Lettuce – Lolla Rossa

lollaLolla Rossa is a frilly, loose-leaf green/red lettuce variety.

Nov 4, 2015 = Day 0.  Plants started from seed (Botanical Interests).  Moistened with dilute fertilizer: Dyna-Gro Liquid Grow, diluted 1 mL (1/5 tsp) per gallon of tap water.  Nutrient concentrations (in ppm):  N 18, P 24, K 13, Ca 5, Mg 1, S 0.13, Fe 0.26, Mn 0.13, B 0.05, Zn 0.13, Cu 0.13, Mo 0.002, Ni 0.0003, Co 0.004.  pH = 7.0.

Nov 7, 2015 = Day 3.  Seeds germinated.  Transferred to grow room, receiving 3 hours sunlight + 5 hours LED grow-light per day.

Nov 18, 2015 = Day 14.  Plants installed in 3.5-gallon bucket.  Hydroponic solution composed of 3.5 gal tap water, 7 g MasterBlend 4-18-38, 7 g calcium nitrate, 3.5 g magnesium sulfate, 0.7 mL Dyna-Gro Pro-TeKt, 2.8 mL pH Down.  Nutrient concentrations (in ppm): N 103, P 95, K 202, Ca 100, Mg 29, S 34, Fe 2.1, Mn 1.1, B 1.1, Zn 0.3, Cu 0.3, Mo 0.05, Si 4.  pH = 6.5.

Lolla Rosa 2015.12.10
Dec 10, 2015 = Day 36
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Dec 18, 2015 = Day 44
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Dec 28, 2015 = Day 54

Jan 5, 2016 = Day 62.  Began harvesting lower leaves for use in salads.

IMG_20160108_200626353_HDR
Jan 8, 2016 = Day 65

I am continuing to harvest lower leaves for salads several times a week.  The plants are starting to get tall, they will probably bolt within the next few weeks, so I need to finish up my harvests soon or the leaves may get bitter.

IMG_20160120_131621343
Jan 20, 2016 = Day 77

Jan 31, 2016 = Day 88.  Harvested the final leaves of these plants.  Final pH of solution = 7.0.  Total fluid usage = 1.9 gallons.

IMG_20160201_132519955
Jan 31, 2016 = Day 88
IMG_20160201_132624910_HDR
Jan 31, 2016 = Day 88

 

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