Growli

Plant care

Salvia yangii (Russian sage) care

Salvia yangii

Also called Russian sage, Perovskia.

RHS H5USDA 4-9Mildly toxic to petsIndoor About 90-120 cm tall and 60-90 cm wide (3-4 ft tall

Watering rhythm

10-14days

When top 5 cm of soil is dry, roughly every 10-14 days once established

Light

Direct sun (at least 4-6 hours)

Soil

Lean, gritty, very free-draining soil

Humidity

Ambient outdoor humidity, prefers dry air (20-50%)

Temp

18-30°C in active growth, hardy to about -25°C dormant

Pet safety

Mildly toxic to pets

Mature size

About 90-120 cm tall and 60-90 cm wide (3-4 ft tall

Care at a glance

Light

Most houseplants will scorch where salvia yangii thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Full sun is essential, 6 or more hours daily. It tolerates heat and reflected light; in shade it flops badly and flowers poorly. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for when top 5 cm of soil is dry, roughly every 10-14 days once established for salvia yangii, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Highly drought-tolerant once rooted. Water to establish in the first season, then water rarely; it strongly dislikes wet, heavy soil.

Soil and pot

Salvia yangii grows best in lean, gritty, very free-draining soil. Thrives in poor, dry, alkaline to neutral ground and tolerates sandy or chalky soils. Heavy, wet clay is the main killer; amend generously with grit. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Salvia yangii sits happiest at around Ambient outdoor humidity, prefers dry air (20-50%) humidity and 18-30°C in active growth, hardy to about -25°C dormant (64-86°F in active growth, hardy to about -13°F dormant). A drought-adapted subshrub that favours dry, breezy conditions. High humidity with poor airflow can encourage foliar problems. If you keep the room above 18 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed salvia yangii sparingly. Needs little to no feeding; it performs best in lean soil. An occasional light spring compost topdress is ample, and over-feeding causes weak, floppy stems. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on salvia yangii in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Flopping stemsCommon in shade, rich soil, or after wet spells. Grow in full sun on lean ground and cut back hard in early spring to renew sturdy growth.
  • Root rot in wet soilIts single biggest threat is heavy, waterlogged ground, especially in winter. Plant in very sharply drained soil.
  • Leggy, bare baseOld wood becomes sparse and woody. Prune stems down to 15-20 cm above the base each spring to keep the plant dense.
  • Spreading by suckersEstablished clumps can sucker outward into nearby beds. Lift and remove unwanted suckers in spring to control spread.

Propagation

Take softwood or semi-ripe cuttings in late spring to summer, or detach and replant rooted suckers in spring. Hard spring pruning also keeps the clump compact and productive. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Salvia yangii is mildly toxic to pets. Russian sage (Salvia yangii, formerly Perovskia atriplicifolia) is not individually listed on the ASPCA Toxic and Non-Toxic Plants database, and its former Perovskia genus is not covered by the ASPCA's non-toxic Salvia (sage) entries. While generally regarded as low-risk, treat it as uncertain, keep pets from grazing it, and verify with a vet if ingestion is suspected. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Salvia yangii care — frequently asked questions

What is the common name for Salvia yangii?

Salvia yangii is most commonly called Salvia yangii, but it is also known as Russian sage, Perovskia. The names refer to the same species, so care instructions for Salvia yangii apply identically to anything sold as Russian sage.

How much light does salvia yangii need?

Salvia yangii grows best in direct sun (at least 4-6 hours). Full sun is essential, 6 or more hours daily. It tolerates heat and reflected light; in shade it flops badly and flowers poorly.

How often should I water salvia yangii?

Water salvia yangii when top 5 cm of soil is dry, roughly every 10-14 days once established. Highly drought-tolerant once rooted. Water to establish in the first season, then water rarely; it strongly dislikes wet, heavy soil. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is salvia yangii toxic to cats and dogs?

Salvia yangii is mildly toxic to pets. Russian sage (Salvia yangii, formerly Perovskia atriplicifolia) is not individually listed on the ASPCA Toxic and Non-Toxic Plants database, and its former Perovskia genus is not covered by the ASPCA's non-toxic Salvia (sage) entries. While generally regarded as low-risk, treat it as uncertain, keep pets from grazing it, and verify with a vet if ingestion is suspected.

What USDA hardiness zone does salvia yangii grow in?

Salvia yangii is rated for USDA zone 4-9 and RHS hardiness H5. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Salvia yangii deep-dive guides

Every aspect of salvia yangii care, each with its own calibrated guide:

Featured in these plant shortlists

Salvia yangii qualifies for 4 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Salvia yangii is also commonly called Russian sage or Perovskia.