Scarlet Pimpernel (Lysimachia arvensis)

Common names:
Give a thumbs up Scarlet Pimpernel
Give a thumbs up Poor Man's Weatherglass
Give a thumbs up Pimpernel
Give a thumbs up Adder's Eyes

Botanical names:
Lysimachia arvensis Accepted
Anagallis arvensis Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Biennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
Minimum cold hardiness: Zone 7a -17.8 °C (0 °F) to -15 °C (5 °F)
Plant Height: 2-6 inches
Flowers: Showy
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Dynamic Accumulator: Mg (Magnesium)
Toxicity: Other: According to the Audubon Field Guide, this plant is poisonous.
Propagation: Seeds: Provide light
Self fertile
Needs specific temperature: 18-20C
Days to germinate: 18-21
Depth to plant seed: Surface sow. Do not cover.
Sow in situ
Start indoors
Can handle transplanting
Other info: Start indoors January-May. Transplant when large enough to 3" pots (preferably peat). Harden off & plant out after frost 12" apart. Direct sow in April & May. Germination can be erratic.
Pollinators: Self
Various insects

Have it. Don't want it!

Photo gallery:
Location: Goobang N.P., Peak Hill, N.S.W., AustraliaDate: 2014-09-19
By carolem
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Location: Nederland, Jefferson County, TexasDate: March 29, 2010
By Horntoad
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Photo: National Park Service
By SongofJoy
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Location: Santa Monica Mountains National Recreation Area, CaliforniaDate: 2011-04-01
By Kelli
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Location: Nederland, Jefferson County, TexasDate: March 29, 2010
By Horntoad
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Rare blue form - photo, NPS
By SongofJoy
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Photo: NPS
By SongofJoy
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Location: my garden Date: 2013-03-31
By piksihk
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Location: I 45 rest area, TexasDate: 2014-05-21
By jmorth
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Credit Alexey Sergeev
By admin
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Image
By jmorth
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Image
By thomas
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Courtesy Gardens in the Wood of Grassy Creek
By vic
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Location: Santa Monica Mountains National Recreation Area, CaliforniaDate: 2010-04-30
By Kelli
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Location: Santa Monica Mountains National Recreation Area, CaliforniaDate: 2012-04-21
By Kelli
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Location: I 45 rest area, TexasDate: 2014-05-20
By jmorth
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Location: I 45 rest area, TexasDate: 2014-05-21
By jmorth
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Location: CZ Sirem My gardenDate: 2015-06-26
By admin
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Anagallis arvensis Atlas des plantes de France. 1891
By admin
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Credit Alexey Sergeev
By admin
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Credit Alexey Sergeev
By admin
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Comments:
Posted by Horntoad (Nederland, Texas - Zone 9a) on Sep 30, 2011 9:01 PM

Scarlet Pimpernel was once used in treatment for epilepsy and mental problems.

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Posted by piksihk (Texas - Zone 9a) on Mar 31, 2013 3:27 PM

They self-sow every year; make a good ground cover.

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piksihk On March 19, 2015 Bloomed
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Discussion Threads about this plant
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viney plant with very small leaves and flowers? by leafu May 24, 2018 4:36 AM 3

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