Roscoea auriculata 'Floriade'

RHS Plant Profile
eared roscoea 'Floriade'

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eared roscoea 'Floriade' RHS
Herbaceous Perennial
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A tuberous perennial, to 60cm tall, with long, lance-shaped leaves clasping the upright stems. Purple flowers are produced in ones or twos from mid- to late summer

Position

Partial shade

Soil Types

Clay, Loam

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

Clay Loam
Moisture
Moist but well–drained
pH
Neutral

Position

Partial shade
Aspect
North–facing or East–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Zingiberaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
Roscoea are tuberous perennials with arching, linear or lance-shaped leaves and showy orchid-like flowers in summer or autumn
Name Status
Accepted

How to Grow

Cultivation

Does best in moderately fertile, humus-rich, leafy, moist but well-drained, neutral soil, in a cool, sheltered site in partial shade. Plant tubers 15cm deep in winter or early spring. Apply a deep winter mulch in colder areas

Propagation

Propagate by division of tubers in spring when growth is starting

Suggested planting locations and garden types

  • Cottage and informal garden
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

Remove faded flowers, the rest of the plant will die down naturally

Pests

Slugs and vine weevils may be a problem

Diseases

May be susceptible to a virus