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Salvia lavandulacea

Salvia lavandulacea · Lamiaceae

The gardener's calendar

The right move for September

In autumn, ease off feeding and take the chance to clean up around salvia lavandulacea and prepare for winter.

JFMAMJJASOND Planting

ID card

Foliage
Evergreen
Flowering
Spring to early summer (April to June)
Mature size
24 to 36 inches tall × 24 to 32 inches wide
Growth
Moderate
Hardiness
Hardy to approximately -15°C
Exposure
Full sun
Origin
California (United States)
Soil type
Well-drained, dry to moderately fertile

Expert tips

≈ Generated, to verify

The key tip

This hybrid sage loves dry conditions and sun. Plant it in light, well-drained soil, without excess water or fertilizer. Abundant flowering from June to October under ideal conditions.

The common mistake

It's often grown too generously with water and compost. It then becomes leggy, poorly flowered, and susceptible to fungal diseases.

The pro's trick

Cut it back hard at the end of February (to 20 cm from the ground). It regrows compact and bushy, with hundreds of tiny flowers all summer.

Seasonal watch

In very dry summers, watch for spider mites on the leaves. Light mulch protects it, but be careful: keep it away from the stem (risk of collar rot).

Care

Exposure

Plant this sage in full sun, ideally 6 to 8 hours per day minimum. It tolerates shade or partial shade very poorly, becoming leggy and flowering sparsely. Ensure good air circulation to prevent stagnant moisture.

Watering

Water regularly after planting to establish a root system, then gradually reduce. Once established, this sage is very drought-tolerant and prefers dry to moderately moist soil. Reduce watering in winter or during prolonged rainy periods.

Soil and drainage

Choose well-drained soil, even chalky or poor in organic matter. Adding gravel or sand improves drainage if your soil is heavy or clayey. Avoid stagnant water at all costs, as it causes root rot.

Pruning and maintenance

Cut back lightly after flowering (late June) to maintain a compact shape and encourage branching. Remove dead or damaged wood in late winter. Avoid severe pruning that would weaken the plant.

Fertilizing

This sage is undemanding and doesn't require regular fertilizer applications. A light application of balanced fertilizer in spring is sufficient. Excessive fertilization promotes foliage growth at the expense of flowering.

Pests and diseases

Generally hardy against pests, it may occasionally suffer from rot if drainage is insufficient. Powdery mildew rarely appears in dry climates. Check for absence of excessive moisture to prevent any fungal issues.

Did you know?

Salvia lavandulacea owes its epithet 'lavandulacea' to its finely toothed and aromatic leaves that resemble those of lavender, although it is a true sage. Native to California, this species has long been prized by Mediterranean gardeners for its silvery-gray foliage and mauve flowers that are highly attractive to bees and hummingbirds.

Where to buy it

Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.

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Tips generated and checked by Viridia — adapt them to your local climate.