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Onion Italian Flat


An old Italian heirloom dating back to 1400 that gets its name from its flat, button like appearance, also known as Borettana. A multi-purpose onion, plant it densely to produce a smaller onion suitable for salads or pickling or give it room for a larger onion for cooking and storing.

Average 25 seeds.

In stock

240 in stock

group veg image
Group 1820

Sowing info

Can be direct sown or multi sown into module trays before planting out. Sow seed 1cm deep and keep the soil lightly moist and the temperature around 15C until germination. Plant out after all risk of frost has passed.

Growing info

When harvesting for spring onions, slice off about 1cm above the roots so it can regrow. For larger onions, thin seedlings to rougly 10cm spacing. Onions are mature and ready to harvest when foliage flops over and starts to yellow.

Sowing Months: March – July
Harvest Months: May – October
Position: Full sun

Delivery to the UK only for all products and gift vouchers.

Standard Delivery
We aim to dispatch within 24 hours of receipt of order, standard delivery takes 2-3 days. During busy periods such as Christmas they may take longer.

Delivery Costs

Seeds up to 20 packs – Royal Mail untracked £2.95
Seeds over 20 packs – Royal Mail Small Parcel Tracked 48 £4.95



Sow Month

April, July, June, March, May


Easy to Grow

If you would like to return your seeds, you can do so within 14 days of receiving them. All seed packs must be returned fully sealed and in their original packaging and state. When we receive your return, we will issue a refund within 7 working days if the packs are in good order.

Returns postage cost must be paid for yourself.

Unfortunately we cannot accept returns due to germination issues because there are too many variables involved in growing. We carefully monitor our germination rates to offer the highest quality seeds possible to our customers.

Please send returns [with your order number and contact details] to:

She Grows Veg Ltd.
Office 3,
Great Gilberts Farm,
Bluegate Lane,
Capel St Mary,

Please note that gift vouchers are non-refundable.
We very much hope you’re happy with your seed order. If we have made a mistake, please get in touch with us and we are very happy to help. Email – [email protected].