Aromatic native pond-margin mint with rounded purple-pink flower heads in late summer. One parent of cultivated peppermint.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 3–9 | −40 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H7 | down to −20 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 3–8 | −34 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 1–6 | −15 °C to 15 °C | Plant tolerates down to this zone |
Growing notes
- Excellent forage for bees and a host plant for numerous moth species
- One of the parent species of cultivated peppermint (the other is spearmint)
- Provides important cover for emerging amphibians at the pond margin
- Vigorous spreader by stolons — contain in pond baskets if planting in a small pond
Categories
Related plants
Cross-check Water mint against your zones