Photo By silversea_starsong , used under CC-BY-NC-4.0 /Cropped and compressed from original

How to Grow and Care for Yellow star-thistle

Yellow star-thistle, also known as Golden starthistle, St. Barnaby's thistle, Yellow cockspur, Barnaby's thistle, Yellow centaury

Yellow star-thistle (Centaurea solstitialis) is a flowering plant species indigenous to the Mediterranean Basin. It blooms in spring. Yellow star-thistle is also known as St. Barnaby's thistle.

Watering schedule: Every week

Sunlight Requirements: Full sun

In This Article

Planting and Growing Yellow star-thistle

Lifespan	Annual, Biennial
Watering Schedule	Every week
Sunlight Requirements	Full sun
Soil pH	6-7
Hardiness Zones	5-9

A Botanist in Your Pocket

Scan QR code to download

Common Pests & Diseases

Feedback

Common issues for Yellow star-thistle based on 10 million real cases

Plant disease auto-diagnose & prevention

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App for Free

More General Info About Yellow star-thistle

Feedback

Quickly Identify Yellow star-thistle

Feedback

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Yellow star-thistle exhibits a distinctive appearance with bright yellow flower heads surrounded by light green bracts adorned in fine, cobweb-like hairs. These bracts harbor robust, straw-colored spines spanning 1-2 inches (2.5-5 cm) in a star pattern, offering a key identifying trait. The plant is a visually striking member of the Asteraceae family, with thistle-like characteristics that make it recognizable.