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Conservor — Onions & alliums | DarkGrow Seed Bank

Name: Conservor
Brand: DarkGrow Seed Bank

110days to harvest

—days to germinate

Z5–10USDA zones

Easydifficulty

F1 hybrid

Sowing

Plant sets or seed in early spring or fall, 2-3 weeks before soil freezes

Cultivation

Sun: Full sun (6+ hours)
Water: Moderate
Soil: Well-drained loam
Spacing: 6-8 inches
Height: 12-18 inches
Season: Warm season annual

Appearance & flavour

Colour: Reddish-copper
Shape: Elongated
Flavour: Mild and sweet with subtle copper undertones, characteristic of premium shallot varieties.

In the kitchen

Cooking, caramelizing, vinaigrettes, roasting, seasoning

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
1	—	—	June – July	September
2	—	—	May – July	September
3	—	—	May – June	August – October
4	—	—	April – June	August – October
5	—	—	April – May	August – November
6	—	—	April – May	July – November
7	—	—	March – May	July – November
8	—	—	March – April	June – December
9	—	—	February – March	May – December
10	—	—	January – March	May – December
11	—	—	January – February	April – December
12	—	—	January – February	April – December
13	—	—	January – February	April – 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 fly while carrots help break up soil for allium bulbs

BrassicasAlliums repel cabbage worms, aphids, and flea beetles that damage cabbage family plants

LettuceAlliums provide natural pest protection without competing for nutrients

RosesAlliums repel aphids, thrips, and may help prevent black spot disease

PeppersAlliums deter aphids and other soft-bodied insects that attack pepper plants

StrawberriesAlliums repel slugs, aphids, and nematodes that commonly damage strawberry plants

MarigoldsBoth plants repel similar pests and complement each other's pest control properties

Avoid

BeansAlliums can inhibit growth of legumes and interfere with their nitrogen-fixing capabilities

PeasAllium compounds can stunt pea growth and reduce pod production

AsparagusAlliums may inhibit asparagus spear development and overall plant vigor

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.

Conservor

Sowing

Cultivation

Appearance & flavour

In the kitchen

Planting calendar by USDA zone

Companion planting

Avoid

Nutrition (per 100 g)

Where to buy seed and equipment

Grown Conservor?

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