Tragopogon porrifolius, commonly known as the purple salsify or oyster plant, is a biennial herbaceous plant belonging to the Asteraceae family. Native to Europe and Western Asia, it has been introduced and naturalized in many parts of the world. The plant can grow up to 1 meter tall, featuring a long taproot that can extend up to 60 cm in length.
The leaves of T. porrifolius are long, narrow, and grass-like with a bluish-green hue. Its large, showy flowers have purple petals that form a daisy-like head at the end of each stem, blooming from May through July.
The edible root of T. porrifolius is used as a vegetable in many parts of Europe, where it is considered an important food crop due to its high nutritional value, including vitamins A, B1, B2, and C, as well as minerals such as iron and potassium.
In addition to its culinary uses, T. porrifolius has also been used for medicinal purposes for centuries. Its diuretic properties help promote urine production, thereby aiding kidney function.
Overall, Tragopogon porrifolius is a fascinating biennial herbaceous plant with both culinary and medicinal uses. Its edible root has been a significant part of human nutrition, while its medicinal properties have been utilized by various cultures throughout history.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Biennial
- Genus
- Tragopogon
- Family
- Asteraceae
- Hardiness Zone
- 6-10
- Mature Height
- 1.22 m
- Mature Spread
- 30 cm
- Leaf Color
- Green, Blue
- Leaf Type
- Deciduous
- Flower Color
- Purple
- Flower Size
- 5.08 cm
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Spring
- Harvest Time
- Mid summer
Other names.
