Full Sun
Moderate watering
Frost Hardy
8a
USDA zone
-12°C
Minimum temperature
Expected size
Height | Spread | |
|---|---|---|
Max | ||
Min |
Flowering
spring
summer
autumn
winter
More images of False alum root
False alum root Overview
There is only one species in this genera - T. grandiflora or the fringe cup, but there are many varieties and cultivars of this herbaceous perennial, popular as garden plants for their clumps of lobed leaves in various colours and dainty erect flower stems. The species is native to Northwest USA and Canada but has naturalised in countries where it is gown as a garden specimen. It prefers shade but is tolerant of most conditions.
Common problems with False alum root
How to propagate False alum root
Division
Propagation is by division in the spring.
Seed
Seed in the autumn.
Other uses of False alum root
Makes good ground cover and is ideal for cool, semi-shaded woodland gardens and under shrubs in sunny borders.