One of our Councillors has just made me aware of some changes to the green waste collection service from SBC. The links are here just in case you experience any collection issues.
https://www.swindon.gov.uk/info/20015/bins_rubbish_and_recycling/494/rubbish_and_recycling_guide/4

https://www.swindon.gov.uk/info/20015/bins_rubbish_and_recycling/444/subscribe_for_green_garden_waste_collections