Brassicas
32days to harvest
7-14 daysdays to germinate
Z1–11USDA zones
Easydifficulty
Heirloom

Sowing

Direct sow after last frost risk, or start indoors 4-6 weeks before last frost

Cultivation

Sun
Full sun
Water
Regular, consistent moisture
Soil
Well-drained loam, moderately fertile
Spacing
6-8 inches
Height
12-18 inches
Season
Warm season annual

Appearance & flavour

Colour
Red stems with dark green, red-veined leaves
Shape
Large, broad leaves with prominent red midribs
Flavour
Mild, slightly sweet earthy flavor with tender red stems and smooth dark green leaves.

In the kitchen

Salads, sautéed, soups, steamed, stir-fries, fresh smoothies

Pests, disease & resistance

Pests
Flea beetles, spider mites, aphids, leaf miners
Diseases
Leaf spot, powdery mildew, downy mildew

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1April – MayJune – JulyJune – JulyJuly – September
2April – MayJune – JulyMay – JulyJune – September
3March – AprilMay – JuneMay – JuneJune – October
4March – AprilMay – JuneApril – JuneMay – October
5February – MarchApril – MayApril – MayMay – November
6February – MarchApril – MayApril – MayMay – November
7February – MarchApril – MayMarch – MayApril – November
8January – FebruaryMarch – AprilMarch – AprilApril – December
9JanuaryFebruary – MarchFebruary – MarchMarch – December
10JanuaryFebruary – MarchJanuary – MarchFebruary – December
11JanuaryJanuary – FebruaryJanuary – FebruaryJanuary – December
12JanuaryJanuary – FebruaryJanuary – FebruaryJanuary – December
13JanuaryJanuary – FebruaryJanuary – FebruaryJanuary – December

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

LettuceShallow roots don't compete, provides living mulch and maximizes space usage
OnionsRepel aphids, flea beetles, and other pests that commonly attack chard
GarlicNatural pest deterrent, repels aphids and reduces fungal diseases
CarrotsDeep taproot breaks up soil while chard's shallow roots don't compete
RadishesQuick-growing, helps break up soil and can be harvested before chard needs full space
SpinachSimilar growing requirements and compatible root systems, good succession planting
MarigoldsRepel aphids, whiteflies, and nematodes while attracting beneficial insects
NasturtiumsAct as trap crop for aphids and flea beetles, drawing pests away from chard

Avoid

Pole BeansCan shade chard excessively and compete for nutrients in the root zone
CornCreates too much shade and competes heavily for nutrients, stunting chard growth
FennelAllelopathic properties inhibit growth of most garden plants including chard

Nutrition (per 100 g)

Calories (per 100 g)
31
Protein (g)
2.57
Fat (g)
0.34
Carbohydrate (g)
6.27
Fibre (g)
2.4
Vitamin A (µg)
8
Vitamin C (mg)
91.3
Vitamin E (mg)
0.15
Vitamin K (µg)
102
Vitamin B6 (mg)
0.191
Folate (µg)
65
Calcium (mg)
46
Iron (mg)
0.69
Magnesium (mg)
21
Phosphorus (mg)
67
Potassium (mg)
303
Zinc (mg)
0.42
Selenium (µg)
1.6

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the brassicas growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Ruby Red or Rhubarb Chard?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other brassicas with a comparable time to harvest, so a season that suits Ruby Red or Rhubarb Chard suits these too.

Browse all 79 brassicas