California Amaranth (Californicus)

The California Amaranth (Californicus) is generally described as an annual forb/herb. This is native to the U.S. (United States) has its most active growth period in the spring and summer and fall . The greatest bloom is usually observed in the summer, with fruit and seed production starting in the summer and continuing until summer. Leaves are not retained year to year. The California Amaranth (Californicus) has a short life span relative to most other plant species and a moderate growth rate. At maturity, the typical California Amaranth (Californicus) will reach up to 1 foot high, with a maximum height at 20 years of 0 inches.

The California Amaranth (Californicus) is not commonly available from nurseries, garden stores and other plant dealers and distributors. It can be propagated by seed. It has a rapid ability to spread through seed production and the seedlings have high vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -3°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Moderate
General Type Forb/herb
Growth Period Spring, Summer, Fall
Growth Duration Annual
Lifespan Short
Plant Nativity Native to U.S.
Commercial Availability No Known Source
Physical Characteristics
Bloom Period Summer
Displays Fall Colors Yes
Shape/Growth Form Multiple Stem
Drought Tolerance Low
Shade Tolerance Intolerant
Height When Mature 1
Vegetative Spread None
Flower Color Red
Flower Conspicuousness No
Fruit/Seed Abundance High
Fruit/Seed Seasonality Summer Summer
Seed Spread Rate Rapid
Gardening Characteristics
Propagations (Ways to Grow) Seed
Moisture Requirements Medium
Cold Stratification Required No
Minimum Temperature -3
Soil Depth for Roots 4
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate Moderate
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 5.5–7.5 pH
Precipitation Range 14–14 inches/yr
Planting Density 0–0 indiv./acre
Soil Textures Fine, Medium
Soil Depth for Roots 4
Minimum Frost-Free Days 175 day(s)
Salinity Tolerance None
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention No
Palatability Low
Fire Resistant No
Causes Livestock Bloating None

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