Henry Agg will be a new face to many in horticulture, but not to his hundreds of thousands of Instagram followers. He built his profile with posts and reels on gardens and health, especially mental health, and was named as one of Gardens Illustrated's 22 Horticultural Heroes for 2024. Henry works in high-level executive recruitment, but developed an interest in gardens and taught himself landscaping skills from books and YouTube. He studied for his RHS Level 2 and 3 qualifications in horticulture at night before studying garden design at The English Gardening School, and setting up his own design company in 2023.…