Frost and/or drought. Worked every time in my last garden. I had two, an ordinary white flowering one and a fancy pink one from Christopher Lloyd's garden.
Shan't plant any here as I find they spent half the year underground and half the rest of the year looking sick despite being planted in the right soil and the right place with plenty of moisture when they wanted it and lots of mulch and compost.
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
Frost?
In the sticks near Peterborough
That's my thought too.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Frost and/or drought. Worked every time in my last garden. I had two, an ordinary white flowering one and a fancy pink one from Christopher Lloyd's garden.
Shan't plant any here as I find they spent half the year underground and half the rest of the year looking sick despite being planted in the right soil and the right place with plenty of moisture when they wanted it and lots of mulch and compost.
Pansy
Got to love Pink Panther 
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.