Skirret (Sium sisarum)
Skirret is a traditional European perennial root vegetable that was widely grown from medieval times through to the 19th century, valued for its sweet, clustered roots. Often referred to in old texts as a “sugar root,” it produces slender, finger-like roots that are sweeter and more aromatic than carrots when cooked.
The flavour is gently sweet, nutty, and floral, with a soft, creamy texture when roasted, boiled, or pan-fried. At KoruKai Herb Farm, we especially enjoy it simply sautéed in butter, where its natural sweetness really shines.
Skirret forms a clump of multiple edible roots from a single crown, making it a productive and rewarding perennial vegetable for the home garden. Once established, plants improve in yield each year as the root system expands.
Your order includes a healthy seedling with developing storage roots and shoots (see sample image below). Plant it directly into the garden on arrival and it will establish quickly, re-emerging strongly in spring.
Growing instructions and care details are provided below.
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Organically grown at KoruKai Herb Farm, Banks Peninsula, without the use of synthetic fertilisers, pesticides, or herbicides.
Skirret is a traditional perennial root vegetable in the Apiaceae family, alongside carrots, parsnips, parsley, and celery. Once widely grown across Europe and Asia, it is valued for its sweet, clustered roots and long-lived productivity in the garden. Plants grow to just under one metre tall and may flower even in their first season, though they are primarily grown for their edible storage roots.
This is a true perennial crop that returns year after year, forming a clump of multiple finger-like storage roots radiating from a central crown. The root cluster has a distinctive, almost “octopus-like” structure, with a mix of thick and fine roots that can be selectively harvested over time.
As with other members of the carrot family, Skirret produces umbels of small white flowers that are highly attractive to beneficial insects, including lacewings, ladybirds, hoverflies, and parasitic wasps—making it a valuable addition to ecological gardens and food forests.
Skirret is also highly nutritious, traditionally valued as a strengthening food rich in vitamin C, potassium, and dietary fibre, along with antioxidant compounds that support overall wellbeing and cellular health.
You will receive a crown with some storage roots and growing shoots similar to one of them in the image below.

Skirret is a hardy, adaptable crop native to Europe and Asia. In the wild it is often found growing in streamside and moist meadow environments, but it adapts well to cultivated garden systems. It performs best in full sun, though it will tolerate partial shade, particularly in hotter regions where root development benefits from reduced heat stress. In areas where temperatures regularly exceed 32°C, afternoon shade and consistent watering are recommended.
It is highly cold tolerant and survives winter dormancy easily, even in frozen soil, making it suitable for gardens throughout New Zealand.
Skirret can also be grown in large containers (20 litres or more), although consistent moisture is essential, as dry conditions significantly reduce root size and productivity.
Skirret prefers acidic to neutral soils and performs best in well-drained, moisture-retentive soil rich in organic matter. It is also surprisingly tolerant of heavier or even periodically wet soils, provided drainage is not permanently stagnant.
Before planting, enrich the soil with generous amounts of compost, well-rotted manure, or vermicast. Space plants 30–45 cm apart in a sunny garden or food forest system.
Skirret dies back in autumn and re-emerges in spring, so it is essential to clearly mark planting locations for winter harvest and maintenance.
Apply a thick winter mulch of compost, leaves, or organic matter each year to build soil fertility and support ongoing root production. Water deeply and regularly during establishment and dry periods, especially in summer.
Once established, Skirret is very low maintenance. Its main requirement is consistent soil moisture—if the soil does not dry out completely, it largely takes care of itself.
Please also see our video below about planting skirret:
Skirret is typically ready for its first harvest at the end of the first growing season, once the foliage has died back. Yields improve significantly in the second year and continue to increase as the clump matures.
Because it is perennial, Skirret can be harvested flexibly once established—either selectively through the year or in bulk during winter dormancy when the soil is workable.
At KoruKai Herb Farm, we harvest in mid-winter. Clumps are lifted, crowded plants are divided, and the largest storage roots are removed for food. Selected crowns are then replanted at 30 cm spacing with fresh compost added to each planting hole, ensuring ongoing productivity.
Skirret stores well in the ground provided soil conditions are not excessively wet and pest pressure is low. If lifting for storage, intact root balls can be kept at approximately 4°C with high humidity (around 95%) for 3–4 months. At room temperature, they remain fresh for about a week.
Young spring shoots are also edible and can be harvested early in the season as a tender green vegetable.

Skirret is a nutrient-rich traditional food, valued for its vitamin C, potassium, and dietary fibre, all of which support general health, digestion, and immune function. Its fibre content supports healthy gut function and regularity, while its antioxidant compounds may help protect cells from oxidative stress caused by free radicals. It has also been traditionally regarded as a gently strengthening root vegetable, often associated with vitality and seasonal nourishment. Some traditional uses also attribute mild anti-inflammatory properties, making it a valued part of a restorative diet.
Skirret has a naturally sweet flavour often described as a cross between carrot and parsnip, with a soft, creamy texture when cooked.
It can be used in many of the same ways as carrots:
The roots do not need peeling, although older or drought-stressed roots may develop tougher skin or a fibrous central core. These are easiest to remove after cooking, when they can be slipped or pulled away easily.
Skirret also works well in soups where it naturally breaks down, adding sweetness and body to the dish. Young spring shoots are edible and can be eaten raw or lightly blanched.
A thick bundle of harvest-able storage roots on this 3-year old plant.

Ingredients: live dormant plant material to plant into your garden
Finally cooked some the way you suggested and they are yum! Replanted and am looking forward to a bigger harvest next season. So pleased I gave them a try. I did have a job digging up my original plant which I had left 2 seasons but got there in the end.
Both the skirret and evergreen comfrey are doing well.
My skirret took a while to sprout but was doing well until the hail storm came along last week. It seems to be recovering slowly now.<br />
Had never heard of Skirret, thought it sounded tasty, so gave it a go. Plant is growing well and I am looking forward to trying it.
My skirret is doing very well 6 months after planting, can't wait for it to be ready.
Originally wondered why I brought it, now I realise this plant offers a great return for investment. Mine have just taken off and produced so much food for little effort. Would recommend it to anyone.
My plant adapted well, didn't experience any 'check' and is growing strongly. Looks very healthy.