Custom Seed Milling
Seed cleaning, sizing, and conditioning for vegetable crop lots. Operated from our Hollister facility with equipment matched to small-seeded commercial crops.
Seed Cleaning
Removal of inert matter, weed seed, and off-type material. Air-screen equipment sized for small-seeded vegetable crops including brassicas, peppers, carrots, and tomatoes.
Precision Sizing
Grading by screen and indent cylinder to achieve tight size uniformity. Consistent sizing improves planter performance and stand establishment.
Seed Conditioning
Lot-specific processing to meet germination and purity targets. Work is documented and traceable from raw lot receipt through finished package.
Processing capacity built for commercial seed lots
Orsetti has processed vegetable seed for four decades. The equipment at our Hollister facility is calibrated for the crops we breed — small-seeded brassicas, processing tomatoes, peppers, and root vegetables. That specificity matters: air-screen settings and cylinder selection that work on broccoli seed are different from those that work on pepper seed.
We offer custom milling as a contracted service to seed companies and growers who need processing capacity without building their own. Lot documentation and chain of custody are standard — not optional.
CCOF certification covers organic lot processing. Separation protocols and equipment cleaning records are available to support your certification audits.
Crops Supported
- Processing tomatoes
- Broccoli
- Cabbage
- Cauliflower
- Peppers
- Carrots
- Melons
- Lettuce
Certification
CCOF Organic Certified
Common questions
What crops do you mill?
We work primarily with vegetable seed crops — processing tomatoes, brassicas (broccoli, cabbage, cauliflower), peppers, carrots, melons, and lettuce. Contact us to discuss your specific crop.
Do you work with third-party seed lots?
Yes. We offer custom milling services to seed companies and growers who need processing capacity. Lot integrity and chain of custody are maintained throughout.
What are minimum lot sizes?
Minimums vary by crop and equipment configuration. Contact our office to discuss your lot size and requirements before shipping.
Do you handle CCOF organic lots separately?
Yes. Organic lots are processed with documented equipment cleaning and separation protocols. We are CCOF certified and can support your organic certification paperwork.
Hollister, CA · 831.636.4822