2. Sissinghurst Castle Garden, Kent
Set in the picturesque county of Kent, Sissinghurst Castle Garden is a quintessential English garden and a masterpiece of garden design. Created by writer Vita Sackville-West and her husband Harold Nicolson, it features intimate and romantic outdoor rooms, vibrant flower borders, and a charming rose garden. Its enchanting atmosphere and architectural elements make it a true horticultural gem.