Brussels sprouts Trafalgar F1

Brassica oleracea var. gemmifera Trafalgar F1
Cabbage, Wild cabbage, Cauliflower, Broccoli, Kale, Brussels sprouts.

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per pack of 30 seeds approximately

4,50 €

Sku: 1682

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'Trafalgar F1' is a British-bred variety that is both vigorous and high-yielding. It produces excellent quality, smooth, firm sprouts that are sweet, crunchy and full of flavour. Sow under cover from March to May or outdoors from April to June. Harvest from November to February.

Ease of cultivation

Beginner

Height at maturity

75 cm

Spread at maturity

50 cm

Soil moisture

Damp soil

Germination time (days)

7 days

Sowing method

Direct sowing, Sowing under cover, Sowing under cover with heat

Sowing period March to June

JAN J

FEB F

MAR M

APR A

MAY M

JUN J

JUL J

AUG A

SEP S

OCT O

NOV N

DEC D

Harvest time January to February, November to December

JAN J

FEB F

MAR M

APR A

MAY M

JUN J

JUL J

AUG A

SEP S

OCT O

NOV N

DEC D

Description

'Trafalgar F1' is a British-bred variety that is both vigorous and high-yielding. It produces excellent quality, smooth, firm sprouts that are sweet, crunchy and full of flavour. Sow under cover from March to May or outdoors from April to June. Harvest from November to February.

Brussels sprouts (Brassica oleracea gemmifera) are leaf vegetables belonging to the large Brassicaceae family (ex-Cole family). This biennial plant is grown as an annual for its small, cabbage-like axillary buds. It was developed during the 14^th century by Belgian market gardeners willing to increase their productivity. Because Brussels sprouts grow vertically, they take up little ground space and offer higher yields per m2 than regular cabbage.

Brussels sprouts are an autumn and winter vegetable par excellence. They have a sweet and delicate, comforting flavour that goes well with smoked bacon and chestnuts. They are traditionally eaten braised, sautéed or boiled to accompany meat and fish dishes. They can also be lightly steamed and eaten in cold salads. From a nutritional point of view, brussels sprouts are excellent: their energy value is low but they are very rich in vitamins C and B as well as containing lots of fibre, antioxidants and minerals.

Brussels sprouts are not as demanding as other types of cabbage. They thrive in moderately rich soil (high in nitrogen) with regular watering and plenty of sun. Amending with too much compost or manure will result in small, blown or burst sprouts. Best results are generally achieved in cool and rainy climates.

Harvest: Harvest Brussels sprouts by cutting them off the stem with a sharp knife, from the bottom upwards.

Storage: Brussels sprouts will keep for 3-4 days in the refrigerator. They also freeze very well after being blanched in boiling salty water.

Good to know: Even if the vegetable garden is first and foremost a place for growing great quality veg, it’s always a good idea to leave a bit of room for flowers. Growing flowers alongside your vegetable plants will make your general gardening experience more enjoyable and is a great way to attract pollinators and repel garden pests! Flowers such as gaillardia, marigolds, zinnias, cosmos or nasturtiums can be sown in and around the rows of vegetables. Herbs such as dill can be very useful also. Bear in mind that some companion plants self-seed easily and can be a bit invasive (borage, chives, lemon balm etc.)

NB: This variety is marked F1 for "F1 hybrid" meaning that its qualities are derived from carefully selected parent plants. This results in a variety that is both full of flavour and resistant to diseases. Sometimes criticized or wrongly assimilated to GMOs, F1 hybrid seeds have the advantage of producing reliable, uniform, disease resistant plants. Unfortunately, these qualities will not be passed on to following generations.

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Family sheet

Modified the 27 January 2026 by Virginie T. 15 min.

Cabbage: planting, sowing and harvest

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Harvest

Harvest time January to February, November to December

Type of vegetable Leaf vegetable

Size of vegetable Medium

Interest Flavour, Nutritional value, Productive

Plant habit

Height at maturity 75 cm

Spread at maturity 50 cm

Growth rate normal

Foliage

Foliage persistence Annual

Foliage colour medium green

Botanical data

Genus

Brassica

Species

oleracea var. gemmifera

Cultivar

Trafalgar F1

Family

Brassicaceae

Other common names

Cabbage, Wild cabbage, Cauliflower, Broccoli, Kale, Brussels sprouts.

Origin

Cultivar or hybrid

Annual / Perennial

Annual

Product reference • 168211

Planting and care

Sowing:

The germination temperature for Brussels Sprout Trafalgar F1 is around 15° and takes about 14 days.

It can be sown from March to May under cover and from April to June in open ground for harvesting from November to February.

You can either directly sow it in place or prepare seedlings that will be later transplanted to their final position in the garden.

Preparation of seedlings: In a heated greenhouse at the end of winter, in a cold greenhouse or in a nursery in the garden for the rest of the year, sow the seeds at a depth of 1 cm in a good seed compost. Lightly cover with compost or vermiculite. Remember to keep the substrate moist but not waterlogged!

When the young plants appear strong enough to be handled, transplant them into pots if necessary, and for seeds sown under cover, gradually acclimatize them to cooler temperatures before transplanting them to the garden, when there is no longer any risk of frost.

Direct sowing: In properly amended and finely worked soil, make furrows about 1 cm deep, spaced 65 cm apart. Sow the seeds and cover them with a thin layer of fine soil. When the seedlings are well developed, thin them out, leaving one plant every 65 cm or so.

Cultivation:

Brussels Sprouts are less demanding than most cabbage varieties. They thrive in moderately rich soil, especially in nitrogen. Overly rich soil would result in the production of small, open, or burst sprouts.

They are not very tolerant of soil pH, which should be between 5.6 and 6.5. In acidic soil, it is necessary to gradually raise the pH by adding calcium in the form of Dolomite or Lime.

Brussels Sprouts, like all cabbages, are quite susceptible to diseases such as Clubroot and pests (Cabbage White Butterfly, Cabbage Fly, Flea Beetle, Gall Midge...). It is very important, for this crop, to practice crop rotation.

Seedlings

Sowing period March to June

Sowing method Direct sowing, Sowing under cover, Sowing under cover with heat

Germination time (days) 7 days

Care

Soil moisture Wet

Disease resistance Good

Pruning No pruning necessary

Intended location

Type of use Vegetable garden

Hardiness Hardy down to -29°C (USDA zone 5) Show map

Ease of cultivation Beginner