Chard was first described in 1753 by Carl von Linné as Beta vulgaris var. cicla.[6] Its taxonomic rank has changed many times, so it was treated as a subspecies, convariety or variety of Beta vulgaris.[1] The accepted name is Beta vulgaris subsp. vulgaris.[7][8] There are two rankless cultivar groups within this subspecies: the Cicla-Group for the leafy spinach beet, and the Flavescens-Group for the stalky Swiss chard.[1]
Chard is in the same subspecies as beetroot (garden beet) and all other beet cultivars. They are cultivated descendants of the sea beet, Beta vulgaris subsp. maritima. Chard belongs to the chenopods, which are now mostly included in the family Amaranthaceae (sensu lato).
Chard is also known by its many common names such as Swiss chard,[9] silverbeet, perpetual spinach, spinach beet, crab beet, bright lights, seakale beet, and mangold.[10]In South Africa, it is simply called spinach.[11]
Swiss chard for sale at an outdoor market
Planting Times:
Ideal planting times
Good planting time
Can be planted (with protective measures)
Comments:
Pick outer leaves for continual harvest.
Aquaponic Planting Guide:
Cultivar / Variety
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Deep Water Culture
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Media Bed Ebb/flow
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Media Bed constant flow
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Aquaponic Wicking bed
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NFT
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Tower
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S[2]
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S[1]
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S[2]
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Notes:
F = Failed
G = Good
S = Successful
Ex = does exceptionally well
[1] Bruce Babcock @ EasyAquaGarden
[2] Dr George Brooks @ NxTHorizon Group
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