Eastcote Horticultural Society
Website: http://www.succulent-plant.com/eastcote/index.html
Friends of Pinner Village Gardens
FaceBook https://en-gb.facebook.com/friendsofpinnervillagegardens/
Website: http://www.friendsofpvg.org.uk
Email: Friendsofpinnervillagegardens@gmail.com
Friends of Roxbourne Park
Facebook: https://www.facebook.com/FriendsofRoxbournePark/
Website: http://friendsofroxbourne.wixsite.com/park
Hatch End Horticultural Society
Website: http://hehs.co.uk/
Pinner Horticultural Society
Phone: 020 8868 2545
Ruislip Central Horticultural Society
Website: www.ruisliphorticultural.org.uk
Streamside Horticultural Association (February to end October)
Email: streamsideinfo@gmail.com.
Website: www.hahf.org.uk/Streamside