Goeppertia rufibarba 'Blue Grass'

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Synonyms

Calathea rufibarba 'Blue Grass'

Houseplants Conservatory Greenhouse
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A tender, evergreen perennial, with long, narrow, glossy green leaves with strongly wavy edges, held on slender stems to 20cm long. Leaf undersides are flushed reddish purple, and the midribs and stems are densely covered in soft, velvety reddish hairs

Position

Partial shade

Soil Types

Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
5–10 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Partial shade
Aspect
East–facing or 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)
H1A

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Marantaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy, Clump forming
Genus
Goeppertia are evergreen rhizomatous perennials forming clumps of elliptic leaves, often attractively-patterned; racemes of small tubular flowers are seldom produced in cultivation. Previously included within the genus Calathea
Name Status
Unresolved

How to Grow

Cultivation

Grow indoors, in peat-free potting compost, with bright indirect light or light shade. Provide high humidity, and keep at a constant temperature (above 16°C) and away from draughts. Water moderately when in growth, avoiding the foliage, and apply a balanced liquid fertiliser monthly; keep just moist in winter. See houseplant cultivation

Propagation

Propagate by division in late spring, keep plants in warm, humid conditions until re-established

Suggested planting locations and garden types

  • Houseplants
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to aphids, glasshouse whitefly and glasshouse red spider mite

Diseases

Generally disease-free