as soon as you wet them, easy outside in rich soil with ferocious drainage. Peter (UK) On Mon, Sep 10, 2012 at 7:33 PM, Brian Whyer <brian.whyer@btinternet.com>wrote: I have bought some E. robustus now. When should I plant them; when do the roots form? > > Brian Whyer, Buckinghamshire, England, zone 8'ish >