Hosta 'Touchstone'
 

This sport of H. 'Golden Tiara' is a non-registered cultivar from Roger and Ann Bowden of Devon, England . It differs from the mother plant by having a green leaf with white marginal variegation. Purple flowers bloom from mid-July into August.

According to The Hostapedia by Mark Zilis (2009), "...I can see very little difference from 'Diamond Tiara'."

An article by Warren I. Pollock in The Hosta Journal (2001 Vol. 32 No. 2)  states that, "If you've been enchanted with a small hosta in the British trade labeled H. 'Touchstone', I'm told it is "identical" to H. 'Diamond Tiara'...Roger Bowden replied, "I can confirm that H. 'Touchstone' and 'Diamond Tiara' are identical leaf-wise in our nursery. Incidentally, the purple flowers of H. 'Touchstone' were claimed to be scented but that now has been refuted."..."



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