Lettuce
28days to harvest
7-10 daysdays to germinate
Z1–11USDA zones
Easydifficulty
Heirloom

Sowing

Direct sow after last frost, or succession plant every 2-3 weeks

Cultivation

Sun
Part sun
Water
Regular
Soil
Well-drained loam, neutral pH
Spacing
9-12 inches
Height
18-24 inches
Season
Warm season annual

Appearance & flavour

Colour
Deep purple
Shape
Oval to oblong leaves
Flavour
Mild spinach-like flavor with subtle tangy notes and tender texture

In the kitchen

Salads, fresh greens, sautéed, cooked like spinach

Pests, disease & resistance

Pests
Aphids, flea beetles, slugs
Diseases
Downy mildew, leaf spot

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1——June – JulyJune – September
2——May – JulyJune – September
3——May – JuneMay – October
4——April – JuneMay – October
5——April – MayMay – November
6——April – MayApril – November
7——March – MayApril – November
8——March – AprilMarch – December
9——February – MarchFebruary – December
10——January – MarchFebruary – December
11——January – FebruaryJanuary – December
12——January – FebruaryJanuary – December
13——January – FebruaryJanuary – December

Companion planting

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

ChivesRepels aphids and other soft-bodied insects that commonly attack leafy greens
LettuceSimilar growing requirements and harvest timing, efficient use of garden space
RadishesQuick harvest breaks up soil and deters flea beetles that can damage orach leaves
CarrotsDeep roots don't compete with shallow orach roots, maximizes garden space
MarigoldsRepel aphids, whiteflies, and other pests while attracting beneficial insects
SpinachSimilar cool-season growing requirements and complementary harvest schedule
NasturtiumsAct as trap crop for aphids and add color while repelling cucumber beetles
DillAttracts beneficial insects like ladybugs and parasitic wasps that control pests

Avoid

SunflowersTall growth creates excessive shade and competes heavily for nutrients and water
BrassicasHeavy feeders that compete for similar nutrients, may attract shared pests like flea beetles
Black WalnutReleases juglone toxin that inhibits growth of many vegetables including orach

Nutrition (per 100 g)

Protein (g)
0.742
Fat (g)
0.0738
Carbohydrate (g)
3.37
Vitamin K (µg)
20.5
Vitamin B6 (mg)
0.0401
Calcium (mg)
14.2
Iron (mg)
0.0332
Magnesium (mg)
6.31
Phosphorus (mg)
19.2
Potassium (mg)
139
Zinc (mg)
0.173

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the lettuce 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 Orach?

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

Similar varieties

Other lettuce with a comparable time to harvest, so a season that suits Ruby Red Orach suits these too.

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