Arugula – Dragon’s Tongue

52610-pk-p1Apr 7, 2016 = Day 0.  Plants started from seed (Park Seed Co.).  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.  Plant germinated, placed directly under a fluorescent light (2 ft. T8 bulb, 17W, 6500k) for 16 hours per day.

Apr 19 = Day 12.  Installed plant 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.

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Apr 19 = Day 12
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May 2 = Day 25
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May 13 = Day 36.  Arugula (foreground), mustard plants (background).
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May 13 = Day 36.  Arugula roots (foreground) are much less developed than the roots of the mustard plants (background).

May 13 = Day 36.  The Dragon’s Tongue arugula plant was originally residing in the same container as some mustard plants.  However, the mustard plants are growing much faster than the arugula, which is causing the fluid level in the container to drop too quickly, which could be stunting further growth of the arugula.  Therefore, the arugula needs to be moved to its own container to have success.  The plant was moved to a 1-gallon plastic container, containing 14 cups (3.3 L) fresh hydroponic fluid as described above.

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May 26 = Day 49

May 28 = Day 51.  Plant is still not growing well.  Harvested all leaves.

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