Sir Harold Hillier Gardens - expansive arboretum and botanical gardens in Hampshire.

Sir Harold Hillier Gardens is a renowned arboretum located near Romsey in Hampshire, covering 72 hectares of beautifully maintained gardens and woodlands. Home to over 42,000 trees and shrubs across 12,000 taxa, this impressive attraction is a must visit for plant enthusiasts and those seeking peaceful things to do in Hampshire.

Visitors can explore a diverse collection of plant species including oaks, camellias, magnolias and rhododendrons, all set within carefully designed landscapes. Established in 1953 and now managed as a charitable trust, the gardens combine horticultural excellence with scenic walking routes, seasonal displays and tranquil surroundings. The extensive grounds offer year round interest, making it a popular destination for both casual visitors and keen gardeners.

Discover this unique attraction and enjoy a relaxing day in one of Hampshire's most celebrated gardens, where botanical diversity and natural beauty create an inspiring experience.

Find directions easily using Google Maps.