Overview

Strobilanthes formosana is a bushy conservatory greenhouse in the genus Strobilanthes, part of the Acanthaceae family, with evergreen foliage. Strobilanthes formosana grows best in full sun and partial shade, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1B. Suggested uses include city and courtyard gardens, cottage and informal garden, patio and container plants and sub-tropical.

About

Strobilanthes formosana is a bushy, evergreen shrub cultivar within the Strobilanthes genus, known for its simple, opposite foliage and tubular or funnel-shaped flowers. It thrives in full sun or partial shade, ideally in sheltered, south- or west-facing positions. This cultivar prefers fertile, well-drained loam or sandy soils across a range of pH levels. Suitable for conservatories, patios, and sub-tropical gardens, it is hardy under UK conditions classified as H1B and is best propagated by softwood cuttings. Interest in this plant is primarily during the spring and summer seasons.

Growing conditions

Best soil and position for Strobilanthes

Sunlight
Full sun, Partial shade
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing, West-facing
Exposure
Sheltered
UK hardiness
H1B

Plant details

Strobilanthes formosana size, habit and characteristics

Plant type
Conservatory Greenhouse, Shrubs
Habit
Bushy
Foliage
Evergreen
Suggested uses
City and courtyard gardens, Cottage and informal garden, Patio and container plants, Sub-tropical

Care notes

Pruning and caring for Strobilanthes formosana

Propagation
Propagate by softwood cuttings
Pest resistance
May be susceptible to glasshouse red spider mite
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Strobilanthes formosana?

Strobilanthes formosana prefers full sun and partial shade. It suits sheltered positions.

What soil does Strobilanthes formosana need?

Strobilanthes formosana grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.

Is Strobilanthes formosana hardy in the UK?

Strobilanthes formosana has an RHS hardiness rating of H1b, meaning it needs subtropical warmth of 10–15°C and must be grown under glass in the UK.

How do I propagate Strobilanthes formosana?

Propagate by softwood cuttings.

More in the Strobilanthes genus

Browse all Strobilanthes