Russian Sage
Salvia yangiiUSDA | Grow Zone
5-9Outdoors all year in zones 5 to 9. Anywhere colder, keep it as a houseplant. Protect it below 20°F.
- Light
- Full sun, 6-8 hours
- Water
- Every 1-2 weeks
- Humidity
- Average, prefers dry
- Temperature
- 65-75°F (18-24°C)
- Difficulty
- Beginner
- Growth
- Moderate
- Mature size
- 3-4 ft tall, 2-3 ft wide
- Pets
- Non-toxic to pets
Salvia yangii, commonly known as Russian Sage, is a stunning perennial known for its aromatic foliage and vibrant purple flowers. Native to Central Asia, this drought-tolerant plant is cherished for its resilience and ability to attract pollinators, making it a popular choice for gardens.
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Ideal temperature
65-75°F is where it grows fastest. Below 20°F cold damage starts.
Spacing and harvest
- Mature size
- 3-4 ft tall, 2-3 ft wide
- Plant apart
- 24-36 in
- Frost
- Half hardy: light frost only
Everything it needs
9 essentials at a glance
Watering
Salvia yangii prefers well-drained soil and should be watered deeply but infrequently.
Water every 1-2 weeks during the growing season, allowing the top inch of soil to dry out between waterings. In the winter, reduce watering to once a month. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and browning of leaf edges.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placement is in a southern or western exposure where it can soak up the sun. While it can tolerate some partial shade, too much shade can lead to leggy growth and reduced flowering.
Soil
Salvia yangii prefers sandy or loamy soil with good drainage and a pH range of 6.0 to 7.0.
A recommended potting mix includes a blend of potting soil, sand, and perlite to enhance drainage. Ensure that the pot has drainage holes to prevent water accumulation.
Humidity
This plant does well in average household humidity levels but prefers drier conditions.
To increase humidity, mist the leaves occasionally or place a humidity tray nearby. Signs of humidity stress include browning leaf tips and leaf drop.
Temperature
Salvia yangii thrives in temperatures between 65-75°F (18-24°C) and is hardy in USDA zones 5-9.
It can tolerate heat well but may suffer in extreme cold, so provide protection during frost. In winter, temperatures below 20°F (-6°C) can be damaging.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10, applying it every 4-6 weeks during the growing season.
In fall, reduce fertilization as the plant enters dormancy. Signs of nutrient deficiency include stunted growth and yellowing leaves.
Pruning
Prune Salvia yangii in early spring before new growth begins.
Use sharp, clean pruning shears to remove dead or damaged stems and to shape the plant. Deadheading spent flowers throughout the blooming season encourages more blooms and prevents self-seeding.
Repotting
Repot Salvia yangii every 2-3 years or when it becomes root-bound.
Choose a pot that is 1-2 inches larger in diameter than the current one. Signs it needs repotting include roots growing out of the drainage holes and stunted growth. When repotting, gently loosen the roots and place the plant in fresh potting mix.
Propagation
Propagation can be done through stem cuttings or seeds.
For stem cuttings, take 4-6 inch cuttings in spring, remove lower leaves, and place them in a well-draining potting mix. Keep the soil moist and in a warm location until roots develop, usually in 4-6 weeks. Seeds can be sown in spring after the last frost, lightly covering them with soil.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or poor drainage.
How to fix it
Ensure the soil dries out between waterings and check for drainage issues.
Wilting
Why it happens
Under-watering or extreme heat.
How to fix it
Water the plant thoroughly and ensure it is not exposed to excessive heat without adequate moisture.
Leggy growth
Why it happens
Insufficient light.
How to fix it
Move the plant to a sunnier location to encourage compact growth.
Root rot
Why it happens
Over-watering and poor drainage.
How to fix it
Reduce watering frequency and improve soil drainage; consider repotting if necessary.
Powdery mildew
Why it happens
High humidity and poor air circulation.
How to fix it
Increase air circulation around the plant and avoid overhead watering.
Care through the year
Spring
In spring, prune back any dead stems and apply a balanced fertilizer to encourage new growth. Ensure adequate watering as the plant begins to wake up.
Summer
During summer, water regularly but allow the soil to dry out between waterings. Deadhead spent flowers to promote continuous blooming.
Fall
In fall, reduce watering as the plant prepares for dormancy. Cut back spent blooms and consider applying a layer of mulch to protect the roots during winter.
Winter
In winter, limit watering to once a month and protect the plant from frost. If grown in pots, consider moving them indoors or to a sheltered location.
Toxicity & Safety
Salvia yangii is considered non-toxic to pets and children. However, ingestion of large quantities may cause mild stomach upset. Always monitor pets around plants.
Good to know
How often should I water my Russian Sage?
Water your Russian Sage every 1-2 weeks, allowing the top inch of soil to dry out between waterings. Adjust frequency based on weather conditions.
What type of soil is best for Salvia yangii?
Salvia yangii prefers sandy or loamy soil with good drainage and a pH of 6.0 to 7.0. A mix of potting soil, sand, and perlite works well.
Can I grow Russian Sage in partial shade?
While Russian Sage can tolerate some partial shade, it thrives best in full sun with at least 6-8 hours of direct sunlight each day for optimal growth.
When should I prune my Salvia yangii?
Prune your Russian Sage in early spring before new growth appears. Remove dead or damaged stems and deadhead spent flowers throughout the blooming season.
Is Russian Sage toxic to pets?
No, Salvia yangii is considered non-toxic to pets and children, making it a safe choice for households with animals.
How can I propagate Russian Sage?
You can propagate Russian Sage through stem cuttings or seeds. Stem cuttings should be taken in spring, while seeds can be sown after the last frost.
What are the signs of nutrient deficiency in Salvia yangii?
Signs of nutrient deficiency include stunted growth and yellowing leaves. Regular fertilization during the growing season can help prevent this.
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