Rhubarb Chard

Family: Amaranthaceae Vegetable

Silky, deeply ribbed leaves unfurl in a rich spectrum of color—crisp, tender greens with bright, jewel-toned stems that feel almost luminous in the garden.

Rhubarb Chard delivers a pleasantly sweet, mild flavor with a succulent bite, making it especially prized for bold sautés, vibrant braises, and silky purées, as well as quick pickling for tangy relish. Grow it for repeat harvests: cut the outer leaves and watch the plant keep producing with steady, garden-friendly vigor.

Light: Full SunMaturity: 50 DaysHabit: Rosette

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 18th
Harvest Begins	Jun 7th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	50
Sun Requirements	Full Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	40
Min Night Temp (°F)	28
Harden Off (days)	6

Culinary Notes

Chef's Note

Rhubarb chard brings a two-texture eating experience: sweet, delicate leaf and a more assertive, jewel-bright stem that turns tender without collapsing. Cook it hard and quick for gloss, or reduce it down for a purée that clings—this is the green that makes a sauce feel luxuriously spoonable.

Best Uses

hot, fast sauté in browned butter until ribs are tender and leaves stay glossy
braise or steam with a splash of vinegar/lemon to keep the stems vivid
smooth purée for swirled bases under fish or roast poultry
quick pickling of stems for tangy crunch relish

Flavor Profile

mild, pleasantly sweet greens succulent, tender bite bright, slightly earthy stem character silky-smooth when cooked and puréed

Kitchen Pairings

lemon browned butter white wine vinegar parmesan chickpeas smoked paprika

Frequently Asked Questions

What disease or pest commonly affects Swiss chard (Beta vulgaris var. cicla), and what should I do if I see it?

A common problem is Cercospora leaf spot, which shows up as small gray centers with reddish-brown borders on older leaves. Remove and discard heavily spotted leaves, water at the soil line (not the foliage), and improve airflow by spacing plants so leaves dry quickly after rain. If it keeps spreading, use a labeled fungicide approved for leaf vegetables and reapply according to the label during warm, humid weather when spots appear.

How often should I water Swiss chard during its main growing phase?

During active leaf growth, keep the soil consistently evenly moist—about 1 inch (2.5 cm) of water per week total, adjusted for rainfall and heat. Let the top 1 inch of soil dry slightly between waterings, but don’t allow the root zone to swing dry, because chard leaves can become tough and bitter when stressed. Mulch around plants to reduce moisture fluctuations.

How do I tell when Swiss chard is ready to harvest?

Start harvesting once leaves are large enough to use, typically around 50 days from planting for good-sized foliage. Pick outer leaves first by cutting or snapping at the base, leaving the center crown intact so it keeps producing. Harvest regularly—young, tender leaves are best before they get oversized or coarse.