Unknown - Tell us
This plant is said to grow outdoors in the following regions:
Huntington, Arkansas
Santa Clara, California
I water it in drought years.
Possible zone 4 hardy, even 3b but needs protection - may be more for the West US than Eastern - possible need dry winters.
Young two foot tall I dug from mountains of central nevada (Alta Toquima range) 5 years ago loving the humidity and summer rain of Nw Ar...Read Morekansas, growing like crazy.
I water it in drought years.
Possible zone 4 hardy, even 3b but needs protection - may be more for the West US than Eastern - possible need dry winters.
Young two foot tall I dug from mountains of central nevada (Alta Toquima range) 5 years ago loving the humidity and summer rain of Nw Ar...Read More