Science

New Zealand's native plant seeds may survive wildfires

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 06/10/2026, 19:40:24 UTC.

Briefings

New Zealand researchers found that native broom and kōwhai seeds can survive temperatures up to 80°C, with mākaka seeds even sprouting after exposure. In contrast, mōhē, tū kōkua, and matagouri seeds died at these temperatures, while invasive gorse survived 100°C and sprouted. This study suggests potential for native seed regeneration during future wildfires, though the research is still preliminary.

Key points

• Native mākaka and kōwhai seeds survived heating to 80°C, with mākaka seeds sprouting after exposure.
• Invasive gorse seeds survived 100°C and sprouted, contrasting with native seeds that died at similar temperatures.

Context and limitations

Research is based on lab heating experiments; field conditions may differ. Results are preliminary and do not account for soil moisture, fire intensity, or seed dispersal mechanisms.

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