pH LEVEL CHARTS FOR HERBS

Optimum pH & TDS Levels for Herbs
Herbs	pH Level	PPM / TDS
Basil	5.5 - 6.5	700 - 1120
Chicory	5.5 - 6.0	1400 - 1600
Chives	6.0 - 6.5	1260 - 1540
Fennel	6.4 - 6.8	700 - 980
Lavender	6.4 - 6.8	700 - 980
Lemon Balm	5.5 - 6.5	700 - 1120
Majoram	6.0	1120 - 1400
Mint	5.5 - 6.0	1400 - 1680
Mustard Cress	6.0 - 6.5	840 - 1680
Parsely	5.5 - 6.0	560 - 1260
Rosemary	5.5 - 6.0	700 - 1120
Sage	5.5 - 6.5	700 - 1120
Thyme	5.5 - 7.0	560 - 1120
Watercress	6.5 - 6.8	280 - 1260