I don't know the variety in question, but from what I can find out it seems to be just a colour variant of the Hyacinth orientalis usually grown for spring bedding or pots and as such it should be perfectly hardy in the UK.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Just a follow up to let contributors know that Midnight Mystic performed spectacularly well in my rockery this spring - late developing (at one point I thought they wouldn't appear at all) but when they did lasted for ages and a great colour.
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As far as I know hyacinths are hardy but I'll bump you up the forum, someone might know better
In the sticks near Peterborough
I don't know the variety in question, but from what I can find out it seems to be just a colour variant of the Hyacinth orientalis usually grown for spring bedding or pots and as such it should be perfectly hardy in the UK.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Thanks everyone - interestingly if you try to grow these indoors they go purple not black that's why I wanted them outside
At a guess it's the higher light intensity that produces the darker colour.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Just a follow up to let contributors know that Midnight Mystic performed spectacularly well in my rockery this spring - late developing (at one point I thought they wouldn't appear at all) but when they did lasted for ages and a great colour.
In the sticks near Peterborough