large clusters from summer to autumn

How to Grow

Cultivation

Grow in fertile, humus-rich, well-drained soil in full sun. mulch with well-rotted organic matter in late winter or early spring, and for best flowering apply a general rose or shrub fertiliser in early spring and again in early summer. See rose cultivation

Propagation

Propagate by semi-ripe cuttings in late summer or hardwood cuttings in autumn, or by Chip budding in summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Wildlife gardens
Cut flowers
Flower borders and beds

Pruning

pruning group 16 (floribunda roses)

Pests

May be susceptible to aphids, including rose aphid, the most common rose pest. May also be susceptible to Rose leafhopper, glasshouse red spider mite, scale insects, caterpillars, large rose sawfly, rose leaf-rolling sawfly and leaf-cutter bees. deer and rabbits can also cause damage

Diseases

May be susceptible to rose black spot, rose rust, rose Powdery mildews, which are the most common rose diseases. May also be susceptible to rose dieback, replant disease, a canker, a virus and sometimes honey fungus