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Jumper — Onions & alliums | DarkGrow Seed Bank

Name: Jumper
Brand: DarkGrow Seed Bank

95days to harvest

—days to germinate

Z4–9USDA zones

Easydifficulty

F1 hybrid

Sowing

Transplant seedlings 4-6 inches apart in spring or late summer

Cultivation

Sun: Full sun to partial shade (4-6+ hours)
Water: Regular
Spacing: 4-6 inches
Height: 1-3 feet
Season: Warm season annual

Appearance & flavour

Colour: Green and white
Shape: Upright, refined cylindrical shanks
Flavour: Mild, clean allium flavor with tender, refined texture.

In the kitchen

Fresh eating, salads, garnishes, stir-fries, soups

Pests, disease & resistance

Resistance: Common Rust (Intermediate); Purple Blotch (Intermediate); White Tip (Intermediate)

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
1	—	—	June – July	September
2	—	—	May – July	August – September
3	—	—	May – June	August – October
4	—	—	April – June	July – October
5	—	—	April – May	July – November
6	—	—	April – May	July – November
7	—	—	March – May	June – November
8	—	—	March – April	June – December
9	—	—	February – March	May – December
10	—	—	January – March	April – December
11	—	—	January – February	March – December
12	—	—	January – February	March – December
13	—	—	January – February	March – December

Companion planting

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

TomatoesAlliums repel aphids, spider mites, and hornworms that commonly attack tomatoes

CarrotsAlliums deter carrot flies while carrots help break up soil for allium bulbs

CabbageRepels cabbage worms, aphids, and flea beetles that damage brassicas

LettuceAlliums deter aphids and slugs while providing natural pest protection

RosesHelps prevent black spot, aphids, and Japanese beetles on roses

StrawberriesDeters slugs, aphids, and nematodes that commonly damage strawberry plants

PeppersRepels aphids and spider mites while improving overall plant health

BroccoliProtects against cabbage loopers, aphids, and other brassica pests

Avoid

BeansAlliums can inhibit nitrogen fixation and stunt growth of legumes

PeasCompounds in alliums interfere with beneficial root bacteria in legumes

AsparagusBoth compete for similar soil nutrients and can inhibit each other's growth

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

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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 onions & alliums growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

Jumper

Sowing

Cultivation

Appearance & flavour

In the kitchen

Pests, disease & resistance

Planting calendar by USDA zone

Companion planting

Avoid

Nutrition (per 100 g)

Where to buy seed and equipment

Grown Jumper?

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