Perlite or Vermiculite? – Backyard Food Growing
How do you choose which one to use? For Drainage: Choose perlite For Water Retention: Choose vermiculite For planters, I suggest using a little of each as they have complimentary properties. The ratio should be 25% of one or both of these total to potting soil. So that means ¾ of the volume of potting soil and the rest (¼ of … Read more