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Plant Database
Italian thistle

Italian thistle

Carduus pycnocephalus

herbaceous☀️ full sun💧 low water Hardy: Zone 8bZone 11b

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Italian thistle is a spiny, upright biennial or short-lived perennial with purple-pink flower heads typical of the thistle family. It thrives in dry, disturbed sites and is considered invasive in many regions outside its native range.

Overview

Form
Upright
Growth Rate
fast
Size
1.5–4′ tall × 1–2′ wide
Dormancy
evergreen
Family
Asteraceae

Native Range

Mediterranean

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

Companion Planting

Plants well with