Skirret
Sium sisarum
perennialFunctions
Plant Monograph
Skirret serves as an excellent perennial root vegetable for food forests and permaculture systems. Its tall, white umbel flowers attract beneficial insects while the deep taproots break up compacted soil. Plant in guilds with other umbellifers or use as understory in orchards. The architectural flowering stems add vertical interest to edible landscapes, making it perfect for transitional zones between formal and wild garden areas.
Design Role
Skirret serves as an excellent perennial root vegetable for food forests and permaculture systems. Its tall, white umbel flowers attract beneficial insects while the deep taproots break up compacted soil. Plant in guilds with other umbellifers or use as understory in orchards. The architectural flowering stems add vertical interest to edible landscapes, making it perfect for transitional zones between formal and wild garden areas.
Herbalistic
This information is for educational purposes only. Always consult a qualified healthcare professional before using any plant medicinally.
Traditionally used as a digestive aid and diuretic in European folk medicine. The roots were prescribed for kidney stones and urinary complaints. Chinese medicine recognizes similar species for treating respiratory conditions. The seeds possess carminative properties, helping relieve gas and bloating. Medieval herbalists valued skirret as a restorative tonic, particularly for convalescents. Modern herbalists note its potential blood sugar regulating properties, though scientific validation is limited.
Kitchen
Skirret roots taste remarkably sweet with hints of parsnip and carrot. Harvest after first frost when starches convert to sugars. Steam, roast, or sauté the finger-like roots whole - avoid peeling to preserve flavor. They excel in stews, gratins, and stir-fries. Young shoots can be blanched and eaten like asparagus. The roots candy well and were historically used in desserts. Store unwashed roots in damp sand through winter.
Ecology
Native to wetlands and riverbanks from Europe to Asia, skirret thrives in moist, fertile soils. Its umbel flowers support diverse pollinators including hoverflies, parasitic wasps, and small beetles. The deep roots mine nutrients from subsoil layers. Plants self-seed readily in suitable conditions, potentially becoming weedy. Provides habitat for predatory insects that control garden pests. Tolerates partial shade and can grow alongside water features or in rain garden edges.
Identification
Never consume a plant based solely on written descriptions or illustrations. Consult a local botanist when in doubt.
Sium sisarum grows 3-4 feet tall with bright green, pinnate leaves divided into serrated leaflets. White flowers appear in compound umbels during summer. The distinctive root system consists of multiple finger-thick, grayish-white roots radiating from the crown, resembling a cluster of small parsnips. Stems are grooved and hollow. Seeds are small, oval, and ridged. Distinguished from similar umbellifers by its clustered tuberous roots rather than a single taproot.
Building & Timber
Skirret has no applications in building or timber industries. The hollow stems are too weak and short for construction purposes. Historically, dried stems were occasionally used as kindling or tied in bundles for crude brooms. The plant's value lies entirely in food and medicine rather than structural materials. Focus cultivation efforts on root production and ecological services rather than any timber-related uses.
Curiosities
Emperor Tiberius allegedly had skirret roots shipped from Germany to Rome, considering them a delicacy. The name derives from Dutch 'suikerwortel' meaning sugar root. Tudor England prized skirret pies as wedding feast centerpieces. Despite being cultivated for over 2000 years, skirret mysteriously vanished from Western gardens after potatoes arrived, only recently experiencing revival among heritage vegetable enthusiasts. Some roots contain woody cores, possibly indicating the plant's wild ancestry.