Radish Microgreens
Radish Microgreens is a heirloom microgreen. Germination takes 2-3 days and fruit ripens from about day 30. Skin runs to green cotyledons with purple, pink, or white stems depending on variety. Water need is consistent moisture through misting, avoid overwatering. Suits zones 2-11. It will crop in a container.

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
| Zone | Start indoors | Transplant | Direct sow | Harvest |
|---|---|---|---|---|
| 1 | January – December | — | — | January – December |
| 2 | January – December | — | — | January – December |
| 3 | January – December | — | — | January – December |
| 4 | January – December | — | — | January – December |
| 5 | January – December | — | — | January – December |
| 6 | January – December | — | — | January – December |
| 7 | January – December | — | — | January – December |
| 8 | January – December | — | — | January – December |
| 9 | January – December | — | — | January – December |
| 10 | January – December | — | — | January – December |
| 11 | January – December | — | — | January – December |
| 12 | January – December | — | — | January – December |
| 13 | January – December | — | — | January – December |
Companion planting
8 beneficial pairings indexed for this variety, 3 to avoid.
Avoid
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
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Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.
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.
- Chervil 26 days
- Sorrel, Red Veined 26 days
- Spinach Microgreens 25 days
- Amaranth, Glitter Mix 16 days
- Dill Microgreens 16 days
- Dandelion, Red 16 days