Field Primrose Standards

(Camissonia campestris)

GENERAL STANDARDS -- The standards on this sheet are in part condensed and apply to Field Primrose. For greater detail and additional provisions, see the Native Seed Program Standards.

APPLICATION -- Applications should be submitted electronically on CCIA’s website (Application to grow and certify seed) as soon as possible and no later than three (3) weeks after planting. New applicants should contact the CCIA office for instructions on obtaining access to the online application system.

FIELD HISTORY -- Land must not have grown or been seeded to any Camissonia species during previous five years to be eligible to produce G1 or G2 seed. Land must not have grown or been seeded to these Camissonia species during the previous two years to produce G3-G10 seed unless the previous crop was of the same released material and of a class equal or higher to that of the crop seed. Field Primrose must be planted in distinct rows. Exceptions must be approved by the Seed Certification Office prior to planting.

ISOLATION -- Fields or portions of fields producing seed must be isolated the following distances:

Factor   G1   G2G3 to G10
Isolation requirement (any size field)60 feet30 feet15 feet
    

FIELD INSPECTION -- Include a seedling and a seed crop inspection.

Off-Types -- Every field should be rogued to remove any plants of another crop or variety, including volunteers. Native seed selections cannot always be differentiated at field inspection. When differences can be distinguished, the maximum mixture of other varieties or definite off-types permitted is as follows:

    G1  G2G3 to G10
 1:1,0001:5001:250
    

Weeds -- Fields must be free of any prohibited noxious weedsRestricted noxious weeds and common weeds difficult to separate must be controlled. Prohibited and Restricted noxious weeds are listed in the California Seed Law/CA Code of Regulations/Sections 3854 and 3855. See California Seed Law - Prohibited and Restricted Noxious Weed List.

SEED STANDARDS – Minimum Sample Size – ½ pound.

FactorG1G2G3 to G10
Pure Seed (Minimum)85.00% 85.00% 85.00% 
Inert Matter (Maximum)15.00%15.00%15.00%
Total Other Crop Seed (Maximum)1.5%1.5%1.5%
Weed Seed (Maximum)1.5%1.5%1.5%
Noxious WeedNoneNoneNone
Germination and Hard Seed (Minimum)65.00%65.00%65.00%
    

Updated: May 2024