General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Wet Mesic
Soil pH Preferences: Very strongly acid (4.5 – 5.0)
Strongly acid (5.1 – 5.5)
Plant Height: 8-12 inches
Plant Spread: 2-4 inches
Flowers: Inconspicuous
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Summer
Suitable Locations: Bog gardening

Image
Common names
  • Lesser Canadian St. Johnswort

Photo Gallery
Location: Bloomingdale, NJ
Date: July 4, 2020
Buds, Bloom, developing seed pods. Flower is about 1/8 inch to 1/
Location: Bloomingdale, NJ
Date: 2020-04-18
Drosera filiformis in upper right. Purple-red young leaves at bas
Location: Bloomingdale, NJ
Date: May 2, 2020 
Advancing growth of plants. Some green is showing.
Location: Bloomingdale, NJ
Date: July 4, 2020
Growing as a weed in a 6 inch pot of Sarracenia purpurea.
Location: Work Nikon Microscope
Date: Oct. 30, 2020
Scale bar is 0.1mm.
Comments:
  • Posted by Jerrytheplater (Bloomingdale, NJ - Zone 6b) on May 13, 2024 6:00 PM concerning plant:
    Lesser Canadian St. Johnswort self sows and will slowly spread throughout your collection of plants or spread in your bog garden.

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