Safe Seed Pledge | OSSI Pledge

We are committed to quality and sustainability.

Satisfaction Guaranteed

Your seeds have been germination tested and found to meet or exceed the Federal standards for interstate commerce. If you have difficulty with germination, please make sure you are following all of our germination guidelines before reaching out to us.  (Note, we do not guarantee seeds shipped June-Sept due to the fact that we cannot control the heat in transport. High heat can sterilize seed, so if you purchased seed during these months and are having difficulty, you will need to reach out to the shipping carrier.) If you have followed these instructions and are continuing to have difficulty, we will work with reasonable requests for replacement/reimbursement due to poor germination, or due to concerns you may have about other plants or products from this year's catalog. Although every precaution is taken to ensure accuracy, errors in price, quantity, and/or specifications may occur in printing. We reserve the right to correct such errors.

Untreated and Non-GMO Seeds

All of the seeds that we sell are untreated (not coated with fungicides or insecticides) and non-GMO.

We signed the Safe Seed Pledge as a commitment to non-GMO seeds.
The Safe Seed Pledge says the following:

Agriculture and seeds provide the basis upon which our lives depend. We must protect this foundation as a safe and genetically stable source for future generations. For the benefit of all farmers, gardeners and consumers who want an alternative, we pledge that we do not knowingly buy or sell genetically engineered seeds or plants. The mechanical transfer of genetic material outside of natural reproductive methods and between genera, families or kingdoms, poses great biological risks as well as economic, political and cultural threats. We feel that genetically engineered varieties have been insufficiently tested prior to public release. More research and testing is necessary to further assess the potential risks of genetically engineered seeds.

Organic Seeds

We strive to offer as many seeds grown with organic practices in as many varieties as possible. Everything we grow we first-and-foremost grow for our family with the goal of building health. If it's not good for our family, we don't putit on our food crop.

Open-Source Seed Initiative (OSSI)

The Open Source Seed Initiative (OSSI) is dedicated to maintaining fair and open access to plant genetic resources worldwide in order to ensure the availability of germplasm to farmers, gardeners, breeders, and communities of this and future generations. The Open Source Seed Initiative (OSSI) is an essential resource that has compiled a list of hundreds of “open source” seed varieties, as well as a wealth of knowledge on the open-source seed movement. OSSI is an incredible organization leading the way in the seed freedom movement. Their listing of non-patented seeds is an excellent place to start for sourcing seeds. Only two of OSSI’s listed Seed Company Partners sell utility patented varieties, High Mowing Seeds and Harris. Be sure you ask. Dr. Vandana Shiva’s Navdanya network and Seed Freedom initiative are also vital forces in the fight against seed patenting.

The OSSI Pledge

(Where OSSI seeds are noted in product descriptions)
You have the freedom to use these OSSI-Pledged seeds in any way you choose. In return, you pledge not to restrict others’ use of these seeds or their derivatives by patents or other means, and to include this Pledge with any transfer of these seeds or their derivatives.

The OSSI Pledge ensures the Four Open Source Seed Freedoms for this and future generations:

  1. The freedom to save or grow seed for replanting or for any other purpose.
  2. The freedom to share, trade, or sell seed to others.
  3. The freedom to trial and study seed and to share or publish information about it.
  4. The freedom to select or adapt the seed, make crosses with it, or use it to breed new lines and varieties.


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GYHG is a proud member of the Seed Savers Exchange and graduate of the SSE Seed School. Our growers are also certified in Hydroponics, Aeroponics, Aquaponics, Seed Starting, Organics, and more. Erin Castillo, Owner and Lead Grower at GYHG, is also a certified Tower Garden Rep. You can learn more about growing hydroponically in these vertical aeroponic garden systems at

               Tower Garden Rep