Warning Japanese knotweed growing season starts May 2023.
Japanese knotweed growing season
The growing season usually kicks off in May and lasts until October before it withers. There is some variance due to climates being different across the country.
How can we help you?
If you believe you have invasive species on your property or next development, call us today on 0121 356 4360 to book a survey or ask for advice on best practice and recommendations.