Is this the world's greatest gate? The Gate Appreciation Society thinks so Art and design The Guardian Cocktail Plant Philodendron Giganteum Hosta Hosta 'Fire and Ice' Fire and Ice Hosta from Greenleaf Nursery Growing Mango from Seed tales of a plant geek Sequoia National Park is home to the largest trees on Earth. Some of these giants were already standing before the Roman Empire rose, surviving thousands of years of fires, storms, and snow.