General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 12 to 24 inches
Leaves: Malodorous
Fruit: Showy
Edible to birds
Fruiting Time: Late summer or early fall
Flowers: Showy
Flower Color: White
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Underground structures: Taproot
Uses: Culinary Herb
Medicinal Herb
Will Naturalize
Edible Parts: Leaves
Seeds or Nuts
Eating Methods: Raw
Cooked
Wildlife Attractant: Bees
Birds
Butterflies
Propagation: Seeds: Self fertile
Pollinators: Self
Flies
Bees

Image
Common names
  • Field Pennycress
  • Fanweed
  • Field Penny Cress
  • Pennycress

Photo Gallery
Location: South Carolina
Date: 2023-07-01
Location: The Black Hills, SD
Date: 5/24/2022
Grows natively
Location: South Carolina
Date: 2023-07-01
Location: The Black Hills, SD
Date: 5/24/2022
Grows natively
Location: IL
Date: 2016-05-28
Taken at local forest preserve.
Location: Johnston Canyon, Banff, Canada | August, 2022
Date: 2022-08-02
Location: Heathcote Ontario Canada
Date: 2019     summer-fall
Thlaspi arvense      flower and seedpod forming

Showing the two auricles that clasp the stem in lower leaves

Date: 2018-06-15

Date: 2018-06-15
Location: SE Michigan
Date: 2016-06-16
Uploaded by sooby
Location: SE Michigan
Date: 2016-06-16

Date: 2018-06-15
Location: Lake Louise, Banff, Canada | August, 2022
Date: 2022-07-31

Credit NPS

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