The name may be odd, but this nutritional powerhouse is easy to grow, even in heavy clay (though it prefers lighter soil).
Swiss chard (Beta vulgaris vulgaris) is actually a beet that doesn’t develop the fat round root. Both plants, beets and chard, evolved (with some help from humanity) from the sea beet (Beta vulgaris maritima). Swiss chard is also called chard, spinach beet, silver beet, mangold, seakale beet, and bright lights. The bright lights name is a reference to the brightly colored leafstalks (petioles), that can be red, yellow, orange, purple, pink, or white. They look as amazing in your salad bowl as they do in your garden!
One of the nicest things about growing chard is that outer leaves can be removed frequently and the plant simply produces more inner leaves, creating a long term supply of easy to grow, highly nutritious food. Chard is so nutritious that just under half a cup of fresh chard provides 122% of the Daily Value of Vitamin A, 1038% of Vitamin K, and 50% of Vitamin C, and all with only 19 calories! Research has also shown that Swiss chard provides tons of antioxidants and even type 2 diabetes protection. If that weren’t reason enough, the brightly colored petioles of Swiss chard make it a lovely addition to your edible landscape and these plants are relatively drought-resistant.
Like parsley, chard is a biennial plant. While it can tolerate light frost, exposure to too much cold will trick it into thinking it has experienced a winter and can cause bolting.
How to grow Swiss chard
Chard can be grown as a summer or winter crop. In areas with scorching hot summers, Swiss chard will perform better as part of your shade gardening plan. Chard seeds should be planted 1/2 to 1 inch deep when temperatures are between 40 F to 95 F. Mature plants can be spaced 6 to 12 inches apart, with rows 15 inches wide, but keep in mind that the plants will grow 1 to 3 feet tall, with a spread of 1/2 to 2 feet wide. Mulching around each plant with aged compost will help stabilize soil temperature and add nutrients to the soil.
How to harvest Swiss chard
Chard is a very satisfying plant to grow. Germination occurs in only 5 to 7 days and you can begin harvesting very early in the plant’s life. There are two approaches to harvesting chard: leaf-by-leaf or cut-and-come-again. The leaf-by-leaf method mentioned earlier simply means outer leaves are removed as needed. The cut-and-come-again method refers to cutting the plant down to just an inch or two above the soil line, avoiding the growing point in the middle. New leaves will emerge from this point.
Pests and diseases of Swiss chard
Swiss chard is a durable plant that has few pest or disease problems. You may find that an overabundance of harvestable chard is your bigger problem, but you can always cook and freeze or gift the extras. That being said, aphids, leaf miners, and flea beetles will cause the most leaf damage, while leaf spot, powdery mildew, downy mildews, and beet curly top can infect Swiss chard plants. Row covers can be used to block these pests and proper plant spacing, feeding and irrigation can reduce the likelihood of disease.
To keep yourself in year round chard, these plants can also be grown indoors in containers. Because chard has a taproot, a 5-gallon planter is recommended.
You can grow a surprising amount of food in your own yard. Ask me how!
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