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.