How to Grow Vietnamese Coriander in New Zealand
Also called rau ram or laksa leaf, this is the same plant as Vietnamese mint and thrives in the warm north where true coriander bolts. It is frost tender, so grow it in a sheltered spot or a pot that can be moved under cover further south. Loves moisture and part shade, and strikes easily from cuttings.
When to plant vietnamese coriander in New Zealand
Timing is everything in New Zealand, where the warm north and the cooler south are weeks apart. Sow or plant in these months for your region:
| Region | When to sow or plant |
|---|---|
| Northland | September, October, November, December |
| Auckland | September, October, November, December |
Best vietnamese coriander varieties for NZ
- Vietnamese Coriander / Rau Ram (Persicaria odorata) — Strong peppery-citrus leaves for laksa, pho and salads, grown from plants or cuttings. (Garden centres, herb nurseries)
How to grow vietnamese coriander
- Space plants about 30cm apart.
- Sow seed around 0.5cm deep.
- Position: part shade.
- Ready to harvest in roughly 40 days.
- Seeds germinate in about 10 days.
Companion planting
Grow vietnamese coriander near: Chilli, Eggplant.
Pests and problems
Watch for: few pests. See our NZ pest and disease guide for organic control.
FAQ
When is the best time to plant vietnamese coriander in New Zealand?
In the warm north (Auckland, Northland) sow in September, October, November, December. Cooler regions plant a little later. Check the table above for your region.
Where can I buy vietnamese coriander seeds or plants in NZ?
Try Garden centres, herb nurseries.