Begonia mazae f. nigricans

RHS Plant Profile

black Mazae begonia

Synonyms

Begonia mazae 'Nigricans'

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

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 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 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
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