Cardooon, Artichoke Thistle
Cynaracardunculus 'Porto Spineless'

Category
Herbs

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
This plant is resistant to deer

Foliage Color
Bronze

Height
4-6 ft. (1.2-1.8 m)

Spacing
4-6 ft. (1.2-1.8 m)

Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger

Bloom Color
Medium Purple

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer

Other details
May be a noxious weed or invasive

Soil pH requirements

Patent Information

Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting