Where to source amendments
From your local farm supply store:
- Ag lime
- Dolomite lime
- Gypsum
- Soft rock phosphate
- Bone meal
- Magnesium sulfate (Epsom salts) Small quantities are at the drug store in the laxative aisle
- Potassium sulfate
- Sul-Po-Mag (K-Mag or Langbienite)
- Ag sulfur
- Feather meal (may be listed as a feed, or available at the feed store instead)
- Soybean meal (may be listed as a feed, or available at the feed store instead)
- Kelp
If you have a small area you may be able to find smaller quantities at your local garden supply store.
From Alpha Chemicals
The sulfates are available online from Alpha Chemicals. These include:
- Iron sulfate
- Manganese sulfate
- Zinc sulfate
- Cobalt sulfate
- Sodium molybdate dihydrate
From the grocery store
In the laundry products aisle:
- Borax
Source for BioMin copper:
Source for Wallastonite:
- Fedco Seeds (Maine USA)
Source for Phosphoric acid stabilized fish hydrolysate (approximately 2-4-0)
Online amendment sources:
- Peaceful Valley Farm Supply, Grass Valley, CA www.groworganic.com
- Black Lake Organics, Olympia, WA http://www.blacklakeorganic.com/
- Seven Springs Farm, Floyd County, VA http://www.7springsfarm.com/
- Concentrates, Portland, Oregon http://www.concentratesnw.com/
We carry many natural/organic custom fertilizer blends, and we can have custom blends made to your specs or our recommendations in 1 ton lots or more, in bulk totes or bagged. heather@concentratesnw.com - Grow Organic, Hood River, OR http://groworganics.org/ (no shipping)
- Keep It Simple, Inc., Redmond, WA
www.kisorganics.com for online orders
1-425-558-0990. Small quantities of minerals. Potting soil & more.
Where to find minerals in Canada:
- Local feed stores. Buckerfields is one of them. Also a commercial outfit called Evergrow in Victoria. Also Integrity Sales in Victoria. There are some stores out here on the West Coast that are more organically oriented and have a better selection (Borden Mercantile in Victoria, for instance). Many of these stores are able to source special products
- You can get almost anything online from the Organic Gardener’s Pantry in smaller quantities. http://www.gardenerspantry.ca/
