Groundcover layer · Indigenous / naturalised leafy groundcover

NZ spinach

Tetragonia tetragonioides

A salt-tolerant indigenous leafy groundcover. Useful edible greens for coastal and dry sunny edges when harvested young and cooked appropriately.

Also known as: NZ spinach, Kōkihi, Warrigal greens

NZ spinach

Layer

Groundcover layer

Climate

Subtropical, Warm temperate, Temperate

Sun

Full sun to light shade.

Water

Drought tolerant once established; better leaf with some moisture.

Soil

Adaptable including sandy coastal soils; free-draining preferred.

Size

0.2–0.4 m H · Spreading 1 m+ W

Growth

Fast in warm seasons

Frost

Frost tender foliage; may reshoot from woody bases or reseed in mild climates.

Edible uses

Young leaves (cooked; traditional preparation)

Harvest window

Warm months; tip leaves regularly

Ecological functions

Groundcover · Coastal edge cover · Soil protection

Wildlife value

Cover for small fauna

Human uses

Cooked leafy green · Coastal garden cover

Propagation

Seed or cuttings.

Maintenance

Tip-prune to keep tender growth; manage spread.

NZ growing notes

Useful coastal and dry-edge green. Young leaves are preferred; older leaves can be high in oxalates — cook and do not overconsume.

In the food forest

NZ spinach covers sunny dry and coastal edges as an edible groundcover beside harakeke and feijoa. Keep tip-pruned for tender leaves.

Establishment

Sow or plant in spring into free-draining ground. Water to establish. Harvest young tips often. Allow some plants to seed if you want volunteers.

NZ honesty

Honest on coastal and mild temperate sites. Hard inland frost may kill tops — expect seasonal behaviour.

Cautions: Contains oxalates — cook and use in moderation. Not medical advice.

Suitable NZ regions

NorthlandAucklandBay of PlentyWaikatoWellingtonNelson–MarlboroughCanterbury

References

  • NZ coastal edible plant practice — Harvest young; cook; respect oxalate caution.

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