Alice Vonk (1908–1997) was an American floriculturist. She received the $10,000 prize for creating the whitest marigold in David Burpee's seed challenge. The competition was run by Burpee's seed company, W. Atlee Burpee & Co, founded by his father Washington Atlee Burpee. The $10,000 prize makes her flower the costliest marigold in the world, and the costliest flower in the world at the time. Alice Vonk, born in 1908, had been gardening since she was 11 and had no formal science training.