Overview

Justicia plumbaginifolia is a bushy conservatory greenhouse in the genus Justicia, part of the Acanthaceae family, with evergreen foliage. Justicia plumbaginifolia 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 plumbaginifolia is a bushy evergreen perennial from the Justicia genus, known for its simple foliage and tubular flowers arranged in spikes or clusters. It thrives in fertile, well-drained loam soil with an acid to neutral pH and prefers a sheltered position in full sun or partial shade, ideally facing east, south, or west. Suitable for patio and container planting, this cultivar is hardy under glass (H1a) and is best propagated by seed or cuttings. Its season of interest spans spring and summer.

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 plumbaginifolia 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 plumbaginifolia

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 plumbaginifolia?

Justicia plumbaginifolia prefers full sun and partial shade. It suits sheltered positions.

What soil does Justicia plumbaginifolia need?

Justicia plumbaginifolia 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 plumbaginifolia hardy in the UK?

Justicia plumbaginifolia 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 plumbaginifolia?

Seed, softwood or semi-hardwood cuttings.

More in the Justicia genus

Browse all Justicia