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Japanese knotweed spreads rapidly across Suffolk hotspots

Summarised from 2 outlets · Updated 11 Oct, 17:18 · Archive

Japanese knotweed sightings have risen sharply across Suffolk, with Ipswich reporting 131 sightings within five miles, up from 54 in April.

Japanese knotweed is becoming increasingly widespread across Suffolk, with new data from Environet identifying the county's key hotspots. The invasive species can grow up to four inches a day, forming dense stands that crowd out native plants and cause damage to local ecosystems. It is typically visible between February and November, producing clusters of small white flowers in summer months that make it easier to spot.

Ipswich has recorded the most sightings, with 131 within five miles, a significant increase from 54 in April last year. Lowestoft reported 66 sightings, Beccles 54, Needham Market 54, and Sudbury 47. Stowmarket recorded 49 sightings, Saxmundham and Leiston 40 each, and Woodbridge 36. Smaller numbers were reported in Bury St Edmunds with 19, Bungay with 19, Felixstowe with 21, Haverhill with 15, and Framlingham with nine.

An estimated 5% of UK homes are affected by Japanese knotweed, either on the property itself or on neighbouring land. The species is particularly problematic because it spreads rapidly, can damage properties, and leaves homeowners facing costly repairs.

Japanese knotweed spreads rapidly across Suffolk hotspots
Image: East Anglian Daily Times

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In this story: Ipswich · Suffolk · Lowestoft · Environet

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