Q.Growing Russian sage with other plants
Will Russian sage grow if planted with pachysandra and vinca?

Russian sage likes sun, more sun than pachysandra and vinca. If in enough sun for good bloom on the russian sage, you may have sun burn, browning of the edges, on pachy leaves. In time, vinca will climb the russian sage which will affect that plants photosynthesis unless you prune it away. All three are well known for enlarging and not staying put. Vinca, in particular, is hard to get rid of once it is established