john gault
Green Thumb
Posts: 461
Joined: Sun Jul 10, 2011 4:53 pm
Location: Atlantic Beach, Fl. (USDA Hardiness Zone 9a)

Cosmos invasion!,?

I planted several flower plants this year, Cosmos being one of them (don't know which variety -- but they all had orange flowers). They've all pretty much died, but I got these little plants coming up all over the place and I swear they look like little cosmos plants. I'll try and upload a pic later. The only reason I'm posting this is because I can't believe how many of these things are coming up -- they're all over the place :!:

BTW, mine looked exactly like this https://en.wikipedia.org/wiki/File:Cosmos_flower_(species_unknown).JPG

CharlieBear
Green Thumb
Posts: 588
Joined: Thu Jul 14, 2011 5:19 pm
Location: Pacific NW

Yes, some flowers can seed profusely. the first year I planted cosmos and several other annuals quite a while ago, the next year they came up 6-8 times as thick as the first planting, so it can happen. It is simply a matter of how many viable seeds fall to the ground during the growing season. That is one of the reasons I now rigorously dead head flowers during the growing season, not just to extend the bloom time.



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