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Pacific Onion (Allium validum)

Pacific Onion (Allium Validum) https://www.sagebud.com/pacific-onion-allium-validum/
Credit: Bob Moseley. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento, CA. Courtesy of USDA NRCS Wetland Science Institute. | http://plants.usda.g... | License: PD USDA
ALVA.jpg

Allium Validum, or more commonly know as Pacific Onion, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and purple flowers of the genus Allium. It has a moderate growth rate and a height of 2 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is summer, blooms during late spring, is somewhat tolerant of shade and is routinely available commercially. Allium Validum or Pacific Onion's floral region is North America US Lower 48, specifically in the states of California, Idaho, Nevada, Oregon and Washington.

  • Category: Monocot
  • Genus: Allium
  • Family: Liliaceae
  • Order: Liliales
  • Class: Liliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Forb/herb
  • Native Status: L48 (N) CAN (N)
  • National Wetland Indicator Status: OBL
  • Regional Wetland Indicator Status: 8(OBL) 9(OBL) 0(OBL)
  • Active Growth Period: Summer
  • After Harvest Regrowth Rate: Slow
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: High
  • Coppice Potential: No
  • Fall Conspicuous: No
  • Fire Resistance: No
  • Flower Color: Purple
  • Flower Conspicuous: Yes
  • Foliage Color: Green
  • Foliage Porosity Summer: Porous
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Medium
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: Yes
  • Growth Form: Multiple Stem
  • Growth Rate: Moderate
  • Height Mature (feet): 2
  • Leaf Retention: No
  • Lifespan: Short
  • Low Growing Grass: No
  • Resprout Ability: No
  • Shape and Orientation: Erect
  • Toxicity: None
  • Adapted to Coarse Textured Soils: No
  • Adapted to Fine Textured Soils: Yes
  • Adapted to Medium Textured Soils: Yes
  • Anaerobic Tolerance: High
  • CaCO3 Tolerance: Medium
  • Cold Stratification Required: No
  • Drought Tolerance: Low
  • Fertility Requirement: Medium
  • Fire Tolerance: High
  • Frost Free Days Minimum: 130
  • Hedge Tolerance: None
  • Moisture Use: High
  • pH (Minimum): 6.2
  • pH (Maximum): 8
  • Planting Density per Acre Minimum: 4800
  • Planting Density per Acre Maximum: 11000
  • Precipitation (Minimum): 12
  • Precipitation (Maximum): 40
  • Root Depth Minimum (inches): 8
  • Salinity Tolerance: None
  • Shade Tolerance: Intermediate
  • Temperature Minimum (°F): -18
  • Bloom Period: Late Spring
  • Commercial Availability: Contracting Only
  • Fruit/Seed Abundance: Low
  • Fruit/Seed Period Begin: Summer
  • Fruit/Seed Period End: Summer
  • Fruit/Seed Persistence: No
  • Propagated by Bare Root: No
  • Propagated by Bulbs: Yes
  • Propagated by Container: No
  • Propagated by Corms: No
  • Propagated by Cuttings: No
  • Propagated by Seed: Yes
  • Propagated by Sod: No
  • Propagated by Sprigs: No
  • Propagated by Tubers: No
  • Seed Spread Rate: Slow
  • Seedling Vigor: Low
  • Small Grain: No
  • Vegetative Spread Rate: Slow


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