New Zealand Rock Lily 'Matapouri Bay' (Arthropodium cirratum 'Matapouri Bay')

New Zealand Rock Lily 'Matapouri Bay'

Arthropodium cirratum 'Matapouri Bay'

It forms lush clumps of arching foliage, softening garden edges. Evergreen herbaceous perennial; common name: Rock Lily.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright indirect to partial sun; tolerates light shade and sheltered coastal conditions; avoid harsh midday summer sun
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Watering Water deeply when the top 2–3 cm of soil dries out; avoid waterlogging to prevent root rot
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Temperature Hardy to light frosts; perform best in mild temperate conditions; protect from extreme heat or heavy freezes
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Characteristics

  • Leaf: Long, arching strap-like leaves, glossy deep green, forming tight basal clumps
  • Flower: Fragrant star-shaped white blooms on slender upright branching stems
  • Stem: Slender, rigid flowering stems rising 0.5–1 m above foliage clumps
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Care Guide

Watering

Maintain evenly moist soil; increase frequency during hot, dry spells

Fertilization

Diluted balanced feed every 4 weeks. Avoid over-fertilizing to prevent foliar burn; stop feeding in late autumn

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drench; discard solids to avoid pest infestations
Pruning
  • Remove spent flower stems at the base after blooming to maintain tidy growth
  • Trim yellowing or damaged leaves at the basal clump to improve airflow
  • Divide overcrowded clumps in early spring for propagation and renewed growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic; no risk of poisoning from ingestion or contact

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental groundcover, container plant, cut flower arrangement filler