Question: Help straggly petunias to grow new lush flowers.
Option 0: Petunias will get long and straggly and stop producing flowers unless you cut the roots back about one third, about once a month. This will generate lush new growth all summer long.
Option 1: Petunias will get long and straggly and stop producing flowers unless you cut the foliage back about one third, about once a month. This will generate lush new flowers all summer long.
Answer: 1