VegetableRadish
Black Spanish Round Radish
Black Spanish Round Radish is a striking heirloom variety that stops gardeners in their tracks with its dramatic jet-black skin and snowy white flesh inside. Also called Noir Gros Rond D'hiver or Round Black Spanish Radish, this open-pollinated cultivar takes 50-59 days to mature, making it slower than many radish cousins but well worth the wait. Hardy in zones 3-10 and thriving in full sun, it grows to 4-12 inches tall and delivers a zippy, peppery punch that's noticeably hotter than standard radishes. This variety has a well-earned reputation as a keeper, storing beautifully for weeks or months after harvest.
Photo © True Leaf Market
Growing Conditions
USDA Zone
3-10
Sunlight
Full Sun
Water
Moderate
Soil
Well-drained, Loose, Fertile Loam
Growth Stats
12 in
Height
TypeUpright
Spacing
4
Plant Profile
Sunlight
Full Sun
Water
Moderate
Zones
3-10
Size
12in H x ?in W
Growth
—
Care
Moderate
Hover over chart points for details
Highlights
The stunning contrast between its black exterior and pure white interior makes this radish a visual showstopper in the kitchen and garden alike. Its reputation for longevity sets it apart from fleeting spring radishes; Black Spanish Round stores exceptionally well, making it valuable for late-season growing and winter eating. The flavor is notably spicy and complex, delivering a hot bite that intensifies its appeal to cooks seeking boldness rather than mild crunch.
Common Uses
Black Spanish Round Radish shines in applications where its bold flavor and firm texture can take center stage. Sliced thin and served with good salt and butter, it becomes an elegant appetizer or snack that showcases its peppery heat. It holds up beautifully in slaws, pickles, and preserves, where its dense white flesh resists becoming mushy. Root-to-leaf cooking traditions also celebrate the greens, which are edible and nutritious.
Growing Timeline
No timeline data available yet for this variety.
Care Instructions
Direct Sow
Sow Black Spanish Round Radish seeds directly into prepared garden soil or raised beds. This variety is typically direct-seeded rather than started indoors, as radishes develop best with minimal root disturbance.
Harvesting
Harvest Black Spanish Round Radish when roots reach mature size, typically 50-59 days after sowing. Gently pull roots from the soil to inspect their size; mature roots are roughly golf-ball to tennis-ball sized. The black skin should feel firm and unblemished. Unlike quick spring radishes, these keep their quality even when slightly larger, so there's a generous harvest window rather than a narrow peak.
Growing Calendar
Enter your ZIP code to see a personalized growing calendar for this plant.
Companion Planting
Pests & Diseases
Ecology & Traits
Deer ResistantEdible
Scientific Classification
Raphanus sativus
Family
Brassicaceae
Genus
Raphanus
Growth Habit
Upright
Native Status
L48 (I)AK (I)HI (I)PR (I)CAN (I)GL (I)
History & Origin
“Black Spanish Round Radish is an heirloom variety with deep roots in European gardening traditions, particularly winter growing practices. The alternate French name Noir Gros Rond D'hiver (Black Round Winter Radish) hints at its heritage as a cold-season crop, developed and preserved over generations for its ability to store through harsh months. This open-pollinated cultivar represents the kind of practical, multi-purpose vegetable that sustained kitchen gardens and market gardens before the era of uniform hybrids. It survives in seed catalogs and home gardens today because gardeners continue to value its hardiness, flavor, and keeping quality.”