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Skirret

Sium sisarum

Also listed as Sium sisaroideum, Apium sisarum

herbaceous⛅ part shade💧💧💧 high water❄ Hardy: Zone 3a – Zone 9b

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Skirret is a rarely-grown perennial vegetable with slender, edible white roots that taste sweet and starchy when cooked. The plant produces tall stems with small white flowers and finely divided leaves, thriving in consistently moist conditions.

Why grow it

Skirret offers a distinct alternative to parsnips and other root vegetables, with roots that are notably sweeter and less fibrous when cooked. As a perennial, it can produce for multiple years from a single planting, reducing annual soil disturbance compared to annual root crops. The plant's tolerance for wet soils makes it useful in low-lying garden areas or water retention zones where other root vegetables often fail.

Watch out for

Skirret roots are quite slender and can be tedious to harvest and clean compared to larger root crops; digging carefully helps prevent breakage. The plant spreads vegetatively through small tubers and self-seeds readily, so managing it in garden beds requires some attention to prevent unwanted spread in subsequent seasons.

Overview

Form
Upright
Growth Rate
moderate
Size
1.5–2.5′ tall × 1–1.5′ wide
Dormancy
deciduous
Family
Apiaceae
edibledynamic accumulator

Native Range

East Asia

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Harvest Season

J
F
M
A
M
J
J
A
S
O
N
D

Edible Parts

root

Season of Interest

SummerFall

Notable Cultivars

Modern cultivars are poorly documented, though historically 'Beaufort' was noted. Most skirret plants in cultivation today are seed-grown landraces with variable root size and sweetness.

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Companion Planting

Plants well with