Founded in 1980 by Kate Burroughs and David Henry, Harmony Farm Supply was a pioneer in the Organics Movement as a supplier of organic fertilizers, ecological pest controls, and integrated Pest Management monitoring tools. In 1982, irrigation system components were added to the offering. In 1990, Harmony Farm Supply moved to its present location where it added a Nursery as well as more products (including Photovoltaic Solar products). Since then, Harmony Farm Supply has been the leader in providing CCOF Certified Organic vegetable starts.

Harmony Farm Supply is renown for its excellent irrigation design services provided by our Certified Irrigation Designers for large and small systems with an incredible number of successful projects under their belts. In most cases, this design service is free of charge with the purchase of materials. If you already have a design and materials list, let us quote prices. Harmony Farm Supply & Nursery maintains a large inventory of competitively priced irrigation equipment and supplies. Whether you are a grower of food crops or ornamentals, we make special effort to get you your materials on a timely basis.

What's new?

Our 6th annual tree giveaway is this coming Saturday Jan 23rd, 10-4, Sunday Jan 24th 10-until trees are gone. These trees are for those who have lost homes/trees in any of our recent wildfires in Lake, Mendocino, Napa and Sonoma Counties. They will be given away at Harmony Ag Supply on the corner of Fulton and River Roads in Fulton. Enter on the Fulton side. Masks and social distancing protocols will be followed. Please pass the word to those who you know would benefit. Contact Kathy Blair with

Posted on Mar 10, 2021  •  Facebook

Please Share: Happy New Year everyone! As we watch the sun set on this year, we hope 2021 will bring peace and positive transformation for us all! Thank you to all the tree gifters! Without your generosity, this project would not exist! Our tree give a way is scheduled for Jan 23rd (10-4) and 24th...

Posted on Mar 10, 2021  •  Facebook

PLEASE SHARE! Hi everyone. Happy Holidays! We are doing our project again this year. This will be our 6h year gifting trees to fire survivors, and thanks to the generosity of so many people, we have gifted approximately 2,500 trees so far! This is how the project works: Buy a live tree from a participating nursery (see list below), take it home for the holidays to enjoy and return it to a participating nursery by Jan 10th. We will collect the trees and gift them to fire survivors the weekend of

Posted on Mar 10, 2021  •  Facebook

This Gulf Fritillary butterfly hatched in a jar at our Petaluma store over the New Year's holiday.

Posted on Jan 14, 2021  •  Facebook

Happy Holidays! We will be closed this Thursday/ Friday Dec 24-25 and next Thursday/ Friday Dec 31-Jan 1.

Posted on Dec 20, 2020  •  Facebook

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