Lastly, you can seek out perennial sunflower breeds like the Maximillian which bloom in the late summer to early fall.

testing between 250 and 280 genotypes for their ability to absorb zinc and copper, common elements found in fertilizers, pollution and runoff. Her goal is to find the best sunflower breed to use in ...

Birch Aquarium in San Diego has three male and one female sunflower stars. In February, the lab was able to breed two of the ...