Long Black Spanish Radish
Long Black Spanish Radish: 55-60 days to harvest, 5-10 days to germinate, 4-6 inches apart, rows 12-18 inches apart between plants, pH 6.0-7.0, hardy in zones 2-11. Fruit runs to about 8-10 inches long, 2-3 inches diameter. Give it full sun to partial shade and 1 inch per week, consistent moisture water.
Sowing
Direct sow seeds 1/2 inch deep in late summer for fall harvest. Plant 10-12 weeks before hard frost.
Cultivation
- Sun
- Full sun to partial shade
- Water
- 1 inch per week, consistent moisture
- Soil
- Deep, well-drained soil with good organic content
- Soil pH
- 6.0-7.0
- Spacing
- 4-6 inches apart, rows 12-18 inches apart
- Height
- 0-3 feet
- Season
- Cool season
Appearance & flavour
- Colour
- Black exterior skin with pure white flesh
- Size
- 8-10 inches long, 2-3 inches diameter
- Shape
- Long, cylindrical taproot with rounded bottom
- Flavour
- Pungent and spicy when raw, mild and sweet when cooked
In the kitchen
Grating for condiments, roasting, stir-frying, pickling, winter storage crop
Pests, disease & resistance
- Pests
- Flea beetles, cabbage root maggots, aphids
- Diseases
- Clubroot, black rot, white rust
- Resistance
- Generally hardy with good disease tolerance
Planting calendar by USDA zone
| Zone | Start indoors | Transplant | Direct sow | Harvest |
|---|---|---|---|---|
| 1 | — | — | June – July | July – September |
| 2 | — | — | May – July | July – September |
| 3 | — | — | May – June | June – October |
| 4 | — | — | April – June | June – October |
| 5 | — | — | April – May | June – November |
| 6 | — | — | April – May | May – November |
| 7 | — | — | March – May | May – November |
| 8 | — | — | March – April | April – December |
| 9 | — | — | February – March | March – December |
| 10 | — | — | January – March | March – December |
| 11 | — | — | January – February | February – December |
| 12 | — | — | January – February | February – December |
| 13 | — | — | January – February | February – 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 Long Black Spanish Radish?
Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.
Similar varieties
Other root vegetables with a comparable time to harvest, so a season that suits Long Black Spanish Radish suits these too.
- Summer Cross No. 3 55 days
- Purple Daikon Radish 55 days
- Alpine 55 days
- Chioggia Beet 55 days
- Summit 55 days
- Black Spanish Round Radish 55 days