Cushion Spurge (Euphorbia polychroma) in the Euphorbias Database

Common names:
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General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F)
Plant Height: 12 inches-18 inches
Plant Spread: 18 inches-24 inches
Leaves: Deciduous
Flowers: Showy
Other: In the genus Euphorbia, the flowers are reduced in size and aggregated into a cluster of flowers called a cyathium (plural cyathia). This feature is present in every species of the genus Euphorbia but nowhere else in the plant kingdom.
Flower Color: Yellow
Flower Time: Late spring or early summer
Suitable Locations: Xeriscapic
Dynamic Accumulator: B (Boron)
Wildlife Attractant: Bees
Butterflies
Toxicity: Leaves are poisonous
Roots are poisonous
Fruit is poisonous
Other: All members of the genus Euphorbia produce a milky sap called latex that is toxic and can range from a mild irritant to very poisonous.
Propagation: Seeds: Sow in situ
Start indoors
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger

#Pollination

Photo gallery:
Location: My garden.Date: 2010-06-12#Pollination
By mcash70
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Location: Cedarhome, WashingtonDate: 2018-05-09
By Bonehead
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Location: My garden.Date: 2010-06-16
By mcash70
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Location: Vaughan, ON, Canada (Zone 5b)Date: 2012-05-13
By Anne
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Location: Cheyenne, WyomingDate: 2015-05-20On a frosty morning.
By MrsBinWY
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Location: Manitoba, CanadaDate: 2017-05-15
By DebbieC
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Location: TwispDate: 2015-05-17
By lauribob
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Location: Cedarhome, Washington
By Bonehead
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Location: Lenore, ID
By Natalie
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Location: TwispDate: 2015-10-14
By lauribob
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Location: From my  garden. Poland.
By Orsola
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Location: my garden zone 7A Cape Cod, MADate: 2017-06-26
By sandnsea2
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Location: My garden.Date: 2009-06-19
By mcash70
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Location: My garden.Date: 2010-06-16
By mcash70
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Location: Middle TennesseeDate: 2012-02-28New growth emerging in winter
By SongofJoy
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Courtesy Outsidepride
By vic
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Location: Cedarhome, WashingtonDate: 2014-03-13Emerging in spring
By Bonehead
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Location: From my  garden. Poland.Date: 2017-05-12
By Orsola
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This plant is tagged in:
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Comments:
Posted by mcash70 (Near Kamloops, BC, Canada - Zone 3a) on Oct 24, 2011 3:46 PM

The Cushion Spurge has done really well in my zone 3a garden, it tolerates a wide range of climate changes, from the very hot in August to the very cold in January and it bounces back each spring. They do well with little care, do not over water.

Handling the plant may cause skin irritation in some individuals, I have not had any problem to date.

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Posted by Bonehead (Planet Earth - Zone 8b) on Aug 26, 2014 3:44 PM

I reliably get two blooms from this low-maintenance plant -- one in early spring, the second in mid-summer. The greenish-yellow bracts make a nice complement to purples or reds and provide a nice filler in front of taller plants that can get straggly around their feet. I have not had any problem with the latex on this variety, although I do break out in a rash with other euphorbias (Cypress Spurge (Euphorbia cyparissias 'Fen's Ruby') in particular).

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Discussion Threads about this plant
Thread Title Last Reply Replies
Banner for December 13, 2019 by dirtdorphins by dirtdorphins Dec 22, 2019 12:36 AM 8
Banner for July 20, 2018 by Fleur569 by Fleur569 Jul 20, 2018 8:39 PM 7
Mystery plant by Flowerz May 19, 2017 7:42 AM 16
Has this always been there? by HamiltonSquare Apr 18, 2016 8:15 AM 7
Euphorbia; for ID by plantrob Jun 7, 2015 2:50 PM 1
Irises in the mixed garden- combos, companion plants, design ideas, culture by gemini_sage Sep 30, 2016 12:55 PM 354
Also Perennial in my neighborhood by crittergarden Aug 14, 2014 10:57 AM 9
Majorly Damaged Euphorbia Ascot's Rainbow and Blackbird by jvdubb Apr 21, 2014 12:46 PM 18
Cold spell in Northern Gardens by CarolineScott Oct 9, 2013 6:20 PM 59
Banner for December 26, 2012 by mcash70 by mcash70 Dec 26, 2012 8:50 PM 9

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