When should I prune it?

Cut it back hard in late winter or early spring before new growth begins.

Does it need fertilizer?

It prefers lean soil and rarely needs supplemental feeding.

Plant guide

Mexican bush sage.

Salvia leucantha

Pronounced SAL-vee-uh loo-KAN-thuh

Also known as Curacao Sage, Mexican bush sage, mexican-bush-sage

Mexican Bush Sage — Photo by Irene Aconcha Abril (CC BY) via iNaturalist

This stunning perennial is a favorite for its velvety, purple flower spikes that bloom in late summer and fall. It is a drought tolerant plant that loves the sun and adds a wonderful texture to any garden. You will love how it attracts bees and butterflies to your outdoor space.

Another photo of Mexican bush sage — Photo by Frank Thomas Sautter (CC0) via gbif

At a glance

Care level: Easy
Plant type: Perennial shrub
Light: Full sun
Indoor light: Direct sun
Water: Every 7 to 14 days
Mature size: 3 to 4 feet tall
Growth rate: Fast
Hardiness: USDA 8 to 11
Bloom time: Late summer to late autumn

Care

Plant this sage in well draining soil to prevent root rot. Watch for yellowing leaves, which often signal that the plant is getting too much water. Cut it back hard in late winter or early spring, once the danger of frost has passed, to encourage healthy growth for the next season.

Watering: Water deeply once the top few inches of soil feel dry to the touch.
Feeding: Apply a balanced liquid fertilizer during the active growing season.
Pruning: Cut the plant back hard in late winter or early spring to keep it tidy.
Repotting: Repot only if the plant becomes root bound in its container.
Soil: Well draining sandy or loamy soil
Soil pH: 6.0 to 7.5
Temperature: -4 to 35°C
Humidity: 40 to 60%
Drought tolerance: High
Lifespan: Perennial, typically 5 to 10 years.
Deer and rabbits: High

Signs it needs repotting

Roots growing out of the drainage holes
Water running straight through the pot without soaking in

Safety

People: It is generally considered non-toxic to humans.
Pets: This plant is generally considered non toxic to cats and dogs.
Children: The stems are somewhat brittle and may break if handled roughly by small children.
Contact allergens: The fine hairs on the foliage and stems can cause mild skin irritation in sensitive individuals.
Airborne allergens: The pollen may trigger mild reactions in those with severe seasonal allergies.
Edibility: This plant is not intended for human consumption.

How to identify it

Velvety purple flower spikes
Narrow lance shaped green leaves
White woolly hairs on stems
Arching habit of growth

Height: 0.9 to 1.2m
Spread: 0.9 to 1.5m
Leaves: green, gray-green, semi-evergreen
Flowers: purple, white, 1 to 2cm

Problems to watch for

Root rot · Occurs when the soil stays too wet for too long.
Whiteflies · Small insects that congregate on the undersides of leaves.

By symptom

Plant problems by symptom

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Growing it

Propagation: cuttings, division
When to plant: spring, early autumn
Overwintering: In colder climates, apply a thick layer of mulch around the base to protect the roots from freezing. If the plant dies back to the ground, wait until the danger of frost has passed to prune away the dead stems.
In containers: It grows well in large containers of at least 40 liters to accommodate its wide root system.

Stem Cuttings

Take a 10 cm cutting from a non-flowering stem.
Remove the lower leaves, leaving only a few at the top.
Place the cutting in moist, well-draining potting mix.
Keep in bright, indirect light until roots form.

Pair this sage with other sun-loving, drought-tolerant perennials to create a low-maintenance, water-wise garden bed.

Grows well with

Lantana · They share similar water and light requirements while providing a nice color contrast.
Russian Sage · Both plants thrive in full sun and dry conditions.

Similar species

Autumn Sage · A smaller, woody shrub that also attracts hummingbirds.
Mealycup Sage · Offers a similar spike-like flower habit but with a more compact growth form.

Science

Family: Lamiaceae
Genus: Salvia
Order: Lamiales
Class: Magnoliopsida
Native range: Subtropical and tropical regions of Mexico.
Conservation: This plant is not currently listed as endangered or threatened.

It grows in dry, open habitats where its drought tolerance allows it to persist through long dry seasons.

Value to wildlife: nectar source
Pollinators: bees, butterflies, hummingbirds
Uses: ornamental border, pollinator garden, cut flowers, xeriscaping

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 6/9
Light: 8/9
Temperature: 7/9
Moisture: 3/9
Nutrients: 3/9

Taxonomy resolved against GBIF.

Questions people ask

When should I prune it?: Cut it back hard in late winter or early spring before new growth begins.
Does it need fertilizer?: It prefers lean soil and rarely needs supplemental feeding.

Where the name comes from

The name Salvia comes from the Latin word for to save, referring to the historical medicinal use of some species, while leucantha means white-flowered.

Good to know

It is commonly known as Mexican bush sage.
The flowers are technically small, but the colorful calyxes provide the showy display.
It thrives in poor soil conditions where many other plants struggle.
The plant is highly drought tolerant once established in the garden.

Also in

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This guide was generated with AI on October 28, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.