Ranunculus asiaticus 'Riviera Orange' (Riviera Series) (d)

Save a plant

Where do you want to save Ranunculus asiaticus 'Riviera Orange' (Riviera Series) (d)?

Plants I own
Wishlist
Go to My Plants

Synonyms

Ranunculus asiaticus [Vortex Orange]

Annual Biennial Herbaceous Perennial
Buy this from Plant Nurseries
1 Suppliers

A compact, half-hardy tuberous perennial, often grown as an annual, to around 20cm in height and spread, with lush, dense foliage. Branched flowering stems bear fully-double blooms with an abundance of paper-thin, orange petals, flowering early in March to May

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Harmful if eaten, skin irritant. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten, skin irritant - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Ranunculus can be annuals, biennials, evergreen or herbaceous perennials, with rhizomes, tubers or spreading by runners. The leaves are variable but often palmately lobed or dissected and the flowers usually bowl-shaped
Name Status
Accepted

How to Grow

Cultivation

Requires a dry, dormant period in summer; grows best in a mix of equal parts of loam, leaf mould and grit under unheated glass in winter, with good light and ventilation

Propagation

Propagate by sowing seed in a cold frame, but generally a better result can be achieved with tubers

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Mediterranean climate plants
  • Bedding
  • Cut flowers
  • Flower borders and beds

Pruning

No pruning required, but remove dead flowers to encourage flowering

Pests

May be susceptible to aphids, slugs and snails

Diseases

May be susceptible to Powdery mildews and grey moulds