Crochet - Granny Spike Stitch - leaves fewer gaps, because the second double crochet is crochet through the top of the second double crochet of the row below. Possibly use a dc,tc, dc pattern in the clusters? From Do It Darling.
I have tons of teacups I couldn't sell at the last yard sale I could do this for. How to Make Teacup Candles - Perfect for Mother's Day - so simple and easy to make - TONS of Pictures and How To Do Video in Post