Copper from an old penny, vinegar, lemon juice and aspirin have some preservative effect as they are all acidic.
Grow Your Own Cut Flowers with Sarah Raven ‘Grow Your Own Cut Flowers is for the flower arranger who wants to grow their own flowers, but has never gardened before, and for the gardener who knows how to grow their own flowers, but wants ideas to fill their house with their harvest’ Amazon To grow a generic mix of flowers for arrangements and bouquets check out Thompson & Morgan
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