Microgreens
2-5days to harvest
1-2 daysdays to germinate
Z2–11USDA zones
Easydifficulty
Heirloom

Sowing

Dense surface sowing on moist microgreen medium; maintain high humidity (80-90%) and darkness until germination (24-48 hours)

Cultivation

Sun
Indoor
Water
Keep consistently moist via daily misting; avoid waterlogging
Soil
Coconut coir and perlite blend, or commercial microgreen growing medium
Height
0 ft. 6 in. - 3 ft. 0 in.
Season
Indoor

Appearance & flavour

Colour
Bright green
Shape
Thin stems with rounded cotyledons and first true leaves
Flavour
Mild, subtle radish flavor with gentle peppery notes and fresh, tender crispness; noticeably less pungent than full-size daikon roots

In the kitchen

Asian soups, grain bowls, salads, sushi garnish, creamy dressing pairings, fish dishes, avocado arrangements

Pests, disease & resistance

Diseases
Damping-off (prevent with proper air circulation and moisture control), mold (reduce via humidity management and air flow)

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.

LettuceSimilar growing conditions and harvest timing, doesn't compete for space
SpinachCompatible growth rates and light requirements for microgreen production
ArugulaBoth are brassicas with similar cultivation needs and pest resistance
Pea ShootsNitrogen-fixing properties benefit radish growth, complementary root depths
ChivesNatural pest deterrent, helps repel aphids and flea beetles
CilantroSimilar growing conditions, attracts beneficial insects when mature
KaleFellow brassica with compatible growing requirements and timing
Mustard GreensSame family with similar pest resistance and growing conditions

Avoid

SunflowerAllelopathic compounds inhibit germination and growth of small seedlings
FennelStrong allelopathic effects that stunt growth of most other plants
TomatoHeavy nutrient demands compete with delicate microgreen development

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, Daikon?

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, Daikon suits these too.

Browse all 57 microgreens