| The
Rock Garden On a far grander scale is the
Rock Garden which covers a large area of the slope below the Visitor Centre and
has as its central axis a series of cascades and ponds. Except for a section built
of limestone to accommodate plants adapted to this substratum, this garden was
constructed using the local basalt. It was designed to produce a variety of habitats
for plants from rocky situations around the world. | 
The Heather Garden and the Northern
Pavilion |
| The
Formal Garden Also on a large scale is the
Formal Garden, inspired by traditional European styles, which is laid out on three
terraces to the south of the Visitor Centre. On the first terrace is a herb garden,
with plants arranged in simple geometric beds, and a small rose garden, with a
collection of modern and heritage roses. |