Apr 7, 2016 = Day 0. Plants started from seed (Park Seed: Deep Purple, Savanna). Seeds sowed in 1.5-inch rockwool cube in 2-inch net-pot. Moistened with dilute fertilizer solution: 1.2 mL (1/4 tsp) Dyna-Gro Liquid Grow, 0.8 mL pH Down per gallon of tap water. N-P-K (in ppm): 22-12-13. pH = 6.0.
Apr 10 = Day 3. Savanna mustard plant has germinated, placed directly under a fluorescent light (2 ft. T8 bulb, 17W, 6500k) for 16 hours per day.
Apr 13 = Day 6. Deep purple mustard plant has now germinated as well.
Apr 19 = Day 12. Installed plants into 5-gallon bucket. Hydroponic solution composed of 5 gal (18.9 L) tap water, 10 g MasterBlend 4-18-38, 10 g calcium nitrate, 5 g magnesium sulfate, 1 mL Dyna-Gro Pro-TeKt, 5 mL pH Down. N-P-K (in ppm): 103-41-168. pH = 6.0. Plants moved to indoor grow room, receiving 9 hours LED grow light per day, plus 3 hours sunlight per day.
May 19 = Day 42. Began harvesting lower leaves.
Jun 15 = Day 69. Added 1 gallon fresh hydroponic fluid.
Jun 21 = Day 75. Added 1 gallon fresh hydroponic fluid.
Jun 27 = Day 81. Harvested all Savanna mustard leaves. Chopped and steamed the leaves and then mixed with olive oil and garlic. The green leaves were delicious, but the stalks were a bit too fibrous to eat.
Jun 28 = Day 82. Added 1 gallon fresh hydroponic fluid.
Jul 9 = Day 93. Harvested all remaining leaves. Total fluid used = 7.6 gallons (3.8 gallons per plant).