But a heatwave has slashed this year's harvest of rose petals, labour is hard to find and the global surge in energy prices has increased costs for a product so precious that it is dubbed "liquid gold".
This year's oil will be "considerably more expensive," Plamen Stankovski, a partner at rose oil producer and exporter Bulattars, told AFP in his distillery near Pavel Banya, in Bulgaria's famed Rose Valley.
— Read more in Inflation a thorn in the side of Bulgaria rose oil makers at Yahoo! News.