Rosa species Grandiflora

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Plant
ID 449 Rosa species Grandiflora
Botanic Name Rosa species Grandiflora
Common Name Grandiflora Rose, Floribunda hybrid Tree Rose
Family Name Rosaceae
Cultivars 'Daybreaker','Gold Medal','Honey Dijon','Litl# Romeo','Disneyland USA','New Year','Pink Parfait','The Pilgrim'
Origin China, Zone 6-10
Growth Type Shrub
Bark Type Woody
Foliage Type Deciduous Water Use Medium
No. of Species
Growth Habit Vase-shape Growth Rate Slow
Height 0.4 - 2 m (1 - 7 ft) Spread 0.5 m (2 ft)
Plant Overview
These tall stately cultivar shrubs have upright stems that form a bushy habit. They have dark green divided leaves and produce small saucer-shaped flowers in a wide range of colours and appear solitary or in a small cluster from spring to summer.
Leaf
Type Compound Additional Information
Shape Trifoliolate
The 120 mm (4 ¾ in) long trifoliate leaves have elliptical leaflets that have a serrated margins and an acuminate apex. The new growth may be light green or bronze-green then maturing to dark green.
Arrangement Alternate
Margin Serrate
Colour Green
Size 100 - 120 mm ( 3.9 - 4.7 in )
Flower
Perfume Fragrant Additional Information
Shape Crateriform
The crateriform flowers are available in single or semi double and double and in variable sizes and colour depending on the cultivar up to 90 mm (3 ½ in) wide. They may be solitary or arranged in a corymb and appear from late summer to autumn.
Inflorescence Corymb
Colour White - pink - red
Size 10 - 90 mm ( 0.4 - 3.5 in )
Flowering in
(Southern Hemisphere)
Jan Feb Mar Apr May Jun
Jul Aug Sep Oct Nov Dec
Fruit
Type Pome Additional Information
Colour Red
The pome’s are called a 'hips', small apple shape and are yellow to red. The size of the fruit depends on the cultivar and are up to 25 mm (1 in) long. The small seeds are viable but the plant is commonly reproduced vegetatively.
Edible No
Bird Attractive No
Size 10 - 25 mm ( 0.4 - 1.0 in )
Fruiting in
(Southern Hemisphere)
Jan Feb Mar Apr May Jun
Jul Aug Sep Oct Nov Dec
Environment & Cultivation
Natural Soil Well drained, sandy to clay loam, moist, organic rich, p.H 5.5 -7.0
Container Pots, tubs and planter boxes
Climate Temperate
Aspect Full sun to semi-shade, wind protected position, frost tolerant, drought tender
Pest & Diseases Aphids, collar rot, capsid bugs, thrips, budworm, black spot, canker, wilt
Fertiliser Mulch after pruning, add complete fertiliser in spring
Pruning Remove dead, diseased old wood in late winter, light tip prune in summer
Cultural Uses Propagation
Grandiflora Rose's are grown for their bright stately habit and large flowers. They have a variety of uses including; cut flowers, tubs specimen, edging plants, climber-ramblers that cover pergolas and grow against hot walls.
Take hardwood cuttings of stronger plants.
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