An excellent source of magnesium, Epsom Salts play a fundamental role in photosynthesis.
Work Epsom Salts into the soil at the base of each plant, water in.
Roses & Tomatoes: 15 ml (1 tbsp) per foot of plant height, every 2 weeks.
Shrubs (Evergreens, Azaleas, Rhododendron): 15 ml (1 tbsp) per 0.8 m2 (9 sq.ft.) 3 times annually.
Garden Startup: 250 ml (1 cup) per 9.3 m2 (100 sq.ft.)