“More than Weeds” has inspired or been inspired by similar initiatives in countries around the world. Have a look here, and let me know if you know of other projects spreading the love for “weeds”…
Canada
France
#sauvagesdemarue Sauvages de ma rue: https://www.tela-botanica.org/projets/sauvages-de-ma-rue/
Germany
#Krautschau and #MehrAlsUnkraut
Luxembourg

Netherlands
#Stoepplantjes : https://www.hortusleiden.nl/onderwijs/stoepplantjes-1
Spain
#NoSonMalasHierbas, #MasQueHierbas https://twitter.com/PlantasDeAcera