vegetable · Amaranthaceae

Swiss chard

Beta vulgaris subsp. vulgaris

A durable cut-and-come-again leafy green that handles summer heat better than many cool-season greens.

Difficulty1 / 5
Cold toleranceHalf-hardy
Space per plant~0.25 ft²
ContainerYes
Supportnone
Household planning

How many swiss chard plants?

A normal fresh-eating goal with the catalog loss buffer. Preservation needs and appetite can raise the count.

1 adult1–21 typical plants
2 adults1–42 typical plants
4 adults2–74 typical plants
Adjust household, appetite, preserving, and loss →
Season timing

When does it go in?

Typical first action2 weeks before last frost
Maturity range40–60 days
Harvest window45–120 days
Latest planting buffer65 days before fall frost

Dates are frost-relative planning windows. Soil temperature, current weather, plant condition, and cultivar instructions can move them.

Calculate dates from my frost date →
Space and harvest

What does one plant ask for?

In-row spacing6–15 in
Between rows12–24 in
Yield range3–10 bunches
Yield confidencelow

Yield ranges assume a surviving plant and still vary with cultivar, soil, sun, weather, pests, watering, and harvest habits.

Container fit

A container can work.

1minimum gallons per plant
2recommended gallons per plant
10″minimum useful depth
Size a container for several plants →