Bryophytes: Closest Living Relatives of Early Land Plants Field Museum 20 Impressive Ways To Frame Your Front Door With Planters Shelterness How to grow Erigeron Hayloft 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.