https://pfaf.org/user/Plant.aspx?LatinName=Distichlis+palmeri
Distichlis palmeri is a PERENNIAL growing to 0.4 m (1ft 4in) by 0.2 m (0ft 8in) at a fast rate. See above for USDA hardiness. It is hardy to UK zone 10....
distichlis palmeriwild wheatnipasaltgrassnypa
https://www.tesco.com/groceries/en-GB/products/330712786?seller=trn:tesco:seller:uuid:64c3e250-9ce1-4f8b-a1ed-59e20dab6056
Copdock Mill Wild Bird Mix Wheat Free 12.75kg
wild birdwheat freecopdockmillmix