Do I need to deadhead?

Yes, cutting back spent spikes helps the plant look tidy and promotes reblooming.

How often should I water?

Water deeply when the top inch of soil is dry, but avoid soggy roots.

Plant guide

Woodland sage.

Salvia nemorosa

Pronounced SAL-vee-uh nem-oh-ROH-suh

Also known as Balkan Clary, wood sage, woodland sage

Woodland sage is a hardy perennial that brings beautiful spikes of violet flowers to your garden. It is a favorite for pollinators and looks great in borders. You will love how tough and reliable this plant is throughout the summer.

At a glance

Care level: Easy
Plant type: Perennial
Light: Full sun
Indoor light: Direct sun
Water: Every 7 to 14 days
Mature size: 1 to 3 feet
Growth rate: Medium
Hardiness: USDA 4 to 8
Bloom time: Early to late summer

Care

Plant this sage in a spot with plenty of sun and well draining soil to keep it happy. Watch for powdery mildew if the air circulation is poor during humid spells. Deadheading spent flower spikes often encourages a second flush of blooms.

Watering: Water deeply once established, but allow the top inch of soil to dry out between waterings.
Feeding: Apply a balanced slow release fertilizer in early spring as new growth begins.
Pruning: Cut back the stems by half after the first bloom to promote a tidy shape and potential reblooming.
Repotting: Divide the clumps every few years to maintain plant vigor and prevent overcrowding.
Soil: Well draining, sandy or loamy soil
Soil pH: Neutral to slightly alkaline
Temperature: -25 to 35°C
Humidity: 30 to 60%
Drought tolerance: High
Lifespan: Perennial, typically 5 to 10 years.
Fragrance: Light
Deer and rabbits: High

Signs it needs repotting

Roots growing out of the drainage holes.
Water running straight through the pot.
Stunted growth during the active season.

Safety

People: It is generally considered non-toxic to humans.
Pets: This plant is generally considered non toxic to cats and dogs.
Children: It is safe for children, though the stems can be slightly rough.
Contact allergens: The foliage can cause mild skin irritation in sensitive individuals due to essential oils.
Airborne allergens: The pollen may trigger mild reactions in those with severe seasonal allergies.
Edibility: While some salvias are culinary, this species is primarily ornamental and not typically consumed.

How to identify it

Spikes of violet or blue flowers
Wrinkled lance shaped green leaves
Square stems typical of mint family
Aromatic foliage when crushed

Height: 0.3 to 0.9m
Spread: 0.3 to 0.6m
Leaves: green, gray-green, deciduous
Flowers: purple, violet, blue, white, 1 to 2cm

Problems to watch for

Powdery mildew · White fungal growth on leaves caused by poor air circulation or high humidity.
Slugs · They may feed on young foliage during wet spring weather.

By symptom

Plant problems by symptom

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Growing it

Propagation: division, cuttings, seed
When to plant: spring, autumn
Overwintering: Cut the foliage back to the ground in late autumn or early spring. A light mulch helps protect the crown in colder regions.
In containers: It grows well in containers at least 30 cm wide with excellent drainage.

Division

1. Dig up the clump in early spring.
2. Use a sharp spade to divide the root ball into smaller sections.
3. Replant immediately in well draining soil.

Pair with plants that have contrasting textures like grasses to make the vertical spikes pop.

Grows well with

Coneflower · They share similar sun and water needs while providing a nice color contrast.
Catmint · The soft foliage of catmint complements the upright spikes of the salvia.
Yarrow · Both plants are drought tolerant and love the same sunny spots.

Similar species

Meadow Sage · It is a larger cousin with similar flower habits.
Woodland Sage · Often confused with nemorosa, it shares the same general appearance and needs.

Science

Family: Lamiaceae
Genus: Salvia
Order: Lamiales
Class: Magnoliopsida
Native range: Central and Southern Europe to Western Asia.
Conservation: Not of conservation concern.

It thrives in open, sunny meadows where it competes well with grasses.

Value to wildlife: nectar source, pollinator magnet
Pollinators: bees, butterflies, moths
Uses: pollinator gardens, borders, cut flowers, mass planting

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 6/9
Light: 8/9
Temperature: 5/9
Moisture: 4/9
Nutrients: 5/9

Taxonomy resolved against GBIF.

Questions people ask

Do I need to deadhead?: Yes, cutting back spent spikes helps the plant look tidy and promotes reblooming.
How often should I water?: Water deeply when the top inch of soil is dry, but avoid soggy roots.

Where the name comes from

Salvia comes from the Latin salvere, meaning to save or heal, while nemorosa refers to its woodland origins.

Good to know

The name nemorosa means growing in groves or woods.
Cutting back the stems after the first flush often encourages a second bloom.
It is incredibly drought tolerant once established.
The colorful bracts below each flower stay on the spike after the flowers drop, keeping the color going longer.

Also in

Keep your woodland sage growing

This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

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This guide was generated with AI on October 19, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.