Griffinia is a fascinating genus of bulbous plants in the Amaryllidaceae family, native to the tropical forests of Brazil. Known for their elegant, lily like flowers in shades of blue, lavender, or We plant our celeriac into soft, rich soil in early May. But they take eight weeks to reach transplantable size, so we seed them in early March in our heated germination house. China is a world leader when it comes to investment in renewable energy, but it is still opening new coal plants. Where Did Plants Come From? This Ancient Algae Offers Clues WIRED Planting green' cover crop strategy may help farmers deal with wet springs Penn State University