Ed Peachey
March 2019

This article includes information for:

  • Brassica Head and Stem Subgroup 5A: broccoli, Chinese broccoli, Brussels sprouts, cabbage, Chinese cabbage (napa), cauliflower, and kohlrabi
  • Leafy Brassica Greens Subgroup 5B: Chinese cabbage (bok choy), collards, kale, mustard and turnip greens
  • Brassica Crops of Root Vegetable Subgroup 1A: turnips, rutabaga, radish, Daikon radish, and horseradish

Subgroups as defined by U.S. Environmental Protection Agency § 180.41