Propagation
The tiny seeds can be sown in flats than pricked out and transplanted into the prepared bed after 20 days or sown directly into a well aerated raised garden bed ensuring that they are not deeper that 20 mm (µ in).
Note:
Generally under cultivation these plants prefer a open sunny wind protected position and grow in well-drained organic rich moist soil that is neutral to slightly acidic.
Botanic information
Leaf: The very variable leaves ovate to oblong or lanceolate in outline and are up to 400 mm (16 in) long by 150 mm (6 in) wide. The basal leaves are petiolate and sometimes strongly rosulate forming a compact oblong head. It has a thick or slender fleshy petiole that varies from 20 mm (µ in) to 100 mm (4 in) or more in length and may be winged.
The variable margin can be entire, dentate or sinuate or sometimes pinnatifid or pinnatisect with oblong or ovate lobes. The upper leaves are sessile and are up to 90 mm (3½ in) long by 30 mm (1? in) wide and has a cordate base with entire margins.
Flower: The small bright yellow rotate flowers are up to 20 mm (µ in) wide and have ascending oblong sepals and spreading obovate petals with a rounded apex. They have a long slender pedicel and are arranged in a terminal cyme that is held high above the foliage on a slender green scape that is up to 400 mm (16 in) tall and appear during spring.
Fruit: The small sessile linear capsular fruit (siliqua) has 4-ascending valves and are up to 8 mm (? in) long and is dehiscent.The globose dark reddish brown seeds are up to 2 mm (2/16 in) long.