Overwintering guide
How to overwinter new zealand micro sword
Winter watering
Water rarely, and only in dry spells — winter wet is a bigger risk than winter cold. Make sure containers drain freely.
The mistake that kills new zealand micro sword in winter
Leaving new zealand micro sword in a pot standing in a saucer of water. Waterlogged compost freezes solid around the roots and kills plants that would have survived the cold perfectly well.
More new zealand micro sword care
Overwintering new zealand micro sword — FAQ
Does new zealand micro sword need to come indoors for winter?
New Zealand Micro Sword is hardy to roughly USDA zone 8 — winter lows around -12°C. That means it survives outside in mild areas, but wants shelter in a hard winter. New Zealand Micro Sword can stay outside over winter in most areas, but appreciates some protection in a cold snap. Mulch generously over the root zone, move containers against a sheltered wall (pots freeze far harder than open ground), and have horticultural fleece ready for the worst nights. The roots are what you are protecting — top growth can be sacrificed and regrown.
When should I move new zealand micro sword for winter?
Mulch and move pots into shelter in late autumn, before the first hard frosts.
How often should I water new zealand micro sword in winter?
Water rarely, and only in dry spells — winter wet is a bigger risk than winter cold. Make sure containers drain freely.
What kills new zealand micro sword over winter?
Leaving new zealand micro sword in a pot standing in a saucer of water. Waterlogged compost freezes solid around the roots and kills plants that would have survived the cold perfectly well.