Root vegetables
90days to harvest
7-14 daysdays to germinate
Z8–9USDA zones
Easydifficulty
Heirloom

Sowing

Direct sow after last frost

Cultivation

Sun
Full sun to part shade
Water
High — consistent moisture needed
Soil
Well-drained loam, neutral pH
Spacing
4-6 inches
Height
4 feet
Season
Warm season annual

Appearance & flavour

Colour
Light orange
Shape
Round bulbs
Flavour
Sweet flavor with light orange flesh and mild taste profile, ideal for fresh eating and cooking.

In the kitchen

Fresh eating, roasting, steaming, soups, stews, storage

Pests, disease & resistance

Pests
Root maggots, onion thrips, carrot rust flies
Diseases
Fusarium rot, white rot, damping off

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1——June – JulySeptember
2——May – JulyAugust – September
3——May – JuneAugust – October
4——April – JuneJuly – October
5——April – MayJuly – November
6——April – MayJuly – November
7——March – MayJune – November
8——March – AprilJune – December
9——February – MarchMay – December
10——January – MarchApril – December
11——January – FebruaryMarch – December
12——January – FebruaryMarch – December
13——January – FebruaryMarch – December

Companion planting

9 beneficial pairings indexed for this variety, 2 to avoid.

CarrotsDifferent root depths prevent competition, carrots help break up soil for radish growth
LettuceShallow roots don't compete, provides ground cover and efficient space utilization
SpinachFast-growing leafy green that can be harvested before radishes need full space
PeasFix nitrogen in soil benefiting radish growth, different growth habits complement each other
ChivesRepel root maggots and other pests that attack radishes
NasturtiumsAct as trap crop for flea beetles and aphids that commonly attack radishes
MarigoldsRepel nematodes and other soil pests, deter flea beetles
CucumberRadishes can deter cucumber beetles while cucumbers provide shade for cool-season radishes
LettuceShallow roots don't compete with beet taproots, provides living mulch

Avoid

BrassicasSame family plants compete for nutrients and attract similar pests like flea beetles and clubroot
HyssopInhibits growth of radishes and other root vegetables through allelopathic compounds

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 Helenor?

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 Helenor suits these too.

Browse all 56 root vegetables