How to Grow Black Anther Flax Lily

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Black Anther Flax Lily

Dianella revoluta

grass

Dianella revoluta is a native Australian evergreen perennial grass with strap-like, glossy dark green foliage that forms dense clumps. It produces delicate lavender to purple flowers in late spring followed by ornamental bright blue berries. This hardy, low-maintenance plant is valued for its year-round foliage interest and distinctive fruit.

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Example Black Anther Flax Lily timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Black Anther Flax Lily

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Black Anther Flax Lily

    Around Sep 14

    ≈ 150 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Black Anther Flax Lily dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to partial shade, 4-8 hours of direct sunlight daily
💧
Water: Moderate watering when young; once established, very drought tolerant. Water during dry periods in summer. Avoid waterlogged conditions.
📏
Spacing: 18-24 inches
📅
Days to maturity: 150-200 days to first flowers from transplant
🌱
Planting depth: Surface sow seeds or plant divisions at soil level; transplants at same depth as containers

Soil

Type: Well-draining loamy or sandy soil
pH: 6.0-7.0
Amendments:
Compost Coarse sand or gravel for drainage Organic matter for moisture retention in sandy soils

Growing Zones

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Thrives in zones 9-11, tolerates zone 8b with protection

9a 9b 10a 10b 11a 11b

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Growth Stages

1

Establishment

2-3 months

Young plants develop their characteristic strap-like foliage in compact clumps. New shoots emerge from rhizomes.

Keep soil consistently moist but not waterlogged. Provide afternoon shade in hot climates. Protect from harsh winds.

2

Vegetative Growth

3-6 months

Clumps expand with new foliage emerging continuously. Plant forms a dense, fountain-like mound of dark green leaves.

Reduce watering frequency as drought tolerance increases. Fertilize sparingly in spring. Remove any dead or damaged foliage.

3

Flowering

4-8 weeks (late spring to early summer)

Delicate panicles of tiny lavender to purple flowers appear on thin stems above the foliage. Flowers are short-lived but profuse.

Flowers attract pollinators. No deadheading necessary unless you want to redirect energy to berry production. Ensure adequate water during bloom.

4

Fruiting

3-4 months (summer through fall)

Flowers are replaced by distinctive bright cobalt-blue berries that persist on the plant. Berries are highly ornamental and attract birds.

Leave berries on plant for maximum ornamental effect and to feed wildlife. Berries can self-seed; deadhead if you prefer to prevent volunteers.

5

Dormancy/Winter

3-4 months

Foliage remains evergreen and attractive. Growth slows significantly in winter months.

Minimal watering required. In zone 8b, mulch around base for frost protection. No pruning needed unless tidying up frost-damaged tips.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring consistently wet soil Tall shade-casting trees that block sunlight Plants competing for water in arid settings

Common Pests

  • and

    Remove by hand, use copper tape barriers, apply organic slug baits, encourage natural predators

  • Increase humidity, spray with water, use neem oil or miticide in severe cases

  • Prune infested stems, spray with horticultural oil, remove manually with stiff brush

  • Improve air circulation, remove affected foliage, avoid overhead watering, apply fungicide if severe

Uses

🏠

Cut flowers and floral arrangements

Household

The delicate purple flowers and structural foliage make attractive additions to fresh or dried floral arrangements. The blue berries add decorative interest to floral designs. [source]

🦋

Bird food and habitat

Wildlife

The bright blue berries are highly attractive to native birds and wildlife. The dense foliage provides shelter and nesting sites for small birds and insects. [source]

🏠

Landscape ornamentation

Household

Year-round evergreen foliage, delicate flowers, and striking blue berries make this an excellent ornamental specimen. Ideal for modern, native, and drought-tolerant gardens. [source]

💊

Traditional Aboriginal uses

Medicinal

Indigenous Australians traditionally used various Dianella species medicinally and for food. The plant holds cultural significance in native plant restoration. [source]

🎨

Native plant cultivation

Craft

As an Australian native, Dianella revoluta is valuable for ecological restoration and xeriscaping projects. Its low maintenance needs make it ideal for sustainable landscaping. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Dianella revoluta is an ornamental plant, not typically harvested for food. Cut foliage can be used in floral arrangements; harvest stems in early morning when fully hydrated. Collect ripe blue berries for seed propagation in fall. Cut flowering stems for bouquets when flowers are fully open but not yet past prime.

Fun Facts

  • 🌱 The brilliant cobalt-blue berries are so striking and persistent that they remain on the plant through much of the year, providing a reliable food source for native Australian birds, particularly native pigeons and parrots.
  • 🌱 Dianella revoluta is one of approximately 40 species in the genus Dianella, which is found primarily in Australia and the South Pacific, with some species present in South Africa and Mediterranean regions.
  • 🌱 The common name 'Black Anther Flax Lily' refers to the dark-colored anthers of the flowers and the flax-like appearance of the linear leaves, though despite the name it is not a true flax (Linum) but rather a member of the Asphodelaceae family.

Gardening Terms

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