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Artichoke tubers usually refers to the underground edible parts of the plant called the Jerusalem artichoke (also known as sunchokes).
They are knobbly underground tubers, similar in appearance to ginger root.
Despite the name, they are not related to globe artichokes—they’re actually a type of sunflower.
Mild, slightly sweet and nutty flavor
Taste is often compared to potatoes with a hint of artichoke or chestnut
Can be crisp when raw, soft and creamy when cooked
You can prepare them in many ways:
Roast (brings out sweetness)
Boil or mash (like potatoes)
Slice raw into salads (for crunch)
Add to soups or stews
They contain inulin, a type of fiber that can cause gas or bloating for some people—so it’s best to start with small amounts.
High in fiber
Good source of iron and potassium
Low in calories compared to potatoes
Early spring (March–April in the UK)
As soon as the soil is workable and not frozen
Full sun is best (they tolerate partial shade)
Any decent soil, but they prefer:
Well-drained
Slightly loose (helps tubers form properly)
Cut tubers into chunks (each with at least one “eye”)
Plant 10–15 cm deep
Space:
30–45 cm apart
Rows about 60–90 cm apart
👉 Tip: They grow tall (up to 2–3 metres), so plant them at the back of a garden or as a windbreak.
Water regularly while establishing, then they’re quite drought-tolerant
Weeding early on helps them get established
You can mound soil around stems (like potatoes) to boost yields
Usually no need for fertiliser unless soil is poor
They produce tall stems with yellow, sunflower-like flowers
Very vigorous—can spread easily if not controlled
👉 Consider growing them in a contained area or raised bed if you don’t want them taking over.
Ready in late autumn to winter (October onwards)
Best harvested after the first frost (improves flavour)
Lift tubers as needed—they store better in the ground than in a fridge
Leave in soil and dig when needed (best method)
Or store in:
Damp sand
Fridge (short-term)
Even tiny tubers left behind will regrow next year—so they can become permanent residents in your garden.
| Weight | 1kg | 2kg |
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