To achieve ideal lighting conditions for Dubautia scabra, position the plant in an area where it can receive ample morning sun with some afternoon shade. This balances the intense heat of midday sun while still providing sufficient light for photosynthesis.

If indoors, place Dubautia scabra near an east-facing window to capture the morning light. For outdoor planting, ensure that taller plants or structures provide afternoon shade, creating a gentle lighting environment that mimics its natural habitat.

When Dubautia scabra receives optimal lighting, it grows vigorously with healthier, lush foliage. Adequate sun exposure enhances its photosynthesis, leading to robust growth and a greater resistance to pests and diseases.

Dubautia scabra (Dubautia scabra)

Also known as: Pillwort Dubautia, Rough Dubautia

The plant you're referring to is Dubautia scabra, a hardy shrub indigenous to Hawaii's rugged and alpine areas. It features tough, hairy leaves that can withstand harsh, windy environments. The plant's small yellow flower clusters provide a striking contrast to its green leaves. Its roots are specially adapted to secure the plant in volcanic soils, ensuring it remains stable in its challenging surroundings.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Dubautia scabra

Lifespan

Perennial

Plant Type

Shrub

Plant Height

0 mm to 30 cm

Spread

0.5 to 1 meter

Leaf Color

Green

Flower Size

1 to 2 centimeters

Flower Color

Yellow

Images of Dubautia scabra

Quickly Identify Dubautia scabra

To identify Dubautia scabra, look for its rough, scabrid leaves and small, yellow, daisy-like flowers. The leaves are typically lance-shaped and tough-textured.

Scientific Classification of Dubautia scabra

Phylum

Vascular plants

Class

Dicotyledons

Order

Asterales

Family

Daisy

Genus

Dubautia

Species

Dubautia scabra

Planting and Growing of Dubautia scabra

Care Difficulty

Hard

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Dubautia scabra?

Dubautia scabra requires about 250 milliliters of water per session. The key is to ensure the soil is thoroughly moistened but not waterlogged. Water evenly around the plant until it starts to drain out of the bottom to guarantee deep root hydration.

What are the symptoms of an underwatered Dubautia scabra? ›

What should I do if my Dubautia scabra is not getting enough water? ›

What are the symptoms of an overwatered Dubautia scabra? ›

How to save an overwatered Dubautia scabra? ›

What Are the Sunlight Requirements for Dubautia scabra?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 4 to 8 hours

Dubautia scabra thrives in full to partial sun. Ensuring 4 to 8 hours of sunlight improves photosynthesis efficiency, promoting vibrant foliage and strong structural integrity.

Solution Overview ›

Specific Measures ›

Beneficial Outcomes ›

What Is the Ideal Temperature Range for Dubautia scabra?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for cultivating Dubautia scabra is between 60°F and 75°F. This range allows the plant to thrive by ensuring optimal physiological and metabolic processes, facilitating vigorous growth and healthy leaf development.

What Soil is Best for Dubautia scabra?

Soil type: Sandy loam, Loam

Soil PH: 6.5 ~ 7.5

Dubautia scabra thrives in well-draining soil to prevent root rot, a common problem when the roots sit in too much water. By ensuring good drainage, you can enhance the xerophytic qualities the plant has adapted for its native environments in Hawaii. This plant benefits from a nutrient-rich substrate, which supports its lush growth and blooming potential. Amending the soil with organic matter not only enriches the soil but also fosters a vibrant habitat akin to Dubautia scabra’s natural ecosystem. A balance in moisture retention is crucial, where soil holds enough moisture to keep the plant hydrated without becoming waterlogged. This balance is essential in mimicking its natural conditions, which helps Dubautia scabra flourish and maintain its foliage vitality.

How to Fertilize Dubautia scabra?

Fertilizer type: Balanced

For Dubautia scabra, a balanced liquid fertilizer should be applied at a ratio of 10-10-10. Measure out approximately 1 tablespoon per gallon of water for each application, ensuring even distribution.

How to Prune Dubautia scabra?

Pruning Time: Spring, Summer, Autumn

Begin pruning Dubautia scabra by selecting sharp, sterilized pruning shears to avoid any plant damage or disease spread. Remove any dead or unhealthy branches first, making clean cuts at a 45-degree angle close to the main stem. Trim back overgrown areas to encourage a bushier shape while maintaining the plant's natural form. Avoid cutting more than one-third of the plant to prevent shock. More About Pruning Techniques→

How to Propagate Dubautia scabra plant?

Propagate Time: Early spring,Spring

Harvest seeds from mature Dubautia scabra plants when seed heads are fully dry. Make sure to collect seeds on a dry day to avoid mold.

Select healthy stems, preferably non-flowering ones, and cut them below a node. Ensure the cut is clean to promote rooting.

Use a well-draining potting mix or a blend of peat and sand for seed sowing and cuttings to ensure excess moisture is drained away.

More About Propagating Techniques→

How to Repot Dubautia scabra plant?

Repotting frequency: Every 2-3 years

Dubautia scabra needs repotting when its roots outgrow the current pot, known as root bound, or when soil drainage becomes poor. This affects the plant's growth, sunlight absorption, and overall health, calling a change.

Choose a pot one size larger than the current one, with ample drainage holes. This ensures the roots have room to grow and reduces the risk of waterlogging, which can cause root rot and other health issues.

Use a well-draining, slightly acidic soil mix. This allows excess water to escape easily and mimics the plant's natural environment, providing the necessary nutrients and structure for healthy root development.