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russian sage care

Author

Sarah Parker

Updated on June 30, 2026

Is it best to cut Russian sage back in fall or spring? Wait until late winter or early spring to cut back Russian sage, butterfly bush and pest-free perennials. Research has found letting these plants stand for winter increases their hardiness.

Does Russian sage need to be cut back every year?

Spring and summer care for Russian 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 growth.

Should you deadhead Russian sage?

Trimming & Pruning: Deadheading will not affect bloom time for Russian sage, however it should be cut back each year in early spring to approximately 12-15” above the ground. In the winter landscape it is a visual bonus, offering a ghostly, airy appearance on frosty mornings.

Why is my Russian sage falling over?

Russian sage can flop in mid-season, once it has attained the bulk of its normal height. Partial sun conditions can cause the plant to “stretch” a bit, looking for the sun. Such excessive growth can cause the stems to become top-heavy, and then flop. The plants like a full day of sun when they can get it.

How often should I water Russian sage?

Watering. Newly planted Russian sage plants need to be watered about once a week until the soil is moist to a depth of about 1 inch. When the plants are established — typically after a year in their new location — watering only needs to be done in cases of extended drought.

Is Russian sage invasive?

Russian sageshould be very near the top of that list for all that it adds to the landscape – color, texture, pollinators and presence. Though it isn’t a native plant, it is not invasive and will stay where you plant it for many years – as long as you give it the well-drained conditions it needs.

What is Russian sage good for?

Russian Sage

Steep sage leaves in hot water for 15-30 minutes to create a medicinal tea that can help relieve stomach pain and indigestion. Tea made from Russian sage can also help break a fever. Herbalists recommend letting the tea cool, then soaking it up with a towel and using it as a compress for the forehead.

Which is better Russian sage or lavender?

Also, lavender leaves are juicier than Russian sage and very fragrant if crushed. Russian sage leaves are also fragrant but still not as intense as lavender. Because of the leaves, which contain a lot of essential oil, lavender is highly prized.

Do hummingbirds like Russian sage?

Whether the calendar says summer or fall, flowers such as Russian sage, bee balm and sunflowers will attract butterflies and hummingbirds until the first frost—and sometimes beyond. It’s important to keep flowers blooming as long as possible to help butterflies and hummingbirds later in the season.

Does Russian sage bloom all summer?

Russian sage, or Perovskia, is a late summer blooming perennial that bursts into flower like a cloud of blue. It goes from a hazy, pale blue to a jubilant azure. The long panicles of flowers become increasingly brilliant as they open. Russian sage is a woody subshrub.

What is the lifespan of Russian sage?

Russian Sage loves to live in well-drained soil and does not handle humidity very well. It must be pruned about a month after planting if starting with a mature plant and can live for three years, though its purple blooming buds that resemble the well-known Lavender plant only last about four total months.

Can you divide Russian sage?

Lift the clump of Russian sage from the ground, and shake the plant gently to remove excess soil. Divide the clump into smaller sections, teasing the roots apart carefully with your fingers. Each division should be large enough to have four or five shoots, and each shoot should have several healthy roots.

When should you cut back sage?

Early spring is a good time to cut back sage. If the leaves are cut before winter, the plant might have difficulty to get through the winter time. Now, in February, the shoots can be cut back to about 5 cm. After pruning, when the weather improves, the sage will get new sprouts and grow bushier.

How do I make Russian sage thicker?

Method 1: Cut it down to the ground – If your Russian sage is really woody and hasn’t been pruned before, then you might want to try cutting it all the way down to the ground. This will rejuvenate the plant so it will grow fuller and bushier.

How do you keep Russian sage under control?

How to Get Rid of a Russian Sage
Overwater your Russian sage plant to induce bad health and root rot. Cut the plant down to the stump to simply dig it out of the ground. Treat the plant with an herbicide to kill it, using a product that contains prodiamine.