General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Biennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Plant Height: 12 inches to 48 inches
Leaves: Unusual foliage color
Other: Prickly
Flowers: Showy
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Spring
Summer
Fall
Underground structures: Taproot
Uses: Salad greens
Cooked greens
Will Naturalize
Edible Parts: Stem
Leaves
Eating Methods: Raw
Cooked
Resistances: Humidity tolerant
Propagation: Seeds: Self fertile
Pollinators: Self
Bees
Miscellaneous: Tolerates poor soil

Image
Common names
  • Prickly Lettuce
  • Compass Plant
  • China Lettuce
  • Horse Thistle
  • Milk Thistle

Photo Gallery
Location: West Valley City, UT
Date: 2017-07-31
Location: Fairfax, VA | August, 2022
Date: 2022-08-14
Location: West Valley City, UT
Date: 2017-08-15
Prickly on lower stems.
Uploaded by frankrichards16
Uploaded by frankrichards16
Uploaded by frankrichards16
Uploaded by frankrichards16
Uploaded by robertduval14

Photo courtesy of: Tom Potterfield

Photo courtesy of: Tom Potterfield
Location: zone 8 Lake City, Fl.
Date: 2012-04-12
Location: zone 8 Lake City, Fl.
Date: 2012-04-12
Location: zone 8 Lake City, Fl.
Date: 2012-04-12
Location: zone 8 Lake City, Fl.
Date: 2012-04-12
Location: zone 8 Lake City, Fl.
Date: 2012-04-12
Location: zone 8 Lake City, Fl.
Date: 2012-04-12
Location: central Illinois
Date: 8-28-11
Uploaded by frankrichards16
Location: central Illinois
Date: 2016-07-19
Location: central Illinois
Date: 2016-07-19

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