Manihot grahamii

Herbaceous Perennial Conservatory Greenhouse

Fast-growing, sub-tropical, woody-stemmed perennial native to South America, about 2-3m tall, with deeply-lobed, intricately-cut, palmate rich green leaves and clusters of waxy red-striped, pale green bell-shaped flowers in summer. It is closely related to the edible tapioca

Position

Full sun, Partial shade

Soil Types

Loam

Max Height

1.5-2.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
1–2 years
Max Spread
1-1.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

Loam
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Euphorbiaceae
Native to GB/Ireland
No
Foliage
Deciduous, Semi evergreen
Habit
Spreading branched
Genus
Name Status
Correct

How to Grow

Cultivation

In mild or frost-free counies, grow in any free-draining soil in full sun with shelter. In frost-prone areas, grow in a cool greenhouse, in a mix of peat-free potting compost and grit, in full light and with low humidity. Water moderately during the growing season, sparingly in winter

Propagation

Propagate by seed or softwood cuttings (stem cuttings)

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Mediterranean climate plants
  • Patio and container plants
  • Sub-tropical
  • Conservatory and greenhouse

Pruning

No pruning required. Cut down any dead or damaged foliage in early spring

Pests

May be susceptible to aphids, glasshouse red spider mite or glasshouse whitefly if grown under glass

Diseases

Generally disease-free