General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
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 5b -26.1 °C (-15 °F) to -23.3 °C (-10 °F)
Maximum recommended zone: Zone 8b
Plant Height: 2-4 feet
Leaves: Deciduous
Fruit: Other: 6-valved capsule
Flowers: Showy
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Summer
Late summer or early fall
Underground structures: Rhizome
Uses: Will Naturalize
Wildlife Attractant: Butterflies
Propagation: Other methods: Cuttings: Stem
Pollinators: Flies

Image
Common names
  • Birthwort

Photo Gallery

Photo by H. Zell
Location: My garden, KY
Date: 2021-06-05
Location: Muiderslot Castle Garden
Date: 2021-07-27
Location: Muiderslot Castle Garden

Reseeds like crazy, gets to about six feet tall
Location: Muiderslot Castle Garden

Photo by H. Zell - background Andreas Plank

photo credit: H. Zell

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