Begonia mazae f. nigricans

RHS Plant Profile
black Mazae begonia

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Synonyms

Begonia mazae 'Nigricans'

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Conservatory Greenhouse Houseplants
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A rhizomatous, tender perennial to around 30cm in height, with soft, pale green foliage with brownish-black markings, prominent green veins and red undersides. Pink flowers appear on short stalks from January to April

Position

Partial shade

Soil Types

Loam

Size

Time to Maturity
2–5 years

Growing Conditions

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

Position

Partial shade
Aspect
East–facing or North–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)
H1B

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Begoniaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Ornamental bulbs - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Begonia can be annuals, evergreen or deciduous perennials or shrubs, with fibrous, tuberous or rhizomatous roots and usually asymmetrical leaves, often strikingly patterned, and small or large flowers, both male and female in the same cluster
Name Status
Correct
Plant Range
Mexico

How to Grow

Cultivation

Grow under glass in indirect light or in a frost-free environment. Grown for foliage. Avoid over-watering. See begonias: houseplants

Propagation

Propagate by seed or by division

Suggested planting locations and garden types

  • Houseplants
  • Patio and container plants
  • Low Maintenance
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to caterpillars, mealybugs, tarsonemid mite, greenhouse red spider mite, thrips and vine weevils

Diseases

May be susceptible to grey moulds, powdery mildews, stem rot and rhizome rot