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Cauliflower Autumn Giant Primus (untreated) - Brassica oleracea

Brassica oleracea Géant d'Automne Primus
Cauliflower

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More information

A superb autumn variety, very vigorous, which offers large white apples protected by beautiful green foliage. This Autumn Cauliflower is sown from March to June for a harvest from September until the first frosts.
Ease of cultivation
Beginner
Height at maturity
50 cm
Spread at maturity
60 cm
Soil moisture
Damp soil
Germination time (days)
14 days
Sowing method
Direct sowing, Sowing under cover
Sowing period March to June
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Harvest time September to December
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Description

The Autumn Giant Primus Cauliflower is a superb autumn variety, very vigorous, which offers large white heads protected by beautiful green foliage. This autumn cauliflower is sown from March to June for a harvest from September until the first frosts.

With its immaculate white colour and, in recent years, joyfully yellow, orange or purple, the Cauliflower is a flowering vegetable whose fleshy meristem is consumed. It belongs to the large family of Brassicaceae (formerly Cruciferae) and bears the Latin name Brassica oleracea botrytis. Sometimes called Cyprus Cabbage, Cauliflower is a biennial vegetable plant whose supposed origin is China.

Consumed for the first time in Germany only 300 years ago, this vegetable has earned a special place in our kitchens because it lends itself to many preparations. It can be consumed raw in salads or cooked, plain, in gratin with béchamel sauce or accompanied by a curry sauce that complements its flavor very well. It is a low-calorie vegetable and rich in vitamin C.

There are many varieties of Cauliflowers and each one has a distinct growing season that should be respected. By carefully choosing your seeds, you can have this vegetable all year round.

Cauliflower is a demanding vegetable, requiring excellent base fertilisation and regular moisture.

Harvest: Cauliflower is harvested when its head is well compact by simply cutting it at ground level.

Storage: Cauliflower does not keep very well. It is best to consume it quickly after harvesting. It can be kept for a few days in the refrigerator. You can also freeze it after blanching it for 3 minutes in salted boiling water.


Gardener's tip: The main enemy of cauliflower is the Cabbage White Butterfly (Pieris brassicae), a pretty creamy white butterfly with small black spots that wakes up from April-May to wreak havoc all summer by devouring its leaves. We prefer to prevent it by installing an insect-proof net tightly on market garden hoops. These nets are easy to set up and reusable to protect, for example, your carrot and leek crops.

 

The untreated or "NT" seeds come from plants grown conventionally (usually with the use of pesticides), however, they undergo no treatment after harvest. These seeds are allowed in organic market gardening when organic seeds are out of stock.

Harvest

Harvest time September to December
Type of vegetable Flower vegetable
Vegetable colour white
Size of vegetable Large
Interest Flavour, Nutritional value, Productive
Use Cooking

Plant habit

Height at maturity 50 cm
Spread at maturity 60 cm
Growth rate normal

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Botanical data

Genus

Brassica

Species

oleracea

Cultivar

Géant d'Automne Primus

Family

Brassicaceae

Other common names

Cauliflower

Origin

Cultivar or hybrid

Annual / Perennial

Annual

Product reference30931

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Planting and care

Sowing : the germination temperature of Autumn Giant Primus Cauliflower is around 12° and takes about 14 days.

It is sown from March to June for a harvest from September to December.

You can either sow directly in the ground or prepare seedlings that will later be planted in their final position in the garden.

Preparing seedlings: at home or in a heated greenhouse, from late autumn to late spring, or in a cold greenhouse or nursery for the rest of the year, sow the cauliflower seeds at a depth of 1 cm (0.5in) in a tray filled with good seed compost. Cover lightly with compost or vermiculite. Cover with the transparent lid of the tray or plastic film until germination. Don't forget to keep the substrate moist but not waterlogged!

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

Direct sowing: In properly amended and finely worked soil, make furrows about one centimeter deep, spaced 60 cm (24in) 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 60 cm (24in).

Cultivation

Cauliflower is a demanding vegetable that requires well-rotted, nitrogen- and potassium-rich soil. It is advisable to apply a generous amount of mature compost (about 3/4 kg per m2) in autumn, by scratching it into the soil to a depth of 5 cm (2in), after loosening the soil as is done for all vegetable crops. It is not very tolerant of soil pH, which should be between 5.6 and 6.5. In acidic soil, it will be necessary to gradually raise the pH by adding calcium in the form of Lime.

Cauliflower, like all cabbages, is quite susceptible to diseases such as Clubroot and pests (Cabbage White Butterfly, Cabbage Fly, Flea Beetle, Gall Midge...), so it is very important to rotate crops for this cultivation.

It is beneficial to associate it with many vegetables such as tomato, lettuce... But avoid planting it near other Brassicas as well as zucchini, fennel, lamb's lettuce, leek and strawberry.

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Seedlings

Sowing period March to June
Sowing method Direct sowing, Sowing under cover
Germination time (days) 14 days

Care

Soil moisture Wet
Disease resistance Average
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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