90days to harvest
7-10 daysdays to germinate
Z4–9USDA zones
Easydifficulty
F1 hybrid

Sowing

Direct sow or transplant seedlings, primed seed for faster germination

Cultivation

Sun
Full sun to partial shade (4-6+ hours)
Water
Regular, consistent moisture during growing season
Soil
Well-drained loam, fertile soil preferred
Spacing
4-6 inches
Height
1-3 feet

Appearance & flavour

Colour
Green shanks with white base
Shape
Long, slender cylindrical shanks
Flavour
Mild to peppery allium flavor with tender, crisp shanks characteristic of green onions.

In the kitchen

Fresh garnish, salads, stir-fries, soups, grilling, raw consumption

Pests, disease & resistance

Pests
Onion flies, thrips, armyworms
Diseases
Fusarium basal rot, white rot, botrytis
Resistance
Common Rust (Intermediate); Purple Blotch (Intermediate); White Tip (Intermediate)

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

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

TomatoesAlliums repel aphids, whiteflies, and spider mites that commonly attack tomatoes
CarrotsAlliums deter carrot rust fly while carrots help break up soil for allium bulbs
BrassicasAlliums repel cabbage worms, flea beetles, and aphids that damage cabbage family plants
LettuceAlliums provide natural pest control against aphids and slugs without competing for nutrients
RosesAlliums repel aphids, thrips, and may help reduce black spot and other fungal diseases
PeppersAlliums deter aphids, spider mites, and may help repel pepper maggots
StrawberriesAlliums repel slugs, aphids, and nematodes that commonly damage strawberry plants
MarigoldsBoth plants repel similar pests and marigolds may enhance allium's pest-deterrent properties

Avoid

BeansAlliums can inhibit nitrogen fixation by rhizobia bacteria in legume root nodules
PeasSulfur compounds from alliums may interfere with pea growth and nitrogen fixation
AsparagusAlliums can stunt asparagus growth through allelopathic chemical interactions

Nutrition (per 100 g)

Calories (per 100 g)
40
Protein (g)
1.1
Fat (g)
0.1
Carbohydrate (g)
9.34
Fibre (g)
1.7
Sugars (g)
4.24
Vitamin A (µg)
0
Vitamin C (mg)
7.4
Vitamin E (mg)
0.02
Vitamin K (µg)
0.4
Vitamin B6 (mg)
0.12
Folate (µg)
19
Calcium (mg)
23
Iron (mg)
0.21
Magnesium (mg)
10
Phosphorus (mg)
29
Potassium (mg)
146
Zinc (mg)
0.17
Selenium (µg)
0.5

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the onions & alliums 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 Biker?

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

Similar varieties

Other alliums with a comparable time to harvest, so a season that suits Biker suits these too.

Browse all 44 alliums