Actinotus helianthi
perennial

Flannel Flower, Federation Star, Sydney Flannel Flower

Actinotus helianthi

The Story

Plant Bio

Actinotus helianthi, commonly known as the flannel flower, is an erect, soft-wooded perennial native to the coastal heaths and dry sclerophyll woodlands of eastern Australia. The entire plant is covered in a soft, woolly, silver-grey tomentum, with deeply divided leaves and daisy-like flower heads that bloom primarily from spring to autumn.

The striking flower heads consist of a central cluster of tiny true flowers surrounded by ten to eighteen velvety, green-tipped white bracts. Older lower leaves naturally dry and turn yellow while remaining attached to the brittle stems, requiring manual grooming to maintain a clean appearance.

Uses & Benefits:

Ornamental UsesProduces distinctive, velvety white daisy-like flower heads and soft silver-grey foliage that provides strong textural contrast.
Practical UsesFunctions as an exceptional cut flower with long, sturdy stems and a long vase life.
Ecological BenefitsProvides a rich source of nectar that attracts native bees, beneficial wasps, butterflies, and generalist insect pollinators.

Essentials

At a Glance

Plant Type

Perennial

Height

60 inches

Width

40 inches

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Low

Humidity

Low to Moderate

Lifespan

Short-lived perennial (2-4 years)

Native To

Australia

Toxicity

Non-toxic (hairs may cause mild skin irritation)

Bloom period

Spring – Autumn

J
F
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A
M
J
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In flower about 7 months of the year

Planting

How to Grow

  1. Select an open, airy position in full sun or light partial shade with exceptionally free-draining, sandy or gravelly soil.
  2. Prepare an elevated planting mound or use a deep container filled with a coarse, low-organic native potting mix to ensure rapid drainage.
  3. Install the plant carefully to avoid root disturbance, keeping the collar slightly proud of the surrounding soil line.
  4. Water consistently during the initial establishment phase, then reduce frequency to allow the topsoil to dry completely between waterings.

Pro Tip

Plant exclusively in highly permeable, coarse sandy mixes or elevated mounds to prevent collar rot; never prune hard into old, leafless wood as these stems lack dormant buds to reshoot.

Keep It Thriving

Care Guide

Do

  • Provide an open, breezy position to maintain good air circulation around the woolly foliage.
  • Tip-prune lightly immediately after the main spring flowering flush to encourage a bushy habit.
  • Apply a balanced, low-phosphorus native fertiliser or weak liquid seaweed during the active growing season.

Don't

  • Do not plant in heavy clay or poorly drained garden loam, which inevitably triggers fatal root rot.
  • Do not wet the foliage when watering, as trapped moisture in the woolly hairs promotes fungal pathogens.
  • Do not cut back hard into old, bare, woody stems that lack active green leaves.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Pest Check
Propagate
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Coastal gardensRockeries and gravel gardensFeature containersNative wildflower borders

Multiply

Propagation Methods

Good to Know

Common Questions

Flannel Flower, Federation Star, Sydney Flannel Flower questions

What zones can Flannel Flower, Federation Star, Sydney Flannel Flower grow in?

Flannel Flower, Federation Star, Sydney Flannel Flower is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

When does Flannel Flower, Federation Star, Sydney Flannel Flower bloom?

Flannel Flower, Federation Star, Sydney Flannel Flower typically blooms in spring through autumn. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Flannel Flower, Federation Star, Sydney Flannel Flower need full sun?

Flannel Flower, Federation Star, Sydney Flannel Flower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Flannel Flower, Federation Star, Sydney Flannel Flower drought tolerant?

Yes — once established (usually after the first full season), Flannel Flower, Federation Star, Sydney Flannel Flower handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Explore the genus

Hardy in your zone?

Grow Flannel Flower, Federation Star, Sydney Flannel Flower with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.