Growing from seed dispersed by natural agency such as wind or birds(adjective)
WordNet. Princeton University. 2010.
Use "self-seeded" in a sentence
"Which is ironic — and frustrating — because it has self-seeded at Sugar Creek Gardens and is growing along the foundation of the gift shop."
"Hubbard points out a pleasing color combination, the blue of the fading lavender next to the red blades of Japanese blood grass and the mustard-yellow umbels of the self-seeded fennel."
"Another 20 per cent of the self-seeded sunflowers, leaving at least 16 large plants, more than enough for a small plot."