Diva has a lot of advantages over other varieties of cucumber. First, it is parthenocarpic, meaning that fruit is produced even in the absence of pollination. Second, this variety is resistant to a number of diseases, including Powdery Mildew.
Jul 6, 2015 = Day 0. Plant started from seed (Park Seeds). Moistened with dilute fertilizer: Dyna-Gro Liquid GROW 7-9-5, diluted 1 mL (1/5 tsp) per gallon of tap water. N-P-K (in ppm): 18-10-11. pH = 7.0.
Jul 10, 2015 = Day 4. Seeds germinated. Transferred to grow room, receiving 14 hours LED grow-light per day.
Jul 22, 2015 = Day 15. Plant installed in 32-gallon bucket. Hydroponic solution composed of 32 gal tap water, 64 g MasterBlend 4-18-38, 64 g calcium nitrate, 32 g magnesium sulfate, 6.4 mL Dyna-Gro Pro-TeKt, 25 mL pH Down. N-P-K (in ppm): 103-41-168. pH = 6.5. Plant is getting about 4-5 hours of direct sunlight each day.
Sep 28, 2015 = Day 84. Began harvesting cucumbers.
Oct 1, 2015 = Day 87. Major infestation of inchworms. The cucumbers are unaffected, but the leaves look terrible, lot of holes in them. Removed inchworms by hand daily. This was a lot of work, next year I will probably just spray the whole plant with an organic pesticide, like Bt.
Continued to harvest cucumbers until mid-Nov. Fresh hydroponic fluid was added several times when the bucket felt light. Nights started getting cold, and plant was discarded in mid-Nov.
Total harvest = 24 cucumbers. Total water used = 45 gallons.