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PlantFiles: Cypress Spurge, Bonaparte's Crown, Graveyard Moss
Euphorbia cyparissias 'Fen's Ruby'

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Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: cyparissias (sy-par-ISS-ee-ass) (Info)
Cultivar: Fen's Ruby

2 vendors have this plant for sale.

5 members have or want this plant for trade.

Category:
Groundcovers

Height:
12-18 in. (30-45 cm)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Sun to Partial Shade

Danger:
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Chartreuse (Yellow-Green)

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Grown for foliage
Evergreen
Blue-Green

Other details:
Average Water Needs; Water regularly; do not overwater
May be a noxious weed or invasive

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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There are a total of 17 photos.
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Profile:

1 positive
2 neutrals
2 negatives

Gardeners' Notes:

RatingAuthorContent
Negative coriaceous On Feb 25, 2014, coriaceous from ROSLINDALE, MA wrote:

A noxious weed here in Massachusetts, spreading both by seed and underground by stolons. In the garden, this is a nasty thug, hard to control and impossible to eradicate. I suspect that it can escape from a sunken pot by seed or through the drainholes.

Here in Massachusetts, its trade, sale, transport, and planting are illegal, because of the damage it does to natural areas. Likewise in one other state. Colorado has declared it a noxious weed.

If you're trading divisions of perennials from your garden and you also grow this, please warn your trading partners.

Positive Cville_Gardener On Mar 12, 2013, Cville_Gardener from Middle TN
United States (Zone 7a) wrote:

It can be invasive but it has its place. Hardy, interesting. I very much like it when it is contained.

Neutral Spokaloo On Aug 20, 2011, Spokaloo from Spokane, WA wrote:

Spreads like crazy. This is growing in a xeriscape landscape under a conifer. It STILL grows like crazy. I really can't decide if I'm happy about it or not. I'll worry about it next year.

Neutral SeattleSuze On May 11, 2006, SeattleSuze from Renton, WA wrote:

Very beautiful groundcover that spreads like wildfire and is extremely difficult to remove. Visitors always comment positively on it and are thrilled with its softness. I manage it by pulling up every plant until its finally covered by the perennials. What's left of it grows and creeps out to the edge of the border in all its glory. I am more ambivalent about this plant by far than any other in the garden.

Negative sedum37 On Feb 1, 2006, sedum37 from Westford, MA (Zone 5b) wrote:

Avoid this plant as it spreads aggressively via underground runners. It is nearly impossible to remove once planted. I mistakenly planted this in my garden and have been trying to eradicate this for 5 years now. Contact with the white sap produced from broken foliage causes rashes in some people. Avoid getting it on your skin or in your eyes. If you must grow this plant, grow in pot sunk in the grown to control the spread of this plant.

Invasive prohibited in Massachusetts.

Regional...

This plant has been said to grow in the following regions:

Wasilla, Alaska
Clayton, California
Knights Landing, California
Canaan, Maine
Ludington, Michigan
Saint Helen, Michigan
Southold, New York
Salem, Oregon
Clarksville, Tennessee
Cascade-fairwood, Washington
Spokane, Washington



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