(6 votes, average: 3.50 out of 5)
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Sea Radish
Edible 
Autumn 
Spring 
Summer 
Winter
Available year round and common around many coastal areas Sea Radish is an easy to recognise member of the cabbage family particularly when the seed pods are present.
| Hedgerow Type | |
| Common Names | Sea Radish |
| Synonyms | Raphanus raphanistrum subsp. maritimus |
| Scientific Name | Raphanus maritimus |
| Season Start | Jan |
| Season End | Dec |
Leaves
Typical pinnate Brassica leaves growing in a rosette and with quite a rough texture.
Flowers
Yellow cruciform flowers, typical of the Brassica family. Flowers from June to August.
Seed Pods
Typically with two to three ‘peas’ easily visible in the tapering seed pod.
Habitat
Near the to the coast on shingle, sand or verges beside the road.
Possible Confusion
Almost identical to Wild Radish and the two can hybridise.
Can look similar to a few other Brassicas but all are edible.
Taste
All parts taste like Radish with a hint of cabbage.
Frequency
Common by the coast in the South and West and in the South West of Scotland.
Collecting
The whole plant tastes like radish with a hint of cabbage. The seed pods need to be collected before the seeds get hard, if you have missed this window the seeds can be ground into a mustard powder. The leaves are a bit tough but caught very young they are similar in taste to Charlock leaves. The leaf ribs make a crunchy addition to a salad. The roots can be used as a root vegetable or grated and used to make a horseradish substitute.
Other Facts
Sea Radish is a biennial and only the rosette of leaves can be found in its first years growth. It is frost and salt hardy and will grow on the poorest of mediums.
3 comments for Sea Radish
Are Sea Radishes invasive with their seeds spreading.
They can block sea views for walkers on costal paths.
Sea radish can grow quite large but I haven’t heard of it being invasive. I don’t live near the coast so maybe someone out there knows more.
I found a single plant last week by the coastal footpath in the Arnside/Silverdale area. It is a straggly branching plant, but with one side on the seashore it was not going to be an impediment to walkers