ID a fern please

[Véronique Macrelle]

Hello,
there was 2 Prothallus in January 2017 in a seed pot and now this little fern has grown

can anyone identify it?

[pfirsich48]

Too early to tell for sure but looks like cyrtomium sp.

[Véronique Macrelle]

thank you, the genus is already good.
 it is hardy then ?
 a fern is long to grow from spore!

[annew]

I think it is Cyrtomium also. This species often occurs as a 'weed' in sowings of spores. We have seen it growing in the wild in the south of England, but it would probably not take hard frost.

[Véronique Macrelle]

where do the spores come from? potting soil that we buy?

[zephirine]

I think it is Cyrtomium also...We have seen it growing in the wild in the south of England, but it would probably not take hard frost.

Veronique, both Cyrtomium falcatum and Cyrtomium fortunei have been growing for the last 10 years in my garden (between Lyon and Grenoble, Alt.450m), without any special winter protection.
They have survived the 2012 February (3 weeks without de-frost, with temps down to -19°C).

[shelagh]

It is thriving in our garden in the north of England and has done for several years.

[ArdfearnAli]

I also grow Cyrtomium fortunei which has survived for years and coped with temperatures down to -18C. I find its best in a slightly sheltered spot in semi shade or full shade. It prefers a moist but not too wet soil and is evergreen although the older fronds tend to get a bit tatty after the winter. We tend to find it dotted around the nursery in random spots. It may have come in with the compost as suggested that you used for seeds if there are none in your garden or perhaps neighbours? Well worth growing on. The young fronds are a light green against the darker older leaves. The plants in my garden tend to reach about 60cm in height although perhaps in milder areas they will be taller.

Alasdair

[Véronique Macrelle]

merci Zeph, Shelagh and  Alasdair   

about 60 cm !!!
I have time to see it grow ....