Sakurajima

Family: Brassicaceae Root Vegetable

Sakurajima daikon arrives with a dramatic, show-stopping presence—its flesh is famously crisp and silky, carrying a clean, sweet-radish snap that turns mellow and fragrant when warmed.

Expect a long, smooth root with a pale ivory interior and a tender, fine-grained texture that holds its character from harvest to storage. Grow Sakurajima for bold daikon salads, quick pickles, and standout sauces where its gentle heat and refined crunch shine.

Light: Full SunMaturity: 70 DaysHabit: Rosette

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 25th
Harvest Begins	Jul 4th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	70
Sun Requirements	Full Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	50
Min Soil Temp (°F)	40
Min Night Temp (°F)	28
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Sakurajima daikon is built for contrast: razor-crisp raw slices give a clean, sweet snap, while quick warming mellows the bite into a fragrant, silky tenderness. Treat it like a centerpiece—pickle or shave it thin so it doesn’t lose its juicy crunch to the dressing.

Best Uses

quick pickles that stay snappy and lightly spicy
shaved raw salads where it holds a crisp, not watery, crunch
warmed daikon—steam or briefly braise—then finish with vinegar for a mellow, aromatic effect
daikon-forward sauces or broths where the sweetness carries through without tasting harsh

Flavor Profile

clean sweet-radish snap mild, warming gentle heat fine-grained crispness that turns fragrant when cooked silky, juicy bite rather than sharp bite

Kitchen Pairings

soy sauce rice vinegar miso sesame oil ginger chicken or pork

Frequently Asked Questions

What pest or disease commonly affects Raphanus sativus (Sakurajima radish), and what should I do?

Look out for clubroot (a root-swelling disease) and for flea beetles that chew holes in the leaves. For clubroot, remove and discard infected plants, avoid replanting radish/other brassicas in the same bed, and keep soil pH closer to neutral to slightly alkaline if your garden is acidic. For flea beetles, use a fine row cover from sowing until plants are well-established, and remove heavily infested leaves early to reduce spread.

How often should I water Sakurajima radish during active root growth?

During the main growth phase, keep the soil consistently evenly moist—not waterlogged—because irregular moisture can lead to cracking or misshapen roots. In most home gardens this means deep watering about 1–2 times per week, adjusting to rainfall and soil type to maintain moisture in the top 6–10 inches where the enlarging roots form.

How can I tell when my Sakurajima radish is ready to harvest?

Harvest at around 70 days (when the radish root has reached its target size), typically when the enlarged root is clearly bulging above the soil line and feels firm rather than springy. If you see the root starting to split or the skin looks overly stressed, harvest promptly to prevent quality loss and woody texture.