Botanical name: Chelidonium majus
Synonym: Chelidonium quercifolium, Chelidonium ruderale, Chelidonium umbelliferum
Common name: Celandine, greater celandine, tetterwort
Family: Papaveraceae (poppy family)
Native to: Europe and western Asia
Life cycle: perennial
Flower colour: yellow
Flower time (Central / West-Europe): May tot September
Characteristics and usage: medicinal & poison plant, Celandine contains chelidonic acid and alkaloids, latex is used against warts.
Weight of 1000 seeds: 0,7g
Seeds per gram: 1400
Cultivation / direction of sowing: sow seed at 22ºC (72ºF) for 6 weeks or more. Move to -4 to +4ºC (25-39ºF) for 6-8 weeks. Then raise the temperature to 10ºC (50ºF). If no germination in 4-6 weeks, repeat the cycle from the beginning. If the warm-cold cycles were not long enough, a new warm-cold cycle is needed. Small seed - do not cover.