How to Grow Vietnamese Mint in New Zealand
Updated June 2026
Not a true mint, with a peppery, coriander-like flavour prized in Vietnamese cooking. It is a warmth-loving plant that does best in Auckland and Northland and needs a sheltered, frost-free spot or a pot to overwinter further south. Loves damp, part-shaded ground and grows easily from cuttings.
When to plant vietnamese mint 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 mint varieties for NZ
- Vietnamese Mint (Persicaria odorata), Peppery coriander-scented leaves for pho and salads, grown from plants or cuttings. (Garden centres, herb nurseries)
How to grow vietnamese mint
- Space plants about 30cm apart.
- Sow seed around 1cm deep.
- Position: part shade.
- Ready to harvest in roughly 60 days.
- Seeds germinate in about 14 days.
Pests and problems
Watch for: few pests. See our NZ pest and disease guide for organic control.
🌱 Plant Vietnamese Mint in your garden →For a calendar tuned to your exact region, see the New Zealand planting guides or the Vietnamese Mint plant page.
FAQ
When is the best time to plant vietnamese mint 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 mint seeds or plants in NZ?
Try Garden centres, herb nurseries.