They look different depending on whether they're annual or perennial too. The annuals are much finer, and often smaller, but as long as you get the flowers off, you'll at least prevent them seeding everywhere. One mature plant can produce around 100,000 seeds.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
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One mature plant can produce around 100,000 seeds.
I live in west central Scotland - not where that photo is...