Cauliflower Romanesco Navona F1 Seeds


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F1 Navona is a romanesco cauliflower producing a uniform crop of dark green, turreted curds with no bracts. It is a vigorous variety with good field holding properties and comes well recommended.

Cauliflower, not being one of the easiest of vegetables to grow is certainly regarded by many old hands as the test of a real gardener. But with good planning, regular care and a small dose of common sense, you can pretty much have cauliflower on the table all year round.

Pretty Wild Seeds are registered with the Department for Environment, Food & Rural Affairs (DEFRA) under number 7529, so you can have confidence in both our products and advice. Although our products are listed in weights and acres, we can supply in additional quantities upon enquiry so if you need a larger supply, please don't hesitate to give us a call.

  • 10 seeds for £2.95
  • 50 seeds for £9.79
  • Quantities from: £2.95




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    The Cauliflower Romanesco Navona F1 Seeds is shown in Vegetable, Herb & Fruit Seeds > Vegetables.

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    We happily accept returns within 14 days from date of delivery. All returns must be received in the same condition and packaging we sent them. Postage charges will not be refunded on unwanted products.

    You are solely responsible for ensuring the goods are returned to us. We will not be liable for returns that are lost in the post or lost for any other reason. If a product arrives damaged we will advise the customer how to return the item with all return costs covered by us.  Replacements & refunds will be dispatched / issued on receipt of the returned items only.

    Sow between May to June, sowings can be made in trays or modules under glass at 13°C. Later sowings can be made into a seed bed in shallow drills 2cm (3/4") deep in short rows.

    As soon as glasshouse seedlings show their first pair of leaves, prick off into trays 5cm (2") apart or thin modules to one seedling per cell. Gradually harden off before planting out, spacing plants 45cm (18in) apart between plants and 60cm (24in) between the rows. Outdoor sowings should be thinned to 7-10cm (3-4in) apart , then once plants are 15cm (6in) tall , they can be lifted and transplanted to their final planting positions, spaced the same as detailed above.

    Look to harvest between September to October, as a tip Cauliflowers dislike any check in growth. Lack of water can cause premature formation of small heads. Water regularly and feed as heads start to form to ensure perfect curds.