Overview

Tetragonia expansa is a columnar upright annual biennial in the genus Tetragonia, part of the Aizoaceae family, with deciduous foliage. Tetragonia expansa grows best in full sun, and tolerates loam soils and any pH. Its UK hardiness is rated H3. Suggested uses include coastal, patio and container plants and conservatory and greenhouse.

About

Tetragonia expansa, commonly known as Australian spinach or New Zealand spinach, is a deciduous plant with a columnar upright habit. It thrives in full sun and prefers a sheltered position with east, south, or west-facing aspects. This cultivar grows best in fertile, moist but well-drained loam soils of varying pH, including acid, alkaline, and neutral. Hardy to UK zone H3, it is suitable for coastal areas, patios, containers, conservatories, and greenhouses. Propagation is by seed, and it is most notable in spring and summer.

Growing conditions

Best soil and position for Tetragonia

Sunlight
Full sun
Soil type
Loam
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
East-facing, South-facing, West-facing
Exposure
Sheltered
UK hardiness
H3

Plant details

Tetragonia expansa size, habit and characteristics

Plant type
Annual Biennial
Habit
Columnar upright
Foliage
Deciduous
Suggested uses
Coastal, Patio and container plants, Conservatory and greenhouse

Care notes

Pruning and caring for Tetragonia expansa

Propagation
Seed
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Tetragonia expansa?

Tetragonia expansa prefers full sun. It suits sheltered positions.

What soil does Tetragonia expansa need?

Tetragonia expansa grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

Is Tetragonia expansa hardy in the UK?

Tetragonia expansa has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.

How do I propagate Tetragonia expansa?

Seed.