1. Home
  2. Question and Answer
  3. Houseplants
  4. Garden Articles
  5. Most Popular Plants
  6. Plant Nutrition

Horticultural Oil: Buy, Don't Brew

Horticultural oil is a highly refined petroleum product that smothers insects without damaging plants. Cooking oils or motor oils won't work and can harm foliage. Purchase a commercial product from a nursery—now is a great time to apply it for scale insect control.

Copyright © www.100flowers.win Botanic Garden All Rights Reserved