Printed at http://www.greenleafnursery.com/index.cfm/

 

Double Red Althea

Hibiscus syriacus 'Amplissimus'

A medium size, upright-growing, slender, well-branched shrub that grows 8 to 10 feet tall and 4 to 6 feet wide with bright green serrated leaves. It is easily grown, tolerating a wide range of soil and moisture conditions. It produces an abundance of red blossoms in late summer.

USDA Z5 - Cold Hardy -20 to -10F
USDA Z5 - Cold Hardy -20 to -10F