perennial

Flannel Flower

Actinotus helianthi

The Story

Plant Bio

Actinotus helianthi, the flannel flower, is an erect, short-lived Australian perennial with a soft, woolly texture and striking silvery-gray foliage. The daisy-like flower heads feature a central cluster of tiny flowers ringed by ten to eighteen velvety, green-tipped bracts that bloom from spring through fall.

This species is distinguished by its dense covering of soft, floccose white hairs that protect the plant from harsh coastal winds and intense sunlight. The entire plant has a tactile, felt-like quality, with deeply divided leaves that display a prominent silver sheen on new growth.

Uses & Benefits:

Ornamental UsesVelvety, silver-gray foliage and unique star-like white flowers provide striking texture in rockeries and containers.
Practical UsesExcellent as a long-lasting cut flower, with sturdy stems and durable bracts that hold their shape well.
Ecological BenefitsAttracts small native bees and beneficial insects to the garden with its nectar-rich central flowers.

Essentials

At a Glance

Plant Type

Perennial

Height

36"

Width

18"

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Low

Humidity

Low to Moderate

Lifespan

Short-lived Perennial

Native To

Australia

Toxicity

Non-toxic (hairs may cause mild skin irritation)

Bloom period

Spring – Fall

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In flower about 9 months of the year

Planting

How to Grow

  1. Select a planting site in full sun with exceptionally well-drained, sandy or gravelly soil.
  2. Dig a hole twice as wide as the root ball but no deeper, ensuring the soil pH is moderately acidic.
  3. Gently slide the plant from its container without teasing or breaking the fragile, brittle roots.
  4. Position the plant at its original soil level, backfill carefully, and water in lightly to settle the soil.

Pro Tip

Tip-prune stems immediately after the flowering period; cutting back into old, bare wood yields no new growth.

Keep It Thriving

Care Guide

Do

  • Water deeply but infrequently during extended dry spells once the plant is established.
  • Apply a low-phosphorus, controlled-release native fertilizer after the main spring flowering flush.
  • Tip-prune regularly after flowering to maintain a compact, bushy habit.
  • Gently hand-clean yellowing lower leaves during the cooler months to maintain neatness.

Don't

  • Do not disturb, tease, or break the root ball when planting or transplanting.
  • Do not apply standard garden fertilizers containing high levels of phosphorus.
  • Do not plant in heavy clay soils or areas prone to standing water.
  • Do not prune hard back into old, leafless wood, as stems rarely regenerate from bare wood.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Pest Check
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Rock GardensCoastal GardensContainer PlantingCut Flower GardensGravel Beds

Multiply

Propagation Methods

Good to Know

Common Questions

Flannel Flower questions

What zones can Flannel Flower grow in?

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.

Is Flannel Flower deer resistant?

Not reliably. Deer may browse Flannel Flower, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Flannel Flower bloom?

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

Does Flannel Flower need full sun?

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

Is Flannel Flower drought tolerant?

Yes — once established (usually after the first full season), 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 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.