Running bamboo (Phyllostachys) is invasive and spreads by underground rhizomes. Clumping bamboo (Fargesia) is not and stays put. Here is how to choose and contain bamboo.

When to prune a Japanese maple

Prune Japanese maples in full dormancy, from late autumn to midwinter. Avoid spring, when acers bleed sap. They need very little pruning. Here is how to do it right.

When to cut back ornamental grasses

Cut deciduous ornamental grasses back to the ground in late winter, around February. Evergreen grasses should be combed through, not cut. Here is how to tell them apart.

When to divide hostas

The best time to divide hostas is early spring as the eyes emerge, March to April, or early autumn in September. Here is how to lift, split and replant them.

How fast does bamboo grow?

How fast bamboo grows depends on the type. Established running bamboo can put on 30cm a day, while clumping bamboo is slower and steadier. Here is what to expect and how to speed it up.

Are cordylines hardy?

Cordyline australis is borderline hardy in the UK. It sails through mild and coastal winters but can be damaged by hard frost inland, especially when young. How to protect it, plus a hardier alternative.

How to stop bamboo spreading

To stop running bamboo spreading, install a rhizome barrier or sever escaping rhizomes with a spade each year. The permanent fix is to grow clumping bamboo, which stays put.

How to care for hostas

Hostas are easy once you get the basics right: moist, rich soil in shade, plenty of water, a spring feed, and slug protection. Here is the full year-round care routine.

When to cut back hostas

Cut hostas back in autumn once the leaves have yellowed and collapsed after the first frosts, usually October to November. Clearing the dead foliage also removes slug eggs.

When to cut back ferns

Cut deciduous ferns back in late winter to early spring, just before the new fronds unfurl. Evergreen ferns only need old fronds tidied in spring. How to tell them apart.