How to Grow Dubautia

iNaturalist

Dubautia

Dubautia spp.

shrub

Dubautia is a genus of endemic Hawaiian flowering shrubs known for their daisy-like flowers and remarkable diversity across Hawaiian ecosystems. These plants range from low-growing groundcovers to tall shrubs, displaying yellow, white, or purple flowers depending on species. They are highly adapted to Hawaiian volcanic and mesic environments.

When should you plant Dubautia in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Dubautia timeline →

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

  1. Plant Dubautia

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Dubautia

    Around Oct 14

    ≈ 180 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily; some species tolerate partial shade
💧
Water: Low to moderate water needs once established; drought tolerant. Water regularly during establishment, then reduce frequency. Avoid waterlogging.
📏
Spacing: 18-36 depending on species and mature size inches
📅
Days to maturity: 180-365 days to reach flowering size
🌱
Planting depth: Surface sow or 1/4 inch deep; seeds prefer light for germination

Soil

Type: Well-draining volcanic or rocky soil, tolerates poor soil
pH: 6.0-7.5
Amendments:
Perlite or coarse sand for drainage Minimal fertilizer needed

Growing Zones

Find your zone →

Thrives in zones 9b-11, best in warm Mediterranean or tropical climates

9b 10a 10b 11a 11b

Sign up free to see if Dubautia grows in your zone — and get a personalized planting timeline.

Get my Dubautia timeline →

Growth Stages

1

Germination

2-4 weeks

Tiny seedlings emerge with cotyledons; very delicate growth

Keep soil lightly moist, provide bright light, ensure excellent drainage to prevent damping off

2

Seedling

4-8 weeks

First true leaves develop; slow initial growth is typical

Maintain consistent moisture without waterlogging, provide bright indirect light, begin very dilute feeding if desired

3

Vegetative

3-8 months

Plant develops multiple branches and foliage; stem thickens

Reduce watering as drought tolerance increases, minimal fertilizer needed, pinch tips to encourage bushiness if desired

4

Flowering

4-12 weeks, often recurring

Daisy-like flower heads appear in terminal clusters; flowers yellow, white, or purple depending on species

Maintain moderate watering, deadhead spent flowers to encourage continued blooming, reduce nitrogen fertilizer

5

Maturity

Ongoing for years

Plant reaches full size and flowers regularly; becomes more drought tolerant

Water only during drought, minimal maintenance needed, pruning to shape is optional

Companion Planting

Plan your garden →

Plant with:

Ohia lehua (Metrosideros polymorpha) Mamani (Sophora chrysophylla) Hawaiian sedges (Carex spp.) Silversword (Argyroxiphium spp.) Pukiawe (Leptecophylla tameiameiae)

Avoid planting near:

Water-loving tropical plants requiring frequent irrigation Aggressive invasive species (fountain grass, miconia) Plants requiring heavy fertilization

Common Pests

  • Increase humidity slightly, spray with water, use horticultural oil if severe

  • Monitor undersides of leaves, use yellow sticky traps, apply neem oil if needed

  • Ensure excellent drainage, avoid overwatering, improve air circulation around base

  • Hand-remove if few, use horticultural oil or insecticidal soap for infestations

Uses

🦋

Hawaiian Native Habitat Support

Wildlife

Dubautia species provide native habitat and food for Hawaiian honeycreepers, insects, and other endemic fauna. These plants are essential for supporting remaining populations of Hawaii's unique wildlife. [source]

🍳

Traditional Hawaiian Use

Culinary

Some Dubautia species were used historically in traditional Hawaiian practices and ceremonies. The plants hold cultural significance in Hawaiian botanical heritage. [source]

🎨

Cut Flowers and Arrangements

Craft

The daisy-like flowers add texture and color to fresh arrangements, particularly in tropical and contemporary floral designs. Blooms last reasonably well when cut. [source]

🏠

Low-Maintenance Ornamental Landscape

Household

Dubautia is excellent for dry gardens, xeriscaping, and Hawaiian native plant landscapes requiring minimal water and care once established. Suitable for coastal gardens and volcanic landscapes. [source]

💊

Traditional Hawaiian Medicine

Medicinal

Certain Dubautia species have been used in traditional Hawaiian lomilomi and healing practices, though scientific documentation is limited. Important in Hawaiian ethnomedicinal traditions. [source]

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

Harvest Tips

Harvest flowers when fully open for arrangements. Collect seeds in late summer to fall when seed heads dry; seeds are small and should be stored in cool, dry conditions. Prune stems anytime during growing season for shape.

Fun Facts

  • 🌱 Dubautia is endemic to Hawaii with over 20 species found nowhere else in the world, representing remarkable adaptive radiation across diverse Hawaiian habitats from dry lava fields to mesic forests.
  • 🌱 Some Dubautia species have evolved dramatically different forms on different islands—a single species' coastal form may look completely different from its high-elevation counterpart, demonstrating extreme phenotypic plasticity.
  • 🌱 Dubautia is part of the silversword alliance, a fascinating group of Hawaiian plants that evolved from a single tarweed ancestor from California, making them a textbook example of adaptive radiation in the Hawaiian Islands.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Dubautia planting timeline

Tell us your zip code and we'll calculate exactly when to start Dubautia seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Dubautia timeline →