top of page

Where to See Bluebells in London: 7 Woods and Gardens

Writer: Ina
Ina
Apr 30, 2023
9 min read

Updated: 2 days ago

At Osterley the bluebells don't stay politely in a flower bed. They run through the long grass under the trees, right up to the lawns in front of the red-brick house with its four corner turrets. Some of them can be seen from the free park, without a garden ticket.


Bluebells in long grass under a tree canopy at Osterley, with the red-brick house and its corner turrets behind

I've photographed bluebells at Osterley, at Kew and in Epping Forest, and I've walked through Perivale Wood on one of its rare open days. Those places are all here, along with a few more woods and gardens.


It follows the flowers through the year from my snowdrops in London guide and comes just before the tulips. Along the way there are a few curiosities: why the Latin name means unlettered, why bluebells are used to date a wood, and what they have to do with arrows.


When Is the Best Time to See Bluebells in London?


The short answer is mid-April to early May. The Woodland Trust gives the national season as late March to early May. Its Nature's Calendar records put the average first flowering date at 9 April, based on sightings from 2001 to 2025.


London sits in the warm south-east, so our woods tend to flower early. A mild March can bring them forward by a week or more. A cold spring holds them back. Once a wood is fully out, the best of the display lasts roughly a fortnight.


The trick is to catch them before the tree canopy closes. Bluebells flower on the woodland floor while the branches above are still bare or just coming into leaf. When the oaks and beeches fill out, the light goes and the flowers fade.


Close-up of nodding violet-blue bells on arching stems in the grass

If you miss them, the magnolias are usually over by then, but the tulip festival at Hampton Court overlaps with bluebell season. Late April is a good week to see both.


Why Is Perivale Wood Only Open a Few Days a Year?


Perivale Wood, in Ealing, is one of the oldest nature reserves in Britain. It belongs to the Selborne Society, founded in 1885 to carry on the interests of Gilbert White, the naturalist of Selborne in Hampshire.


The Society began looking after the wood as a bird sanctuary in 1902. It leased the land in 1914 and bought it outright in the early 1920s. The wood became a Site of Special Scientific Interest in 1957 and a Local Nature Reserve in 1974.


The gates are normally locked. Members of the Society can borrow a key, but everyone else has to wait for the spring open days. That's why the bluebells here are so intact. The Society counts roughly four million flowering bluebells across its 27 acres, around 18 of which are ancient oak woodland.


I went on one of the open days, and my Instagram post from that walk has a glimpse of it. My tip: the open days are ticketed through Eventbrite, in timed slots, so book once the dates are announced.


For 2026 the Society held two open days, on Saturday 18 April and Saturday 25 April. Each had a morning and an afternoon slot. Tickets were £5.50 for adults and £2 for children, with the money going back into the reserve. Dates for 2027 will be announced in spring.


The records here go deep. The Society has found Mesolithic flints on the site. Westminster Abbey held the wood by 1227, when it was known as Broadhedge or Braddish.


Where Are the Bluebells at Kew Gardens?


The biggest display at Kew is in the Natural Area, the wilder south-west corner of the Gardens beside the Thames. It covers 37 acres of woodland. Kew's own guide describes it as one of London's finest bluebell woods.


In the middle stands Queen Charlotte's Cottage, a thatched cottage that started life as a menagerie keeper's house. George III's family used it as a rustic retreat for tea on walks. The paddock next to it once held exotic animals, including black swans and England's first kangaroos.


Queen Victoria gave the cottage and its grounds to Kew in 1898. Her condition was that the land be kept in a wild state. That's why the bluebells there still grow like a real wood, under the trees rather than in borders.


Bluebells under tall trees at the edge of a lawn near the Rhododendron Dell at Kew Gardens

The trees above are at the edge of the lawn near the Rhododendron Dell. The Dell began as the Hollow Walk, laid out by Capability Brown in 1773. Its rhododendrons flower in April and May, so a bluebell walk at Kew often comes with a bank of pink and scarlet.


Queen Charlotte's Cottage opens on weekends and bank holidays from 11.30am, depending on volunteers. If you're making a day of it, my post on the Japanese corner of Kew covers the Chokushi-Mon gateway, which is a short walk away.


Can You See Bluebells at Osterley Park?


Yes. Osterley is a National Trust house in Isleworth, remodelled by Robert Adam in the 18th century. The bluebells grow in the grass and under the older trees around the garden and along its woodland walk.


Bluebells spreading under a wide old tree just coming into leaf on the woodland walk at Osterley

In late April the big trees along the walk are only just coming into leaf, so plenty of light still reaches the ground. That's the moment bluebells need, and the tree above is at exactly that stage.


For 2026 the rangers ran free bluebell walks on the Long Walk on Saturday 25 and Sunday 26 April. There were two sessions each day, at 11am and 1pm. The walks took about an hour and covered a mile of mostly flat ground. They were free, though garden admission applied, and no booking was needed.


Tip: the park around the house is free to walk in, and you can see some of the bluebells from there. The garden itself needs a ticket unless you're a National Trust member.


Where Do Bluebells Grow in Epping Forest?


Epping Forest stretches for about 8,000 acres, from Manor Park in east London out to Epping in Essex. It is a Site of Special Scientific Interest and a Special Area of Conservation. The City of London has looked after it since the 1870s.


A dense violet carpet of bluebells either side of a woodland path under young trees in Epping Forest

Bluebells line a path under young trees, and a looser meadow of bluebells and grasses lies further on. Both are the typical Epping picture. The flowers fill the gaps wherever enough light gets through.


The best-known single patch is Chalet Wood in Wanstead Park, which is part of the same City of London estate. Each spring the City asks visitors to keep to the paths there. Its own warning is blunt: one footprint can crush the leaves still forming underground.


Epping Forest's byelaws make it an offence to pick or damage the bluebells. Dogs count too, so keep them on the paths during the season.


Which Other London Woods Have Bluebells?


Highgate Wood, in north London, is 70 acres of ancient woodland run by the City of London. It has a café, toilets and a playground, and Highgate station on the Northern line is five minutes' walk away. Cycling is banned inside to protect the wood.


Sydenham Hill Wood, in south-east London, is the London Wildlife Trust's oldest nature reserve, set up in 1982. It's part of the largest surviving piece of the old Great North Wood. Bluebells come up in spring among Victorian garden ruins and a disused railway tunnel, which is now a registered bat roost.


In Richmond Park, the Isabella Plantation is famous for its azaleas, which peak in late April and early May. The Royal Parks list bluebells among the plants of its woodland floor, alongside wood anemone. Go for the azaleas and count the bluebells as a bonus.


A meadow of bluebells mixed with grasses, with a line of trees behind, in Epping Forest

How Can You Tell a Native Bluebell from a Spanish One?


The native British bluebell is Hyacinthoides non-scripta. The Spanish bluebell, Hyacinthoides hispanica, was brought in by the Victorians as a garden plant and has spread into the wild. The two cross easily, and the hybrids are common in towns.


Here's how the Wildlife Trusts tell them apart. The native has narrow, deep violet-blue bells with tips that curl back. Its flowers hang from one side of a stem that droops at the top. It smells sweet, and the pollen inside is creamy white.


The Spanish bluebell has paler, more open bells, sometimes pink or white. They grow all the way round a stiff, upright stem. It has little or no scent. The pollen is blue or pale green, and the leaves are broader, about 3cm wide against 1 to 1.5cm for the native.


This matters because the Spanish plant is more vigorous and can crowd the native out. A national survey quoted by the Wildlife Trusts found hybrids or Spanish bluebells in one in six broadleaved woods. If you plant bluebells at home, buy native bulbs from a reputable supplier.


Is It Illegal to Pick Bluebells in the UK?


The native bluebell is protected under the Wildlife and Countryside Act 1981. Digging up the plant or its bulbs in the countryside without the landowner's permission is illegal. Landowners can't dig them up to sell either. Since 1998 it has also been an offence to trade in wild bluebell bulbs or seeds.


Picking the flowers does real harm even where it isn't a crime. The National Trust and the Woodland Trust both ask visitors not to do it. Many parks, including Epping Forest, ban it in their byelaws.


The bigger danger is feet. When a bluebell's leaves are crushed, it can't make food, and the bulb weakens. The Woodland Trust says a trampled patch can take years to recover. A colony takes five to seven years to go from seed to flower in the first place. So stay on the path, even for the photo.


Why Are Bluebells a Sign of Ancient Woodland?


Bluebells spread very slowly. They set seed close to the parent plant and build up colonies over decades. So a thick carpet usually means the ground under it has been woodland for a very long time.


Ecologists use them, with other slow plants such as wood anemone, as indicators of ancient woodland. In England that means land that has been wooded continuously since at least 1600. Perivale, Highgate and Sydenham Hill all fit the pattern.


Britain matters for bluebells too. The National Trust says almost half of the world's bluebells grow in the UK. Other estimates give a quarter to a half for Britain and Ireland together.


The curiosities are the best part. The name non-scripta means unlettered. It separates the bluebell from the hyacinth of Greek myth, whose petals were said to carry the letters AI AI, a cry of grief. The sticky sap from the bulbs was once used to glue feathers onto arrows and to bind books. In Elizabethan times the crushed bulbs gave starch for stiffening ruffs.


The bluebell is also popular enough to have been banned from a vote. In 2004 Plantlife left it out of a poll for county flowers because it had won an earlier poll for the nation's favourite flower by a wide margin.


If you'd like to see what the woods look like in motion, my bluebell reel on Instagram is a short walk through the flowers.


Visiting London's Bluebell Woods: Practical Notes


📍 Where: Perivale Wood, Sunley Gardens, UB6 7PE. Kew Gardens, TW9 3AE (Natural Area in the south-west corner). Osterley Park and House, Jersey Road, TW7 4RB. Chalet Wood, Wanstead Park, E11. Highgate Wood, N10. Sydenham Hill Wood, SE26.


📅 Open days: Perivale Wood opens to the public only on its spring open days. For 2026 these were Saturday 18 and Saturday 25 April, booked through Eventbrite. The public woods are open every day.


⏰ Opening: At Osterley in September 2026 the garden was open 10am to 5pm and the park 9am to 5pm. Kew opens at 10am, with closing times changing through the year. Sydenham Hill Wood is open at all times. Check each official site before you go.


🎫 Admission: Perivale Wood open days for 2026: £5.50 adults, £2 children. Kew in September 2026: £25 adult online at peak times, £28 at the gate. Osterley house and garden for 2026: £18 adult, free for National Trust members. Highgate Wood, Epping Forest, Sydenham Hill Wood and Richmond Park are free.


🚇 Getting there: Perivale station (Central line) for Perivale Wood. Kew Gardens station (District line, Overground) for Kew. Osterley station (Piccadilly line), about a mile from the house. Highgate station (Northern line) for Highgate Wood. Forest Hill (Overground) for Sydenham Hill Wood.


🚗 Parking: Osterley charged £7 per car in 2026, free for members and Blue Badge holders. Highgate Wood has no car park, only two Blue Badge spaces by the café. There is free street parking on Crescent Wood Road near Sydenham Hill Wood.


☕ Food: Osterley has a café in the stable courtyard, Highgate Wood has a café with a terrace, and Kew has several.


⏳ How long: An hour or two in any one wood. A half day at Kew or Osterley if you want the house or glasshouses too.


📷 Best time: Mid-April to early May, before the canopy closes. Soft morning or late-afternoon light brings out the violet better than midday sun.


♿ Access: Paths in ancient woods are often rough and muddy. Osterley has a limited number of mobility scooters, Highgate Wood has some tarmac paths, and Sydenham Hill Wood has kissing gates at some entrances.


Which wood do you go back to every spring for bluebells in London, and did I miss your favourite?


_______________________

Did you enjoy this article? If you'd like to contribute to the running costs of WithinLondon, click the button below:


All photos were taken by Ina/WithinLondon, unless stated otherwise.

Comments


bottom of page