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Stream Lily

Helmholtzia glaberrima

Also called Flax Lily

Stream Lily
Photo: Stan Shebs, CC BY-SA 3.0

Stream lily is a rhizomatous perennial from subtropical rainforest creek banks in eastern Australia, forming clumps up to 2 m high with dark-green strap-like leaves and white or pale pink summer flower spikes. It grows best in cool, moist, shaded conditions with steady moisture.

Family
Philydraceae (Philydr family)
Grows as
Perennial
Light
Part shade, Shade
Water
Keep the soil consistently moist, especially during active growth, and avoid letting it dry out completely.
Soil
Rich, humus-heavy, well-drained but moisture-retentive soil such as leaf mould or peaty mix.
Temperature
10–25 °C; protect below 5 °C
How easy
Moderate
Native range
E. Australia (Mt. Warning)
Climate
seasonally dry tropical

About

Helmholtzia glaberrima, commonly referred to as stream lily, is a rhizomatous perennial plant which is native to New South Wales and Queensland in Australia.

Stream lilies have long, dark-green strap-like leaves and form clumps that are up to 2 metres high. The tall flower spikes, which appear in the summer, are white or pale pink.

Other Helmholtzia plants

Kuranda · Stream Lilies

Text excerpted from the Wikipedia article Helmholtzia glaberrima by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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