I had them just the one year. The caterpillars are pretty amazing too but I think all the chrysalises must have frozen as we never saw another swallowtail or their caterpillars and I plant fennel every year..
Vendée - 20kms from Atlantic coast.
"The price good men (and women) pay for indifference to public affairs is to be ruled by evil men (and women)."
Posts
I had them just the one year. The caterpillars are pretty amazing too but I think all the chrysalises must have frozen as we never saw another swallowtail or their caterpillars and I plant fennel every year..