Mediterranean lineseed
Bellardia trixago · Orobanchaceae
The gardener's calendar
Ideal time to plant mediterranean lineseed: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- English name
- Triquetra Bellardia
- Family
- Orobanchaceae
- Type
- Annual herbaceous plant
- Flowering
- Spring to summer (May-July)
- Adult size
- 30 to 60 cm in height
- Hardiness
- Moderate, temperate to warm climate
- Origin
- Mediterranean basin and Near East
- Exposure
- Full sun to partial shade
Care
Exposure
Bellardia trixago grows best in full sun, which promotes generous flowering. It also tolerates partial shade, particularly in hot regions. Avoid dense shade, which slows its growth and flower production.
Watering
Water moderately during the growing season, allowing the soil to dry slightly between waterings. During flowering, maintain regular moisture without waterlogging. Reduce watering in autumn and winter.
Soil and substrate
This plant prefers well-draining soil, ideally light and slightly chalky, as in its Mediterranean habitat. Light potting soil enriched with sand facilitates drainage. Avoid heavy, compacted soils that promote root rot.
Pruning and maintenance
Prune lightly after flowering to maintain a compact form and encourage branching. Remove faded flowers to extend the blooming period. At the end of the season, you can let the plant reseed naturally before removing it.
Fertilizer
Apply balanced fertilizer every 3-4 weeks during the growing season. Prefer low-nitrogen fertilizer to avoid excessive foliage growth at the expense of flowers. Stop feeding in autumn.
Diseases and pests
Bellardia trixago is generally robust. In excess moisture, fungal diseases may appear: check ventilation and soil drainage. Monitoring insect infestations is not usually necessary in normal cultivation.
Did you know?
Bellardia trixago belongs to the Orobanchaceae family, once considered a classic herbaceous plant but reclassified as an underground semi-parasite: its roots can indeed form parasitic associations with other plants in its wild Mediterranean habitat, a remarkable survival strategy in arid environments.
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.
Add this plant to my garden →Plants from the same family
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- Red bartsiaOdontites vernus
- Marsh lousewortPedicularis sylvatica
Tips generated and checked by Viridia — adapt them to your local climate.