The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.

Upright, branching stems bear greenish-white or blue flowers gathered into a cone surrounded by a ruff of spiny bracts. In some, the upper part of the plant is suffused with metallic blue.

Thyme (Thymus) is a compact evergreen shrub with small aromatic leaves. It’s easy to grow in a warm, sunny spot, in free-draining soil or containers. It’s also drought tolerant and needs little ...

The prestigious RHS Medals and Awards are handed out as the Show opens. Take a tour of the gardens and see if you agree with ...

These spreading deciduous shrubs, ranging from 2.5-5m (8-16ft) in height and spread, produce spider-like, usually yellow (but also orange or red) flowers on the bare branches in late winter. The oval ...

A perennial to 25cm in height, forming extensive colonies. Erect racemes of nodding, bell-shaped, fragrant white flowers arise with the paired, elliptic leaves ...

These mainly rounded shrubs, wider than they are tall, have handsome leaves showcasing the gorgeous flowers. P. delavayi is upright and vase-shaped. Tree peonies lose their leaves in winter. All the ...

Pear rust is a disease caused by the fungus Gymnosporangium sabinae, which causes bright orange spots on the upper surfaces of pear leaves in summer and early autumn. This fungus attacks both pears ...

A deciduous or partially evergreen aquatic perennial, with elliptic or lance-shaped floating leaves and forked racemes of small, fragrant white flowers with purple anthers, held just above the water ...

These are fleshy, rounded, underground storage organs, usually sold and planted while dormant. Examples include daffodils, tulips, hyacinths, lilies, onions and garlic. The term is often used to cover ...

Solanum can be annuals, perennials, evergreen or deciduous shrubs or twining climbers, with simple or pinnnately lobed leaves and star- or bowl-shaped, 5-lobed flowers with prominent stamens, followed ...

Broccoli, or sprouting broccoli, is a delicious, nutritious and easy-to-grow member of the cabbage family. It forms multiple small clusters of purple or white A bud is a small, undeveloped shoot that ...