Oplopanax Species, Devil's Club

Oplopanaxhorridus

Genus
Oplopanax (oh-PLOH-pan-aks)
Species
horridus (HOR-id-us)
Synonym
Echinopanax horridus
Fatsia horrida
Horsfieldia horrida
Panax horridus
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Height
8-10 ft. (2.4-3 m)
Spacing
6-8 ft. (1.8-2.4 m)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Danger
Parts of plant are poisonous if ingested
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Shrubs
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Wear gloves to protect hands when handling seeds
Regional

This plant is said to grow outdoors in the following regions:

Cathcart, Washington

Maltby, Washington

Vancouver, Washington

Featured Videos

Gardener's Notes:

2
positives
2
neutrals
1
negative
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G
Everson, WA (Zone 7b) | March 2009 | positive

Finally, a latin name that means something...

I initially thought that this plant was "Giant Hogweed" until I drove past i...Read More

W
Spokane, WA (Zone 5b) | July 2007 | positive

This is a really nasty plant. But it is oh-so-beautiful. The big bold leaves add a striking architectural element to any pond or shady da...Read More

M
M
(Zone 3a) | June 2004 | neutral

It sure is nasty but beautiful plant. I saw it for the first time at Arboretum Mustila, and of course I had to try to hold the leaves:)

L
Grove City, OH (Zone 6a) | January 2003 | neutral

There are several references to the medicinal properties of this plant; as with any other herb, only trained herbalists should prescribe ...Read More

W
Seward, AK (Zone 3b) | August 2002 | negative

Though an interesting plant for its stature alone, Devil's Club is the bane of Alaskan gardeners, as well as hikers. The stems and unders...Read More

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