shrub

Twiggy Daisy-Bush

Olearia ramulosa

The Story

Plant Bio

Olearia ramulosa, the twiggy daisy-bush, is an evergreen Australian shrub with an open, slender-stemmed, and highly branched structure. The tiny, narrow leaves are dark green above with pale, woolly undersides, creating a fine-textured, gray-green appearance in the landscape.

This species produces small, daisy-like flower heads with white, pale blue, or mauve ray florets surrounding bright yellow centers. The flowers crowd the ends of the side branches from spring through fall, attracting a wide range of beneficial insects.

Uses & Benefits:

Ornamental UsesProvides a fine-textured, gray-green backdrop with a long display of small, daisy-like flowers.
Practical UsesHighly drought-tolerant once established and performs well in exposed, windy coastal conditions.
Ecological BenefitsAttracts bees, butterflies, and other beneficial insects, and occasionally hosts foraging hummingbirds.

Essentials

At a Glance

Plant Type

Shrub

Height

60"

Width

50"

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Low

Humidity

Moderate

Lifespan

5-10 years

Native To

Australia

Toxicity

Non-toxic

Bloom period

Spring – Fall

J
F
M
A
M
J
J
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In flower about 9 months of the year

Planting

How to Grow

  1. Select a planting site in full sun to partial shade with excellent sub-soil drainage.
  2. Dig a hole twice the width of the root ball and backfill with native soil, avoiding heavy soil amendments.
  3. Water deeply at planting to settle the soil, then water sparingly until the root system is established.
  4. Apply a light layer of organic mulch around the base, keeping it clear of the main stems to prevent rot.

Pro Tip

Amateurs often mistake the naturally open, spindly habit for poor health and attempt to force dense growth with heavy fertilizer or hard pruning; both practices shorten the plant's lifespan. Maintain the natural form with light, annual tip-pruning immediately after flowering, and ensure excellent sub-soil drainage.

Keep It Thriving

Care Guide

Do

  • Prune lightly immediately after the flowering season to encourage fresh, dense growth.
  • Ensure the soil drains rapidly, especially during periods of high rainfall.
  • Grow in a coastal garden where it can tolerate moderate salty winds.

Don't

  • Do not prune hard into old, bare wood, as the plant will fail to reshoot from old stems.
  • Do not over-fertilize, particularly with high-phosphorus formulas.
  • Do not plant in poorly drained clay or low-lying areas where water collects.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Mulch
Pest Check
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Coastal gardensRock gardensMixed shrub bordersWild and naturalistic gardens

Multiply

Propagation Methods

Good to Know

Common Questions

Twiggy Daisy-Bush questions

What zones can Twiggy Daisy-Bush grow in?

Twiggy Daisy-Bush 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 Twiggy Daisy-Bush deer resistant?

Not reliably. Deer may browse Twiggy Daisy-Bush, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Twiggy Daisy-Bush bloom?

Twiggy Daisy-Bush 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 Twiggy Daisy-Bush need full sun?

Twiggy Daisy-Bush does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Twiggy Daisy-Bush drought tolerant?

Yes — once established (usually after the first full season), Twiggy Daisy-Bush 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 Twiggy Daisy-Bush 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.