not really, unless you want to make the grass one blade at a time with a small round tip..however you might check your local grocery store in the cake mix aisle....sometimes betty crocker will have those plastic tips that come 4 in a pack for like .79 and around easter I notice my stores have the grass tip included in those sets.
I don't know what stores you have, but that tip is usually stocked at the craft stores. Ok sometimes I get really wacky ideas, but maybe this is worth a shot. Try to make your own tip by putting three or four pieces of foil together for strength, then wrapping it around the end of a tip coupler and poking 10-15 holes in it with a toothpick? Poke the holes from the inside so the icing won't get suck, then gently slide the foil off the end of the coupler, but the coupler in a bag and fill it, then hold the foil on the outside of it? LOL my husband is laughing so hard at me right now! Now I want to try and see if that works. Good luck!
If you cannot find the grass tip use a small #1 tip and pipe LOTS of little strings to look like grass. It will take a while but it can hold you over until you get a grass tip. Good luck! 
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