Lobelia Siphilitica (Paperback)

High Quality Content by WIKIPEDIA articles! The Great Blue Lobelia (Lobelia siphilitica) is a species within the Campanulaceae family. It is an herbaceous, perennial dicot native to eastern and central Canada and United States. Growing up to a meter tall, it lives in zones 4 to 9 in moist to wet soils. It produces a spike of zygomorphic flowers in the late summer. It blooms from August to October. It is a short lived perennial (with each plant living for only a few years).