Dilly has been commissioned to produce illustrative work for charitable trusts, local authorities, architects, other landscape architects and garden designers. She combines hand drawings with computer graphics on Adobe Illustrator and Photoshop, which are used for scheme development, client pitches or public information.

Dilly has been producing illustrations for Ruskin Mill Trust which runs colleges for adolescents with special educational needs since the early 1990’s. These illustrations help explain the practical activities undertaken at the college which includes horticulture and farming.