Pacific Onion (Validum)

The Pacific Onion (Validum) is generally described as a perennial forb/herb. This is native to the U.S. (United States) has its most active growth period in the summer . The Pacific Onion (Validum) has green foliage and inconspicuous purple flowers, with a smattering of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the late spring, with fruit and seed production starting in the summer and continuing until summer. Leaves are not retained year to year. The Pacific Onion (Validum) has a short life span relative to most other plant species and a moderate growth rate. At maturity, the typical Pacific Onion (Validum) will reach up to 2 feet high, with a maximum height at 20 years of 0 inches.

The Pacific Onion (Validum) is usually not commercially available except under contract. It can be propagated by bulbs, seed. It has a slow ability to spread through seed production and the seedlings have low vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -18°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Moderate
General Type Forb/herb
Growth Period Summer
Growth Duration Perennial
Lifespan Short
Plant Nativity Native to U.S.
Commercial Availability Contracting Only
Physical Characteristics
Bloom Period Late Spring
Displays Fall Colors No
Shape/Growth Form Multiple Stem
Drought Tolerance Low
Shade Tolerance Intermediate
Height When Mature 2
Vegetative Spread Slow
Flower Color Purple
Flower Conspicuousness Yes
Fruit/Seed Abundance Low
Fruit/Seed Seasonality Summer Summer
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bulbs, Seed
Moisture Requirements High
Cold Stratification Required No
Minimum Temperature -18
Soil Depth for Roots 8
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate Slow
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 6.2–8 pH
Precipitation Range 12–12 inches/yr
Planting Density 4800–11000 indiv./acre
Soil Textures Fine, Medium
Soil Depth for Roots 8
Minimum Frost-Free Days 130 day(s)
Salinity Tolerance None
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention No
Fire Resistant No
Causes Livestock Bloating None

Source: USDA, NRCS, PLANTS Database,
National Plant Data Center, Baton Rouge, LA 70874-4490 USA