perennial

Black horehound Ballota nigra with detail on individual purple flower

Alpine ladies mantle alchemilla alpina with pale underside of leaves ahown and fibrous root area

Autumn crocus Colchicum autumnale two flowers and leaf

Barren strawberry Potentilla sterilis with stolom and small inedible fruit

Illustration of the Columbine Aquilegia vulgaris examing different anatomy and colour forms of the flowers along with the seed pods and soft green lobed leaves

Sketchbook study of the Cornflower Centaura cyanus showing its rich blue colour and details of individual florets as well as of the thin leaves and flowering head, some details in colour and some in tonal pencil

Cow parsley illustration in pencil with details of stem, leaves and flowering head picked out in watercolour, and with a small view of the plant grwing at a distance, close up study of the individual flower and its anatomy

Sketchbook illustration of Japanese Knotweed Fallopia japonica with a few leaves shown in full colour detail along with a detailed colour study of the roots and lower stem, individual studies of lone flowers ara accompanied with tonal pecnil studies of the racemes of white fkowers and leaves showing venation pattern

Pencil line drawing of the Nettle Urtica dioica with one leaf and one leaf underside in full colour, and a few details of the flower and purplish stem in colour, and an accompnying pencil line drawing of a different plant

Different ways of supporting perennials including stakes, link stakes, split canes, frames, and cages

How to take basal cuttings from a perennial and trim the base before covering it with a bag in a pot until it’s established when the cuttings can be separated and re plantied or plated out

Diagram showing how to dig up clumping perennials such as hosta and divide them with the blade of a spade before returning them to the soil