Growing Rosemary in the UK: A Simple Beginner's Guide

Rosemary grows well in the UK in a sheltered, sunny spot with free draining soil, and it strongly prefers being left slightly dry over being overwatered. Plant a young rosemary plant in spring, avoid rich or waterlogged soil, and give it a light trim after flowering to keep growth bushy rather than sparse and leggy.

Rosemary sits right beside my lavender on the allotment, and it is one of the plants that has genuinely surprised me with how little fuss it actually wants.

Where and how to plant it

Rosemary wants sun and drainage above almost everything else. Heavy, waterlogged clay soil is its least favourite condition, so raising the bed slightly or adding grit at planting time helps enormously if your ground holds water. Spring planting gives it the best chance to establish a strong root system before its first UK winter.

Watering, or rather, the lack of it

Established rosemary is genuinely drought tolerant and would generally rather be left dry than fussed over with frequent watering. Overwatering, particularly in heavier soil, is the most common way to lose a rosemary plant, far more so than an unusually cold winter.

Pruning for a bushy plant

A light trim straight after flowering encourages fuller, bushier growth rather than a single woody stem with sparse leaves at the top. As with lavender, avoid cutting hard into old bare wood, since rosemary is often reluctant to regrow from it.

Will rosemary survive a UK winter outdoors

Most hardy rosemary varieties cope well with a typical UK winter outdoors, provided drainage is good and the plant is in a reasonably sheltered spot away from harsh, cold winds. Wet roots in winter are a far bigger risk than cold air alone.

From my allotment bed to my soap pot

Rosemary is one of the plants I genuinely can cut and use the same afternoon, since it grows just steps from where I make my soap. It reads as herbal, green and awake in the finished bar, a scent I reach for particularly in autumn.

Frequently asked questions

Does rosemary need rich soil to grow well?

No, quite the opposite. Rosemary generally prefers leaner, free draining soil over rich, heavily fed ground.

Can rosemary survive outdoors through a UK winter?

Yes, most hardy varieties manage well outdoors provided the soil drains freely and the spot is reasonably sheltered.

Why is my rosemary plant turning brown and woody?

This is usually a sign it has gone too long without a proper prune after flowering, or that it is sitting in soil that stays too wet.

Rosemary essential oil is one of the scents in my range, herbal, green and clarifying, grown and used within one small patch of Milton Keynes, and it is on my website.