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Brussels sprouts Jade Cross F1 - Vilmorin Seeds

Brassica oleracea gemmifera Jade Cross F1

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'Jade Cross F1' Brussels sprout is a cold-hardy and productive early hybrid variety, perfect for autumn crops. It produces firm, medium-sized sprouts on wind-resistant plants. Sow from March to July for harvests from October to December. Vilmorin quality seeds.
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 period March to July
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Harvest time October to December
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Description

'Jade Cross F1' Brussels sprout is a cold-hardy and productive early hybrid variety, perfect for autumn crops. It produces firm, medium-sized sprouts on wind-resistant plants. Sow from March to July for harvests from October to December.

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 14th 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.

Harvest

Harvest time October to December
Type of vegetable Leaf vegetable
Size of vegetable Medium
Interest Nutritional value, Very 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

Cultivar

gemmifera Jade Cross F1

Family

Brassicaceae

Origin

Cultivar or hybrid

Annual / Perennial

Annual

Product reference26171

Planting and care

Sowing:

The germination temperature of Jade Cross F1 Brussels Sprouts is between 7 and 20°C and takes an average of 10 days.

It is sown from March to July for a harvest from October to December.

Seedling Preparation: 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 to a depth of 1 cm in a good seed compost. Cover lightly with compost or vermiculite. Don't forget to keep the substrate moist but not waterlogged!

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

Direct Sowing: In well-amended and finely worked soil, create furrows 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, keeping only one plant every 65 cm.

Cultivation:

Brussels Sprouts are less demanding than most cabbage varieties. They thrive in moderately rich soil, especially in nitrogen. Excessively rich soil can result in 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 cabbage plants, are susceptible to diseases such as Clubroot and pests (Cabbage White Butterfly, Cabbage Fly, Flea Beetle, Gall Midge, etc.). It is very important, for this crop, to practice crop rotation.

 

1
€7.50 Bag
6
€19.50
17
€14.50 Each

Seedlings

Sowing period March to July
Sowing method Direct sowing
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
Exposure Sun
Soil pH Neutral
Soil type Silty-loamy (rich and light), 192

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