General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Dry Mesic
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 9b
Plant Height: 6 - 12 inches
Plant Spread: 12 - 36 inches
Leaves: Good fall color
Unusual foliage color
Fruit: Showy
Flowers: Showy
Flower Color: Yellow
Bloom Size: 3"-4"
Flower Time: Spring
Late summer or early fall
Underground structures: Taproot
Suitable Locations: Xeriscapic
Uses: Will Naturalize
Resistances: Deer Resistant
Rabbit Resistant
Drought tolerant
Propagation: Seeds: Stratify seeds: 2 months cold moist treatment
Suitable for wintersowing
Can handle transplanting
Other info: May germinate without stratification.
Propagation: Other methods: Cuttings: Tip
Pollinators: Moths and Butterflies
Containers: Not suitable for containers
Miscellaneous: Tolerates poor soil

Common names
  • Missouri Evening Primrose
  • Missouri Primrose
  • Evening Primrose
  • Bigfruit evening-primrose
  • Missouri evening-primrose
  • Fluttermill
  • Big-fruit evening-primrose
  • Bigfruit Evening Primrose
  • Ozark Sundrops

Photo Gallery
Location: my garden, UT
Date: 2016-07-02
Location: My Garden, Utah
Date: 2015-06-14
seedling of 'Silver Blade' likely crossed with O. macrocarpa subs
Location: Louisville KY
Date: 2023-05-11
Just now blooming.
Location: Nora's Garden - Castlegar, B.C.
Date: 2019-06-23
- Close to the ground, but such beautiful blossoms.
Location: Albuquerque, NM Zone 7b
Date: 05.17.2017
Distinctive cross-shaped stigma
Location: Vaughan, ON, Canada (Zone 5b)
Date: 2014-07-25
Location: Nora's Garden - Castlegar BC
Date: 2016-06-14
 12:30 pm. Sculpturally beautiful buds and blossoms.
Location: My garden in southeast Nebraska
Date: 2009-05-24
Location: Albuquerque, NM Zone 7b
Date: 05.17.2017
Taken at dusk, when the flowers open
Location: Photo by Carol Bacskai; zone 5b, Yorkville, IL
Date: 2022-06-13
Location: Nora's Garden - Castlegar, B.C.
Date: 2017-07-04
Petals are satiny smooth and glowing.
Location: At Annie's Annuals Nursery
Date: Sep 14, 2008 12:29 PM
Location: Nora's Garden - Castlegar BC
Date: 2016-06-14
 12:30 pm. Blossoms are at least twice the size of Oenothera frut
Location: My Garden
Date: 2013-07-02
Location: Loki Schmidt Garten - Botanischer Garten der Universität Hamburg
Date: 2022-09-13
Location: my garden zone 7A Cape Cod, MA
Date: 2017-06-25
Location: In my garden in Kalama, Wa.
Date: 2008-07-04
  • Uploaded by Joy
Location: At Annie's Annuals Nursery
Date: Sep 14, 2008 12:30 PM
Location: Bandera Co., Texas
Date: May 2008
Missouri Primrose Seed Pods

Courtesy of Diane's Flower Seeds
Location: My Garden
Date: 2013-07-04
Location: Sirem CZ my garden
Date: 4000-10-10
cz name- pupalka missourska
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  • Posted by KentPfeiffer (Southeast Nebraska - Zone 5b) on Feb 26, 2012 9:27 AM concerning plant:
    This plant has absolutely huge flowers, often close to 4 inches in diameter, which is somewhat unusual for a native prairie plant. It will also bloom nearly continuously from spring to late summer.
  • Posted by LindaTX8 (Medina Co., TX - Zone 8a) on May 9, 2012 8:47 AM concerning plant:
    In our part of Texas, deer will munch on these plants if they can get to them. But I see them along the highways in certain areas and they seem to be doing fine there. They appear to be drought resistant, as they have survived years of extreme drought in southcentral Texas. Gorgeous wildflower!
Plant Events from our members
aspenhill On April 25, 2019 Obtained plant
Black Creek Greenhouse - qty 1
variegatagal On June 9, 2023 Maintenance performed
Bouncing back
variegatagal On May 14, 2023 Miscellaneous Event
Getting destroyed by hawkmoth caterpillars
variegatagal On April 24, 2022 Bloomed
variegatagal On April 20, 2022 Transplanted
variegatagal On April 19, 2022 Obtained plant
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