Polypodium calirhiza 'Sarah Lyman'Ref.: POLYP 550
Origin : found by Sarah Lyman in 1897, wild, in California.
Family : Polypodiaceae.
Also known as Polypodium californicum 'Sarah Lyman'.
Graceful, this cultivar differs from the species by its broad and finely divided fronds. The rhizome is creeping and branching slowly. This fern is drough resistant and can be grown in any drained soil, acidic or chalky. Evergreen. Height : 30cm. Hardiness : -20°C