Overview
Justicia carnea dark-leaved is a bushy conservatory greenhouse in the genus Justicia, part of the Acanthaceae family, with evergreen foliage. Justicia carnea dark-leaved grows best in full sun and partial shade, and tolerates loam soils and acid and neutral pH. Its UK hardiness is rated H1a. Suggested uses include patio and container plants.
About
Justicia carnea dark-leaved is a bushy evergreen cultivar of the Justicia genus, known for its simple foliage and tubular, two-lipped flowers arranged in spikes or clusters. Suited to conservatories, greenhouses, or as a houseplant, it thrives in fertile, well-drained loam soil with moist but well-drained conditions. Preferring full sun to partial shade and a sheltered aspect facing east, south, or west, it is hardy to UK zone H1a. This cultivar is ideal for patio and container planting, with interest during spring and summer. Propagation is possible through seed or cuttings.
Growing conditions
Best soil and position for Justicia
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam
- Soil pH
- Acid, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- East-facing, South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H1a
Plant details
Justicia carnea dark-leaved size, habit and characteristics
- Plant type
- Conservatory Greenhouse, Houseplants
- Habit
- Bushy
- Foliage
- Evergreen
- Suggested uses
- Patio and container plants
Care notes
Pruning and caring for Justicia carnea dark-leaved
- Propagation
- Seed, softwood or semi-hardwood cuttings
- Pest resistance
- Glasshouse red spider mite, Glasshouse whitefly
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Justicia carnea dark-leaved?
Justicia carnea dark-leaved prefers full sun and partial shade. It suits sheltered positions.
What soil does Justicia carnea dark-leaved need?
Justicia carnea dark-leaved grows best in loam soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained to well-drained.
Is Justicia carnea dark-leaved hardy in the UK?
Justicia carnea dark-leaved has an RHS hardiness rating of H1a, meaning it needs tropical warmth above 15°C and must be grown under glass in the UK.
How do I propagate Justicia carnea dark-leaved?
Seed, softwood or semi-hardwood cuttings.
More in the Justicia genus
- Justicia aconitiflora

- Justicia adhatodaadhatoda

- Justicia aurea

- Justicia californicachuparosa honeysuckle

- Justicia hyssopifolia
- Justicia lutea

- Justicia plumbaginifolia

- Justicia procumbens
