The winter growing season was a smash! The lettuce did quite well, and I harvested about eight salads that fed four to six people each from February through April, about two-and-a-half salads per month! The first six of those salads came from the clay pebble bed that had densely planted seeds. The dense planting stimulated quick, vertical growth. It also ensured that plants did not grow woody stems, keeping the growing tip low, just above the surface. I harvested this like mowing a lawn,, cutting at about 2” high straight across. The plants responded well! For the first two months I harvested at a staggered pace, which kept the demand for nutrients relatively constant because some plants were in the high demand regrowth stage as others grew slowly near full size.
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coloration on bottom is due to grow light being off. Note that the gravel
grow bed seen in upper right of both pictures has significantly smaller plants.Meanwhile, the gravel grow bed which had plants spaced about 6” apart, as recommended on the seed packet, grew very slowly, so I did not harvest until late March. The plants did bush out nicely, each producing far more lettuce per plant than the dense plantings of the clay bed. The bushy lettuce led to woody stems and larger leaves, which I found could only get a few harvests per plant before the leaves got too tough or bitter (lots of white sap in them).
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grow bed seen in upper right of both pictures has significantly smaller plants.Meanwhile, the gravel grow bed which had plants spaced about 6” apart, as recommended on the seed packet, grew very slowly, so I did not harvest until late March. The plants did bush out nicely, each producing far more lettuce per plant than the dense plantings of the clay bed. The bushy lettuce led to woody stems and larger leaves, which I found could only get a few harvests per plant before the leaves got too tough or bitter (lots of white sap in them).
Gravel grow bed on 4/28/2011 before the last harvest. |
Conclusion: unless I need pretty heads of lettuce, I should plant the seeds dense and harvest often.
And what about the other plants in the system? Well, the chard...
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