I spent quite some time searching for similar products, but almost everyone is doing tufts nowadays.
The best replacement I settled for was from a company called Mininatur.
http://www.greatescapegames.co.uk/basing-materials/mininatur-home-1/tufts.html
They do a selection of Tufts with Blossom that comes in two-tone sheets; but it's more along the lines of two colours gradually meeting in the middle, as well as two-toned tufts aimed towards a specific season.
They also do a selection of strips, approx 1cm wide, you could tear bits off to get a more natural look.
Maybe worth seeing if there is a stockist near yourself as I doubt a small store in the
UK is convenient.
Otherwise searching through reems of scenic products for model railways, but it felt like my soul was being slowly extracted through my backside by the 5th online-store.
Goodluck bud!