Brugmansia seed germination takes from one week to two months. Chances of germination increase when seed is soaked for up to two days in room-temperature water changed each day. Peeling the seed's outer coat also speeds germination, as will air temperatures between 68 and 75 degrees Fahrenheit.
About this Author
A freelance writer, Judy Wolfe has owned Prose for the Pros, a freelance writing business, since 2006. She's been an inveterate traveler since 1961 and draws on her travel experiences to provide articles for such websites as Chincoteague Island Vacations and Berlin Dude. Wolfe holds a Bachelor of Arts in literature from California State University at Pomona.