Grown Brussels Sprouts 'Long Island Improved'?

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Brussels Sprouts 'Long Island Improved' — Brassicas

100-120days to harvest

5-10days to germinate

Z6–9USDA zones

Moderatedifficulty

Heirloom

Sowing

Start seeds indoors 12-14 weeks before first fall frost, or direct sow in late spring for fall harvest. Transplant when 4-6 inches tall.

Cultivation

Sun: Full sun to partial shade (4-6+ hours)
Water: 1-1.5 inches per week, consistent moisture
Soil: Rich, well-drained soil with high organic matter content
Soil pH: 6.0-7.0
Spacing: 18-24 inches
Height: 10-24 inches
Season: Cool season

Appearance & flavour

Colour: Deep green
Size: 1-2 inches diameter
Shape: Compact, round mini-cabbages clustered along stem
Flavour: Sweet and nutty when harvested after frost, mild cabbage flavor

In the kitchen

Roasting, steaming, sautéing, grilling, shredding raw for salads, braising with bacon

Pests, disease & resistance

Pests: Cabbage worms, aphids, flea beetles, cabbage loopers
Diseases: Clubroot, black rot, downy mildew, powdery mildew
Resistance: Good tolerance to clubroot and black rot

Planting calendar by USDA zone

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

Companion planting

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

NasturtiumsActs as trap crop for aphids and flea beetles, repels cucumber beetles

ThymeRepels cabbage worms and whiteflies, attracts beneficial insects

DillAttracts beneficial wasps that parasitize cabbage worms

OnionsRepels cabbage root flies, aphids, and other brassica pests

MarigoldsDeters nematodes and general garden pests, attracts beneficial insects

CarrotsLoosens soil around Brussels sprouts roots, doesn't compete for nutrients

CeleryNatural pest deterrent that repels cabbage worms and aphids

BeetsDifferent root depth prevents competition, may improve soil structure

Avoid

TomatoesBoth are heavy feeders competing for nutrients, tomatoes may stunt brassica growth

StrawberriesInhibits Brussels sprouts growth and development through root competition

MustardSame family (Brassicaceae) attracts identical pests and diseases, depletes soil nutrients

Nutrition (per 100 g)

Protein (g): 3.98
Fat (g): 0.565
Carbohydrate (g): 9.62
Fibre (g): 4.78
Vitamin C (mg): 143
Folate (µg): 86
Calcium (mg): 38.6
Iron (mg): 0.73
Magnesium (mg): 25
Phosphorus (mg): 78.5
Potassium (mg): 477
Zinc (mg): 0.366

← PreviousWhite Hot Cauliflower Next →Napa Cabbage 'Michihili'

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 brassicas growing guide.

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

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 Brussels Sprouts 'Long Island Improved'?

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