Flixweed
Descurainia sophia · Brassicaceae
The gardener's calendar
Ideal time to plant flixweed: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Brassicaceae
- Type
- Annual or biennial herb
- Adult size
- 30 to 60 cm in height
- Foliage
- Deciduous, finely cut
- Flowering
- Spring to summer (April-July)
- Hardiness
- Excellent, down to -15°C
- Origin
- Temperate regions of Central Asia and the Middle East
- Growth
- Fast
Care
Watering
Water moderately and regularly, keeping the soil slightly moist but without waterlogging. Reduce watering in winter or during prolonged dry spells. Prefer watering at the base to prevent foliage diseases.
Light exposure
Place descurainia in full sun or partial shade. It develops best with at least 6 hours of direct light per day, which promotes abundant flowering and compact growth.
Soil
Choose well-drained, light and fertile soil. This plant tolerates different soil types but prefers neutral to slightly alkaline pH. Enrich the soil with compost before planting.
Fertilizer
A balanced fertilizer application at the start of the growing season is generally sufficient. Avoid excess nitrogen which would promote foliage at the expense of flowering.
Pruning and maintenance
Pinch young plants to encourage denser branching. After flowering, remove spent flowers to extend the blooming period. Remove damaged or diseased parts as needed.
Diseases and pests
Descurainia is generally robust but can be subject to flea beetle or whitefly attacks in warm, humid conditions. Regularly inspect the foliage and ensure good air circulation around the plant.
Did you know?
The common name 'surgeons' wisdom' is said to come from the traditional use of this plant in folk medicine, particularly in the Middle East and Central Asia. It was once credited with healing and purifying properties, hence its symbolic association with medical knowledge.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
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Tips generated and checked by Viridia — adapt them to your local climate.