Cut your Russian sage back to about 4 inches above the ground. If your plants tend to flop during the summer you can cut them a second time. Prune the plants back halfway once they reach 12 inches. Those considering adding Russian sage to their gardens may want to try Little Spires, a shorter (four foot tall) cultivar that is less prone to bushlop.buzzg: Burlington MA. Apr 17, Cut all the stems to the ground. This is my favorite option for mature Russian sage plants located at elevations under 7, feet.
It helps keep the plant fresh-looking and clean, since all the old growth is removed. If the stems are left intact for years, they become grey, old, overly woody and ultimately bushlop.buzzg: Burlington MA.
How to Prune Russian Sage. With its lavish spray of silvery-green foliage against pale gray to white upright stems, Russian sage (Perovskia atriplicifolia) adds a Missing: Burlington MA. Pruning: Cut the woody plant stems down to about 6 inches in early spring to make way for new growth. You can also do a light pruning in early summer if you want to reduce the height and make plants look fuller. For winter interest, leave the seedheads and silvery stems in Missing: Burlington MA.
Aug 09, Russian Sage Plant Description. Russian sage belongs to a class of shrubs called subshrubs. New growth comes each year from a woody base, and flowering is on the new growth.
Remove the old growth Missing: Burlington MA. Jun 13, Spring and summer care for 1803 Burlington MA sage consists mainly of pruning. When new spring growth emerges, cut the old stems back to just above the lowest set of leaves. If the plant begins to spread open or sprawl in late spring or summer, shear off the top one-third of the stems to encourage upright bushlop.buzzg: Burlington MA.