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Milk thistle

Milk thistle

Milk thistle

Silybum marianum

herb☀️ full-sun🪴 well drained📏 medium🌡️ RHS H4–H5

📋Quick Facts

Water

💧💧 Average watering

Hardiness

Zone 5-10

About

Spiny thistle with mottled leaves; seeds used in herbal remedies.

Top tip
Milk thistle is prickly and self-seeding; give it space, stake if necessary and remove unwanted seedlings.
Also known as: Milk thistle, Silybum marianum, Cardo mariano, Chardon-Marie, Mariendistel, Mariadistel, Ostropest plamisty, Cardo-mariano

Pest Resilience

5/5 — Highly resilient

Prickly and aromatic; virtually nothing eats it.

Visual Characteristics

Fruits

Yes

Harvest: Late summer to autumn / fall

🍳

Culinary

Culinary Use

Roasted seeds as snack, herbal tea, young leaves sautéed, stems peeled and braised, salad garnish

The milk thistle year in your garden

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How to Propagate

🌰Seed
Easy

This plant produces viable seeds for propagation

Hardiness Zones

H1a (tender)H7 (very hardy)
RHS H4–H5

USDA 7 equivalent

Names in Other Languages(7)