Of all the thousands of flowers in the world, one is almost universally recognizable: the sunflower (Helianthus annuus). With towering stems, bright yellow petals, and yummy seeds, sunflowers are a ...

One of southern California’s oldest giant sequoias holds more leaves than there are people in China. It has stood since there were fewer people on Earth than live in modern Japan—more than 3,000 years ...

Growing giant sunflowers isn't just about picking a big variety, you also need to think carefully about placement, irrigation, feeding, and more.