Boar Thistle
Galactites tomentosus
Also listed as Galactites elegans, Calcitrapa galactites
Also known as Mediterranean Thistle
Climate Match for your location
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A spiny, thistle-like perennial with purple-pink flowers and woolly, gray-green foliage. It thrives in dry, sunny conditions and is drought-tolerant once established.
Why grow it
Boar thistle offers a Mediterranean aesthetic with reliable purple-pink blooms and silvery foliage in low-water gardens where many ornamentals struggle. Compared to common thistles, its woolly leaf texture creates softer visual interest while maintaining the same drought resilience and minimal fertility requirements. It performs well in poor, well-draining soils where conventional perennials demand amendment, making it practical for difficult sites.
Watch out for
Plants may self-seed prolifically in ideal conditions, so deadheading spent flowers can prevent unwanted spread in cultivated areas. The spiny foliage requires gloves for handling and weeding around established plants, and positioning matters in high-traffic garden zones where passers-by brush against stems.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Asteraceae
Native Range
Mediterranean
Seasonality
Bloom Season
Season of Interest
Herb
Soft non-woody plants of the field layer.
Succession Role
Tolerances & Soil
Establishment & Care
- Establishment
- Maintenance
- Propagation
A spiny, thistle-like perennial with purple-pink flowers and woolly, gray-green foliage. It thrives in dry, sunny conditions and is drought-tolerant once established.
Climate Match for your location
See how well Boar Thistle grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
Why grow it
Boar thistle offers a Mediterranean aesthetic with reliable purple-pink blooms and silvery foliage in low-water gardens where many ornamentals struggle. Compared to common thistles, its woolly leaf texture creates softer visual interest while maintaining the same drought resilience and minimal fertility requirements. It performs well in poor, well-draining soils where conventional perennials demand amendment, making it practical for difficult sites.
Watch out for
Plants may self-seed prolifically in ideal conditions, so deadheading spent flowers can prevent unwanted spread in cultivated areas. The spiny foliage requires gloves for handling and weeding around established plants, and positioning matters in high-traffic garden zones where passers-by brush against stems.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Asteraceae
Native Range
Mediterranean
Seasonality
Bloom Season
Season of Interest
Herb
Soft non-woody plants of the field layer.
Succession Role
Tolerances & Soil
Establishment & Care
- Establishment
- Maintenance
- Propagation
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