Read more: 25 Flower Bed Ideas That Will Bring Your Outdoor Space To Life Comfrey (Symphytum officinale) is a bushy perennial herb in zones 4 through 8 and has drooping white, purple, or pink flowers.

The Iberian comfrey (Symphytum ibericum) was one of 100 different plants in bloom at RHS Garden Bridgewater A spring flower count at the Royal Horticultural Society's newest garden has recorded ...

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