How to Grow Arthropodium

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Arthropodium

Arthropodium cirrhatum

flower

Arthropodium, commonly known as Renga Lily or Hanging Lily, is an evergreen perennial native to New Zealand with attractive arching foliage and delicate white star-shaped flowers on tall spikes. The plant produces graceful runners with small plantlets, creating an elegant cascading effect ideal for containers and hanging baskets. It is a low-maintenance ornamental valued for its architectural foliage and charming floral displays.

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Example Arthropodium timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Arthropodium

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Arthropodium blooms

    Mid-to-late summer

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Arthropodium dates for your own zip code.

Growing Conditions

☀️
Sun: Partial shade to full sun; prefers 4-6 hours of direct sunlight daily
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply when the top inch of soil is dry. Reduce watering in winter. In hanging baskets, water more frequently as containers dry faster.
📏
Spacing: 12-18 inches
📅
Days to maturity: Flowering begins in 12-18 months from transplant
🌱
Planting depth: 1/4 inch for seed; plant crowns at soil level

Soil

Type: Well-draining loamy soil with organic matter
pH: 6.0-7.0
Amendments:
Compost Perlite or sand for drainage Peat moss or coco coir

Growing Zones

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Thrives in zones 9b-11, with frost protection in zone 9a

9b 10a 10b 11

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Growth Stages

1

Establishment

4-6 weeks

Young plantlets develop a rosette of narrow, arching green leaves. Root system is establishing.

Keep soil consistently moist. Provide bright, indirect light. Protect from strong winds that may damage tender foliage.

2

Vegetative Growth

3-6 months

Plant develops fuller foliage clumps with increasingly arching leaves. Runners may begin to form.

Maintain regular watering schedule. Apply balanced fertilizer monthly during growing season. Remove any dead or damaged leaves.

3

Runner Development

Ongoing, typically after 6-12 months

Long, thread-like runners (stolons) emerge from the base, cascading downward with small plantlets forming at nodes.

Support runners if desired or allow to cascade freely. Plantlets will root readily in soil or moist air.

4

Flowering

4-8 weeks per cycle; may bloom multiple times yearly in ideal conditions

Delicate white star-shaped flowers with yellow centers appear on tall spikes rising above the foliage, typically in spring to early summer.

Continue consistent watering and feeding. Support flower spikes if they become top-heavy. Deadhead spent flowers to encourage prolonged blooming.

5

Post-Flowering & Propagation

Ongoing throughout growing season

After flowering, plantlets on runners mature and can be detached. Plant focuses energy on producing new foliage and runners.

Reduce fertilizer. Allow plantlets to root before detaching. Cut back old flower spikes once completely dried.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Aggressive spreading plants Deep-rooted perennials competing for moisture

Common Pests

  • Increase humidity by misting foliage; use insecticidal soap or neem oil if infestation occurs

  • Remove with cotton swab dipped in rubbing alcohol; treat with insecticidal soap if severe

  • Scrape off manually or treat with horticultural oil or insecticidal soap

  • and

    Remove by hand, use slug traps, or apply diatomaceous earth around the plant base

Uses

🍳

Not edible

Culinary

Arthropodium is purely ornamental and not cultivated for culinary purposes. [source]

🏠

Interior decoration and hanging baskets

Household

The arching foliage and cascading runners make Arthropodium ideal for indoor hanging baskets, shelves, and as a trailing houseplant in bright indirect light. The delicate flowers add visual interest to garden rooms and conservatories. [source]

🎨

Cut flowers and floral arrangements

Craft

The tall flower spikes with delicate white blooms are suitable for cutting and arranging in floral designs, providing a lightweight, elegant addition to mixed bouquets. [source]

🦋

Pollinator attraction

Wildlife

The star-shaped flowers attract bees and other beneficial pollinators, making Arthropodium a useful ornamental for supporting garden ecosystems. [source]

Harvest Tips

Arthropodium is primarily ornamental; flowers can be cut for floral arrangements at peak bloom. Plantlets can be detached from runners once they develop roots (visible after 2-3 weeks in soil or water) and potted individually for propagation.

Fun Facts

  • 🌱 Arthropodium gets its common name 'Hanging Lily' from its distinctive arching growth habit and the way runners with plantlets cascade elegantly from containers.
  • 🌱 The small plantlets that form along the runners are clones of the parent plant and can be detached and propagated to create new plants, making Arthropodium an excellent choice for gardeners interested in easy propagation.
  • 🌱 Despite being native to New Zealand, Arthropodium adapts well to container growing and indoor environments, making it popular in temperate and tropical gardens worldwide where it thrives with minimal care.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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