Root vegetables
55days to harvest
7-14 daysdays to germinate
Z2–11USDA zones
Easydifficulty
F1 hybrid

Sowing

Direct sow in late spring to early summer for mid- and late-summer harvest

Cultivation

Sun
Full sun
Water
Regular, consistent moisture during growing season
Soil
Well-drained loam, deeply cultivated without compaction
Spacing
4-6 inches
Height
0 ft. 6 in. - 3 ft. 0 in.
Season
Warm season annual

Appearance & flavour

Colour
White
Size
16"
Shape
Long, tapered
Flavour
Mild, slightly sweet flavor with tender texture typical of Japanese-style varieties.

In the kitchen

Fresh eating, stir-fries, braising, pickling, soups

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1——June – JulyJuly – September
2——May – JulyJuly – September
3——May – JuneJune – October
4——April – JuneJune – October
5——April – MayJune – November
6——April – MayMay – November
7——March – MayMay – November
8——March – AprilApril – December
9——February – MarchMarch – December
10——January – MarchMarch – December
11——January – FebruaryFebruary – December
12——January – FebruaryFebruary – December
13——January – FebruaryFebruary – December

Companion planting

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

CarrotsBreak up soil for radish roots and don't compete for same nutrients
LettuceQuick harvest leaves space for radishes, provides living mulch
SpinachCool season companion with similar growing requirements
ChivesRepel root maggots and other soil pests that damage radishes
NasturtiumsTrap crop for flea beetles and aphids that attack radish leaves
MarigoldsDeter nematodes and other soil pests harmful to root vegetables
Bush BeansFix nitrogen in soil and don't compete for root space
CucumberRadishes can deter cucumber beetles when interplanted

Avoid

HyssopInhibits growth of radishes and other root vegetables
BrassicasSame family plants compete for nutrients and attract similar pests like clubroot
TurnipsBoth root vegetables compete for soil space and nutrients

Nutrition (per 100 g)

Calories (per 100 g)
41
Protein (g)
0.93
Fat (g)
0.24
Carbohydrate (g)
9.58
Fibre (g)
2.8
Sugars (g)
4.74
Vitamin A (µg)
835
Vitamin C (mg)
5.9
Vitamin E (mg)
0.66
Vitamin K (µg)
13.2
Vitamin B6 (mg)
0.138
Folate (µg)
19
Calcium (mg)
33
Iron (mg)
0.3
Magnesium (mg)
12
Phosphorus (mg)
35
Potassium (mg)
320
Zinc (mg)
0.24
Selenium (µg)
0.1

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the root vegetables 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 Summer Cross No. 3?

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 Summer Cross No. 3 suits these too.

Browse all 56 root vegetables