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Special Offers

100 bulbs £3.49 with any order

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2 Clematis Jumbo Plug plants £3.99 with orders over £30

Cauliflower 'Boris' F1 HybridBrassica oleracea (Botrytis Group)

Just £2.99

Half-Hardy Annual
What is Half-Hardy Annual?
A plant that completes its entire life cycle (growth, reproduction, death) in one season.
Can be grown outdoors but requires winter protection from frosts and temperatures below 0C.
1 Review
1 packet (25 cauliflower seeds) £2.99 Despatch: within 3 days
Description Sowing More Info Delivery Reviews

We've selected Cauiliflower Boris F1 to withstand all weather conditions under all levels of care in any type of soil! If you're new to cauliflower growing or have had poor results in the past Cauliflower Boris is for you! This really is a gardener-friendly variety.

Vigorous root systems support healthy plant growth and erect foliage formation for a tidy, manageable crop. Cauliflower Boris F1 will grow in any soil type and will withstand whatever the British weather can throw at it - rain or shine. The large curds hold well on the plant with no blemishing. Sow successionally in spring for harvest from June to September. Height 45cm (18"). Spread: 60cm (24").


Companion planting: Try growing cauliflowers with Nasturtiums to draw cabbage white butterflies away from your crop, and mint to help deter flea beetles.

Useful Links:
How to sow brassica seeds
Reasons to buy your seeds from Thompson & Morgan


Kitchen Garden

Half-hardy

Full sun

Up to 45cm (17.7in)

Up to 60cm (23.6in)

Easy for all

A little experience

1 packet (25 cauliflower seeds) (75017)

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Sowing Months Harvest Months
Water cauliflowers regularly and do not allow them to dry out as this may impair their development. Hoe between plants regularly to prevent weeds from establishing and bring insect larvae to the surface. Autumn cauliflowers can be harvested from late September when the curds are fully matured, and while they are still tight and firm. Culinary note: Cauliflowers freeze well.

Sow Cauliflower seed from April to June. Direct sow outdoors into a well prepared seedbed, for transplanting to their final positions later on. Sow at a depth of 1cm (1/2") and distance of 30cm (12") between rows. Cauliflower plants can be transplanted to their final positions approximately 5 weeks from sowing.

Alternatively sow Cauliflower seed indoors at a depth of 1cm (1/2") in trays of free-draining, seed sowing compost and cover with a sprinkling of vermiculite. Place in a propagator or seal container inside a plastic bag at a temperature of 21C (70F) until after germination which takes 4 -7 days. Transplant seedlings into 7.5cm (3") pots and grow Cauliflower plants on in cooler conditions until all risk of frost has passed and plants are large enough to be transplanted outdoors.

Gradually acclimatise Cauliflower plants to outdoor conditions over 7 – 10 days before planting in a sheltered position on firm, rich fertile, well drained soil in full sun. Prepare the soil in early spring by adding plenty of well rotted farmyard manure to the soil to improve its structure and fertility. Apply lime to acid soils to reduce the acidity and lessen the risk of clubroot. Plant cauliflowers at a distance of 25cm (10") between plants each way for 'baby heads', and 60cm (24") apart for larger heads. Cover with a protective netting or fleece to prevent attack from birds and insects. Water the plants thoroughly after planting.

Delivery

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £1.95.

Orders which include any other products will incur a delivery charge of £4.95.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.90 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

Satisfaction Guaranteed

For your complete peace of mind, our Home and Garden products may be returned to us within 30 days of purchase for a refund of the purchase price. Items must be returned unused, at your cost and in mint condition. All items carry a manufacturer's 12 month defects warranty.

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