Prices updated daily — 21 July 2026

Product type overview

watercress & sea vegetables sits within Fresh Vegetables, part of Vegetables & Fruit. On this page you compare 4 products from 9 UK supermarkets: Aldi, ASDA, Co-op, Iceland, Morrisons, Ocado, Sainsbury's, Tesco and Waitrose. The lowest unit price for watercress & sea vegetables is £18.86/kg at Morrisons. In total, 1 variants of watercress & sea vegetables are compared (different pack sizes and compositions). All prices are normalised to the same unit (per kilogram, per litre or per piece) so that packs of different sizes can be compared fairly — a larger pack is not automatically the best value. The ranking below shows, per variant, which supermarket currently has the sharpest price, including own-label products alongside national brands. Prices refresh daily from the retailers' own public price lists, so you never see stale offers when planning your weekly shop. Allsupers uses no affiliate links or paid placement; the ranking is purely price-based and updated from public data.

Cheapest watercress & sea vegetables

Compare 4 products across 9 supermarkets

From £18.86 / kilo

watercress & sea vegetables — compare prices across 9 supermarkets

Morrisons Samphire 70g
Morrisons

Morrisons

Morrisons Samphire 70g

70 g

£1.32

£18.86/kg

Morrisons

at 1 supermarket

0
Sainsbury's Samphire 90g
Sainsbury's

Sainsbury's

Sainsbury's Samphire 90g

90 g

£1.70

£18.89/kg

Sainsbury's

at 1 supermarket

0
M&S Samphire
Ocado

M&S

M&S Samphire

90 g

£2.20

£24.44/kg

Ocado

at 1 supermarket

0
Waitrose Samphire
Waitrose

Waitrose Ltd

Waitrose Samphire

90 g

£2.25

£25.00/kg

Waitrose

at 1 supermarket

0