Brassicas
60-70days to harvest
4-7days to germinate
Z2–11USDA zones
Easydifficulty
Heirloom

Sowing

Direct sow only, as roots don't transplant well. Plant in late summer for fall harvest in most climates.

Cultivation

Sun
Full sun to partial shade (4-8 hours)
Water
1-1.5 inches per week, consistent moisture for best texture
Soil
Deep, loose, well-drained soil free of stones and debris
Soil pH
6.0-7.0
Spacing
4-6 inches
Height
0-3 feet
Season
Cool season

Appearance & flavour

Colour
Pure white skin and flesh
Size
14-18 inches long, 2-3 inches diameter
Shape
Long, cylindrical taproot
Flavour
Sweet, crisp, and juicy with mild radish bite. Much milder than small radishes.

In the kitchen

Excellent fresh in salads, pickled, in stir-fries, soups, and traditional Asian dishes. Can be cooked like turnips.

Pests, disease & resistance

Pests
Flea beetles, cabbage root maggots, aphids
Diseases
Clubroot, black root, downy mildew, white rust
Resistance
Good general disease resistance, less prone to clubroot than other brassicas

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1April – MayJune – JulyJune – JulyAugust – September
2April – MayJune – JulyMay – JulyJuly – September
3March – AprilMay – JuneMay – JuneJuly – October
4March – AprilMay – JuneApril – JuneJune – October
5February – MarchApril – MayApril – MayJune – November
6February – MarchApril – MayApril – MayJune – November
7February – MarchApril – MayMarch – MayMay – November
8January – FebruaryMarch – AprilMarch – AprilMay – December
9JanuaryFebruary – MarchFebruary – MarchApril – December
10JanuaryFebruary – MarchJanuary – MarchMarch – December
11JanuaryJanuary – FebruaryJanuary – FebruaryFebruary – December
12JanuaryJanuary – FebruaryJanuary – FebruaryFebruary – December
13JanuaryJanuary – FebruaryJanuary – FebruaryFebruary – December

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

CarrotsDaikon's deep taproot breaks up soil for shallow carrot roots, while carrots don't compete for space
LettuceFast-growing lettuce can be harvested before daikon needs full space, maximizing garden efficiency
SpinachCool-season companion that can be interplanted and harvested before daikon matures
ChivesRepels aphids and flea beetles that commonly attack brassicas
MarigoldsDeters nematodes and attracts beneficial insects that prey on brassica pests
DillAttracts beneficial wasps that parasitize cabbage worms and other brassica pests
NasturtiumsActs as trap crop for flea beetles and aphids, protecting daikon from these pests
PeasFixes nitrogen in soil which benefits heavy-feeding daikon radishes

Avoid

BroccoliCompetes for same nutrients and attracts identical pests like cabbage worms and flea beetles
FennelProduces allelopathic compounds that inhibit growth of brassicas including radishes
TurnipsSame family crop that depletes identical soil nutrients and shares common diseases like clubroot

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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Growing it? There is a full cultivation guide at the brassicas 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 'Miyashige'?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other brassicas with a comparable time to harvest, so a season that suits Radish 'Daikon 'Miyashige' suits these too.

Browse all 79 brassicas