[the spiv]

got about 15 runners in pots that i buried by the mother plant ,they are still attached by the way . was wandering if it is to late to move the mother and the runners to another bed , thanks mick

[Trillium]

If the runners have rooted in the pots (give it a gentle furtle) then they can be cut off now and moved. The mother plants will have a reasonable root system so you'd need to dig a fair clump of soil around it to move them successfully.