Microgreens
30days to harvest
2-3days to germinate
Z2–11USDA zones
Easydifficulty
HeirloomContainer friendly

Sowing

Soak seeds 4-8 hours (optional), then sow directly on growing medium. Cover with humidity dome.

Cultivation

Sun
Moderate to bright light or grow lights 12-14 hours daily
Water
Consistent moisture through misting, avoid overwatering
Soil
Well-draining potting mix or hydroponic medium
Soil pH
6.0-7.0
Spacing
Dense seeding, 1-1.5 oz seeds per 10x20 tray
Height
0-3 feet
Season
Warm season annual

Appearance & flavour

Colour
Green cotyledons with purple, pink, or white stems depending on variety
Size
1-3 inches tall when harvested
Shape
Heart-shaped cotyledons on colorful stems
Flavour
Spicy, peppery radish flavor ranging from mild to intensely hot

In the kitchen

Salads, tacos, sandwiches, sushi, garnishes, spicy microgreen mixes

Pests, disease & resistance

Pests
Flea beetles, aphids (rare in microgreen production)
Diseases
Damping off, root rot from excessive moisture
Resistance
Excellent disease resistance due to rapid growth cycle

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1January – December——January – December
2January – December——January – December
3January – December——January – December
4January – December——January – December
5January – December——January – December
6January – December——January – December
7January – December——January – December
8January – December——January – December
9January – December——January – December
10January – December——January – December
11January – December——January – December
12January – December——January – December
13January – December——January – December

Companion planting

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

LettuceCompatible growing conditions and harvesting timeline, efficient use of growing space
SpinachSimilar water and light requirements, can be grown together in succession plantings
ArugulaBoth are fast-growing brassicas with similar care needs and harvest timing
ChivesNatural pest deterrent that repels aphids and other small insects
CilantroAttracts beneficial insects and has similar quick-growing microgreen characteristics
Pea ShootsComplementary growth habits and both thrive in cool, moist conditions
KaleFellow brassica with compatible growing requirements and pest resistance
Mustard GreensSame plant family with identical growing conditions and natural pest deterrent properties

Avoid

BroccoliCompetition between brassica family members can lead to stunted growth and nutrient depletion
CabbageSame family plants compete for nutrients and may attract concentrated pest populations
FennelAllelopathic properties inhibit germination and growth of most other plants including radishes

Nutrition (per 100 g)

Calories (per 100 g)
16
Protein (g)
0.68
Fat (g)
0.1
Carbohydrate (g)
3.4
Fibre (g)
1.6
Sugars (g)
1.86
Vitamin A (µg)
0
Vitamin C (mg)
14.8
Vitamin E (mg)
0
Vitamin K (µg)
1.3
Vitamin B6 (mg)
0.071
Folate (µg)
25
Calcium (mg)
25
Iron (mg)
0.34
Magnesium (mg)
10
Phosphorus (mg)
20
Potassium (mg)
233
Zinc (mg)
0.28
Selenium (µg)
0.6

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 microgreens 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 Radish Microgreens?

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

Similar varieties

Other microgreens with a comparable time to harvest, so a season that suits Radish Microgreens suits these too.

Browse all 57 microgreens