Velvet groundsel (Roldana petasitis)

Also known as: Butterbur Ragwort

Velvet groundsel, now known as Roldana petasitis, was formerly classified under the genus Senecio and sometimes referred to as Senecio cristobalensis. Native to Mexico, this evergreen shrub can reach heights of 2.5 to 3 meters, with large leaves spanning up to 2.5 meters in width.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Velvet groundsel

Lifespan

Perennial

Plant Type

Shrub

Plant Height

3 m

Spread

3 m

Leaf Color

Green

Flower Size

2.5 cm

Flower Color

Yellow

Images of Velvet groundsel

Quickly Identify Velvet groundsel

Large, roundish velvety leaves measuring 8 inches (20 cm) in width and length.

Branched inflorescence with deep burgundy buds blooming into vibrant yellow daisy-like flowers.

Robust evergreen shrub reaching heights and widths of 8 to 10 feet (2.4 to 3 meters).

Bright green hue of leaves distinguishes the plant's appearance.

Tolerant to varying soil types and irrigation, preferring full sunlight or partial shade.

Scientific Classification of Velvet groundsel

Phylum

Vascular plants

Class

Dicotyledons

Order

Asterales

Family

Daisy

Genus

Roldana

Species

Velvet groundsel

Planting and Growing of Velvet groundsel

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

10-12 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 Velvet groundsel?

For Roldana petasitis, each watering should thoroughly moisten the soil but allow it to dry slightly between waterings. Aim for about 500 ml of water each session, ensuring it penetrates deeply without waterlogging the roots.

What are the symptoms of an underwatered Velvet groundsel? ›

What should I do if my Velvet groundsel is not getting enough water? ›

What are the symptoms of an overwatered Velvet groundsel? ›

How to save an overwatered Velvet groundsel? ›

What Are the Sunlight Requirements for Velvet groundsel?

Sunlight Requirements: Partial sun, Full sun

Duration of light: 4 to 6 hours

Roldana petasitis is best suited to partial to full sunlight, benefiting from balanced exposure. Ideal light ensures steady growth, vibrant leaves, and resilience to environmental stress.

How much sunlight does Roldana petasitis need? ›

What are the solutions to provide ideal sunlight? ›

What are the benefits of providing ideal light conditions? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Velvet groundsel?

Ideal Temperature: 60 ~ 75℉

Roldana petasitis thrives best in environments where temperatures range between 60°F and 75°F. In this range, the plant exhibits optimal growth, vibrant foliage, and robust health. Maintaining consistent temperatures within this range helps in reducing stress and promoting an overall healthy development of the plant.

What Soil is Best for Velvet groundsel?

Soil type: Loam, Sandy loam, Sand soil

Soil PH: 6.5 ~ 7.5

Roldana petasitis thrives in soil that drains well, preventing root rot and allowing the roots to access necessary nutrients and oxygen. Good drainage ensures that the plant can produce vibrant foliage and robust growth. This plant benefits from soil that is rich in organic matter, which provides the essential nutrients it needs for healthy growth. Amending the soil with compost or well-rotted manure can greatly enhance its growth. Roldana petasitis requires moderate moisture levels in the soil. Though it is drought-tolerant, consistent moisture helps prevent wilting and supports lush foliage, which is characteristic of this plant.

How to Fertilize Velvet groundsel?

Fertilizer type: Balanced

Roldana petasitis thrives with moderate fertilization. For liquid fertilizers, use a balanced 10-10-10 NPK formula at half the recommended strength to avoid overfeeding. When using slow-release fertilizers, apply according to label instructions, sparingly, to provide steady nutrients over time.

How to Prune Velvet groundsel?

Pruning Time: Spring, Summer, Autumn, Winter

Begin by inspecting the plant for any dead or yellowing leaves, which should be removed first. This allows the plant to focus energy on new growth and maintains its overall health. When pruning, make cuts just above the leaf nodes. This encourages the development of side shoots, promoting a fuller and bushier appearance that is aesthetically pleasing. Trim back any excessively long or leggy stems to maintain the plant's shape. This is especially important if you are growing Roldana petasitis in a confined space, as it can grow quite large. More About Pruning Techniques→

How to Propagate Velvet groundsel plant?

Propagate Time: Early spring, Late spring, Early summer

Allow the flower heads to mature and dry out on the plant. Collect the seeds by lightly shaking or stripping them from the flower heads. Store seeds in a cool, dry place until ready to sow.

Use sharp, sterilized pruning shears to take 4-6 inch cuttings from healthy, non-flowering stems. Remove the lower leaves to expose nodes that will root and ensure the cuttings are kept moist.

Carefully extract the plant from the ground, and use a sharp knife to divide the root ball into sections. Each section should have healthy roots and stems, ensuring good growth potential.

More About Propagating Techniques→

How to Repot Velvet groundsel plant?

Repotting frequency: Every 1-2 years

Repot Roldana petasitis when it shows signs of being root-bound, such as roots growing out of drainage holes or slowed growth. Typically, repotting is needed every 1-2 years to refresh soil nutrients and give roots more space.

Select a pot that is one size larger than the current one, with ample drainage holes. This ensures optimal root growth and prevents waterlogging, reducing the risk of root rot and encouraging healthy development.

Opt for a well-draining potting mix that provides adequate aeration and retains enough moisture without becoming soggy. This prevents water stagnation, reduces the risk of root diseases, and supports vibrant growth.

Toxicity

Ingestion, Skin contact

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.