McKenzie Rock Flour Fertilizer


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McKenzie Rock Flour is a mined agricultural mineral, in compliance with the California Organic Foods Act of 1990. It is certified for organic agriculture. This product's contents are 100% natural Basalt and Andesite rock flour. Derived from natural Basalt and Andesite rock deposits of the Cascade mountains of Oregon. Contains no dirt, silts, clays or other debris. McKenzie Rock Flour is a non-chemical fertilizer perfect for:

  • House Plants
  • Lawns
  • Gardens
  • Vegetables
  • Shrubs
  • Farms
  • Orchards
  • Pastures
  • Vineyards
  • Forests
  • Composts
  • Livestock
  • And more!

** All physical products are for in-store pickup only. We don't have shipping or delivery. We will hold your order for 3 days. On the 4th day, a 25% restocking fee will be applied. This doesn't apply to non-physical products like classes.

**Initials next to product sizes indicate suppliers/growers