The plant can quickly take over and outcompete native English blooms.
Vita Molyneux Travel reporter
15:15, 08 Apr 2026
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Gardeners are urged to keep an eye out(Image: Natalia Lebedinskaia via Getty Images)
As temperatures rise and people venture outdoors, specialists are urging gardeners to remain vigilant for an invasive species that is rapidly establishing itself across Britain. Numerous homeowners likely already have this plant thriving in their gardens without realising it, yet if left unchecked, it can devastate native wildflowers.
The culprit is the Spanish bluebell – originally introduced as a decorative garden plant. These vigorous growers now swiftly dominate and overwhelm the native English bluebell, making them one of the most significant threats to our native flowers. This is largely due to their faster growth rate, higher seed production and their tendency to hybridise readily with native plants, generating crossbreeds that overpower the original species.
Chris Bonnett, plant specialist and founder of Gardening Express, warned: “Spanish bluebells can spread more easily than our native species, so gardeners need to be aware of how quickly they can multiply.
“The biggest risk comes from gardens, where they may be planted for their beauty but can spread beyond boundaries through seeds, bulbs and garden waste if left unchecked.”
These plants need to be carefully removed(Image: Getty)
Native bluebells hold protected status and represent an essential component of Britain’s natural heritage, yet once Spanish bluebells escape domestic gardens, they can infiltrate surrounding countryside and woodland areas, placing gardens at the forefront of efforts to safeguard indigenous species, reports the Express.
A considerable number of gardeners are unable to distinguish between the two varieties, meaning they are unknowingly contributing to the introduced species’ proliferation. The two varieties can be distinguished by examining their structural differences. Spanish bluebells stand upright, with blooms distributed along the entire stem, while native English bluebells bend gracefully in a drooping arc
English bluebells have a more drooped appearance(Image: Getty)
There’s also a distinction in hue – the Spanish variants are pale blue or lilac and occasionally display pink or white tones, but the English bluebells showcase a rich, violet shade. Native bluebells also emit a sweet and potent fragrance, but Spanish bluebells possess no aroma.
Spanish bluebells are slightly different to English ones(Image: Getty)
While Spanish bluebells aren’t included on the Government register of invasive species in England and Wales, they’re regarded as invasive in Northern Ireland and the Republic of Ireland. In Scotland, it’s illegal to plant any non-native species in natural environments.
Chris said: “Gardeners play a crucial role in protecting native bluebells. Even a single garden population can establish in surrounding areas within a few years, so early identification and careful management can make a big difference.”
To help prevent the proliferation of these invasive specimens, you must extract them with care.
Make certain you excavate the complete bulb and discard it appropriately – never place them in compost or garden waste. Rather, seal the plants in a bag and deposit them into general rubbish.