Gymnocarpium robertianumRef.: GYMNO 003
Origin : cold and temperate zones of the northern hemisphere.
Family : Cystopteridaceae.
This lime-loving and montaneous native fern is quite rare. It enjoys fresh and shady rockeries or limestone screes. It can tolerate light shade but not drought. The lamina is triangular, horizontal, green, not so bright and leafy as G. dryopteris. The axis and the lamina are covered with glandular hairs, giving a musky odour when creased. The rhizome is creeping and branching. Deciduous. Height : 15/20cm. Hardiness : -35°C.
- Foliage : deciduous
- Height : less than 30cm
- Soil type : alkaline, well drained
- Site : walls, rockery, rocks, banks, temporarily dry, walls, rockery, fountain, rocks, banks, cool to moist
- Exposure : shade
- Shape : flexible, light, ground cover
- Rhizome : creeping and branching
- Hardiness : down to -30°C (-22°F)