Overview
Ixia polystachya is a upright, clump-forming bulbs in the genus Ixia, part of the Iridaceae family, with narrow, linear foliage. Ixia polystachya grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include borders and containers.
About
Ixia polystachya is a bulbous perennial in the Iridaceae family, known for its upright, clump-forming habit and narrow, linear foliage. This cultivar produces vibrant, star-shaped flowers on slender stems during spring and summer. It thrives in full sun with a south-facing, sheltered aspect, preferring well-drained, neutral loam soil. Hardy to UK zone H4, it is suitable for borders and containers. Cultivation involves planting corms at the appropriate depth, with propagation possible through corm division or seed.
Growing conditions
Best soil and position for Ixia
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Ixia polystachya size, habit and characteristics
- Plant type
- Bulbs
- Habit
- Upright, clump-forming
- Foliage
- Narrow, linear
- Suggested uses
- Borders, containers
Care notes
Pruning and caring for Ixia polystachya
- Propagation
- Corm division, seed
- Pest resistance
- Generally pest-resistant
- Disease resistance
- Generally disease-resistant
Frequently asked questions
Where is the best place to plant Ixia polystachya?
Ixia polystachya prefers full sun. It suits sheltered positions.
What soil does Ixia polystachya need?
Ixia polystachya grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Ixia polystachya hardy in the UK?
Ixia polystachya has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Ixia polystachya?
Corm division, seed.
More in the Ixia genus
- Ixia curta

- Ixia latifoliabroad-leaved corn lily

- Ixia maculatageelkalossie

- Ixia mixed

- Ixia 'Mabel'corn lily 'Mabel'
- Ixia 'Marquette'
- Ixia aurea
- Ixia longituda