A tiny, woolly flower found hiding in Texas’s Big Bend National Park shows the intriguing strangeness of sunflowers ...

Sunflowers (Helianthus annuus) aren't just beautiful in the garden ... Try to cut stems at an angle when harvesting and remove any unnecessary leaves from the lower stem, so they aren't submerged ...

For edible sunflower seeds, you need to grow the annual variety (Helianthus annuus). "You must harvest the flowers after the leaves shrivel, but before the seasonal rains," Wasser says.