General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9a
Plant Height: 24 - 60 inches
Plant Spread: 12 - 36 inches
Leaves: Deciduous
Fruit: Showy
Flowers: Showy
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Summer
Suitable Locations: Bog gardening
Uses: Provides winter interest
Water gardens
Dried Flower

Image
Common names
  • Seed Box
  • Bushy Waterprimrose
  • Seedbox

Photo Gallery
Location: Missouri Botanical Garden in St Louis
Date: 2023-10-16
Yellowish fall color. Characteristic 'seed boxes' can be seen als
Location: Southern Pines, NC (Reservoir Park)
Date: June 23, 2022
Primrose #237; RAB page 747, 137-1-9; AG page 187, 42-2-1; LHB p.
Location: Southern Pines, NC (Reservoir Park)
Date: June 23, 2022
Primrose #237; RAB page 747, 137-1-9; AG page 187, 42-2-1; LHB p.
Location: Southern Pines, NC (Reservoir Park)
Date: June 23, 2022
Primrose #237; RAB page 747, 137-1-9; AG page 187, 42-2-1; LHB p.
Location: Northeastern, Texas
Date: 2012-06-01
attractive blooms appear early in summer
Location: Northeastern, Texas
Date: 2013-02-15
The fruits are box shaped seed pods that carry tiny dust-like see
Location: central Illinois
Date: 5-26-11
Location: Illinois, US
Date: 2017-09-19
Location: My Northeastern Indiana Gardens - Zone 5b
Date: 2013-08-05
Location: Fairfax, VA | September, 2023
Location: Illinois, US
Date: 2016-04-17
Seedlings from wintersowing.
Location: Brownstown Pennsylvania
Date: 2016-07-04
Photo by molanic
Location: Northeastern, Texas
Date: 2012-06-01
The sepal looks attractive on its own, once the petals have falle
Location: central Illinois
Date: 2011-09-20
Photo by dave
Photo by dave
Location: Brownstown Pennsylvania
Date: 2016-10-03

Photo courtesy of: Tom Potterfield
Location: Brownstown Pennsylvania
Date: 2016-06-18
Location: my garden 
Date: 2014-08-28
Photo by piksihk
Location: My Northeastern Indiana Gardens - Zone 5b
Stem section; also showing sepals.
Plant Events from our members
piksihk On October 6, 2014 Harvested
seeds available
WebTucker On June 29, 2022 Bloomed
WebTucker On June 29, 2022 Fruit Ripened
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