Devilsclub
Oplopanax horridus
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Araliaceae
- Genus:
- Oplopanax
- Species:
- Oplopanax horridus
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 8-12 ft
- Light Requirements:
- Full Sun, Part Shade, Shade
- Drought Tolerance:
- High
- Bloom Months:
- jul
- Bloom Colors:
- White, Green, Brown
- Landscaping Shrub:
- Yes
Native Range
United States: Alaska, Idaho, Michigan, Montana, New York, Oregon, Washington, Canada: Alberta, British Columbia, Ontario, Yukon
Host Plant for Caterpillars
Reported Fauna Sightings
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.0 - 6.5 (acidic to slightly acidic)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- thrives in forest understory with decaying organic matter
Germination Information
Pre-treatment: For cuttings: Treated with Domain fungicide rinse for 3 minutes, recut to 20 cm lengths, treated with 3000 ppm IBA rooting powder, and stuck with at least 2 nodes below the surface of the rooting medium. For seeds: 72 hour running water rinse, followed by a minimum of a 100 day cold, moist stratification/100 day warm, moist stratification/100 day cold, moist stratification.
Establishment: Initial establishment for seeds is slow. Seeds are collected in late August when fruit turns dark red. Cuttings are collected at bud break in early June. Both cuttings and seeds must be kept cool and moist during collection and transport to the nursery.
Source: npn.rngr.net