Family |
Amaranthaceae |
Growing zones |
N/A |
Growing season(s) |
cool
weather: spring and fall |
Spacing |
6 to 12 inches |
Start indoors or direct sow |
direct sow |
Earliest outdoor |
4 weeks before last frost |
Soil temperature |
50° to 85° |
Fall planting |
10
weeks before average first frost |
Sun needs |
4+ hours |
Water needs |
moderate |
Harvest category |
all
season, occasionally weather dependent |
Preparation Tip |
Young
leaves can be used in salads. Both mature stems and leaves can be used in
stir-fries; just cook the stems longer and add the leaves toward the end. |
Snapshot |
Swiss chard is a
highly nutritious plant and a gorgeous addition to any garden. Less likely to
bolt in hot weather than other greens and highly tolerant of cold, this leafy
relative of beets and spinach can be enjoyed in multiple seasons. |
Starting |
Swiss chard isn’t
demanding when it comes to soil, although it enjoys a slightly acidic pH (6.0
to 7.0) and thrives in a well-draining, loamy location. Direct sow seeds,
spacing them 1 to 2 inches apart. As the seedlings emerge, cut extra
seedlings at the soil line (save them for microgreens!) to a final spacing of
6 to 12 inches apart. |
Growing |
If Swiss chard
bolts at all, it will not bolt in hot weather as quickly as other greens.
Mulching around the plants will moderate soil moisture and temperature,
preventing the plant from bolting. Keep the watering consistent, because lack
of water may be a bigger factor than temperature in premature bolting. |
Harvesting and Storing |
Harvest young
greens at 4 inches long, working from the outside in. For a harvest of both
stems and leaves, harvest the entire plant when the largest leaves are 10
inches long, cutting about 2 inches above the soil surface. Leave the plant
to resprout. Refrigerate the leaves and stalks and wash them only prior to
cooking or eating them. |
Common Problem |
Slugs and snails
love Swiss chard, especially in cooler, wetter times of the year. Spread a
thin line of diatomaceous earth on the soil around each plant, and handpick
any pests you spot on the leaves. |
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