The Best Cottage Garden Flowers for UK Borders
From foxgloves to hollyhocks, here are the classic flowers that give British cottage gardens their romantic, abundant character — and how to grow them well.
Ask anyone to picture a British cottage garden and they'll likely describe some version of the same scene: hollyhocks leaning against a wall, foxgloves nodding above a gravel path, roses scrambling over a doorway. These plants have earned their place in cottage gardens over centuries, and they remain some of the most rewarding flowers you can grow in a UK garden today.
Foxgloves (Digitalis purpurea)
Few plants say "cottage garden" quite like the foxglove. Their tall spires of speckled, bell-shaped flowers thrive in the dappled shade at the edge of a border and are wonderful for bridging the gap between spring bulbs and high summer perennials. They're biennial, so sow seed one year for flowers the next — or let an established clump self-seed, which it will happily do.
Hollyhocks (Alcea rosea)
Hollyhocks bring height and drama, often reaching well over head-height by midsummer. Plant them against a warm, sheltered wall or fence where they can lean without toppling. They can be prone to rust, so give plants good air circulation and remove affected leaves promptly.
Roses
No cottage garden is complete without roses — whether a climbing rose trained over an arch, or an old-fashioned shrub rose like a David Austin English Rose bred specifically for that romantic, full-petalled cottage look. Choose disease-resistant varieties suited to UK conditions, and feed in spring with a proper rose fertiliser for a strong summer flush.
Sweet peas (Lathyrus odoratus)
Grown up a wigwam of hazel or willow, sweet peas add both colour and one of the most evocative scents in the garden. Sow in autumn for the strongest plants and earliest flowers, or in early spring if you missed the autumn window. Pick regularly — the more you cut, the more they flower.
Delphiniums
For sheer vertical impact, delphiniums are hard to beat, their spires of blue, purple and white flowers forming the backbone of many classic English borders. They do need staking and are a favourite of slugs, so protect young growth in spring.
Hardy geraniums
Not as showy as the others on this list, but essential as a workhorse: hardy geraniums fill gaps, suppress weeds, and flower for months with almost no maintenance. Use them to knit your border together at ground level while the taller stars take centre stage.
A note on planting style
The secret to the cottage garden look isn't really the individual flowers — it's how they're planted. Group them informally, let them touch and overlap, and don't worry about colour-coordinating too precisely. A little exuberant clashing is part of the charm.
Eleanor Hartley
Founder & Head Gardener
Eleanor has tended cottage gardens across Somerset for over fifteen years and founded Cottage Garden Blog to share practical, unfussy advice for growing beautifully in the British climate.