Stephaine LeBlanc, a gardening expert and founder of Celebrated Herb, has shared that growing lavender is easy enough but the most "crucial" way to "keep them healthy" and "blooming all year round" is using the right fertiliser.

She said: "Organic fertilisers, such as composted manure, worm castings, and bone meal, are excellent choices because they provide a balanced mix of essential nutrients and improve soil structure.