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Wild clary

Salvia verbenaca · Lamiaceae

The gardener's calendar

The right move for September

Ideal time to plant wild clary: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Foliage
Semi-evergreen to deciduous depending on climate
Flowering
Spring to summer (April to August)
Mature size
16 to 24 inches tall, 12 to 16 inches wide
Growth
Moderate to fast
Hardiness
Hardy down to 5°F (-15°C)
Origin
Mediterranean Basin and Southern Europe
Soil type
Well-draining, chalky, poor to moderate

Care

Watering

Water regularly for the first few weeks after planting to establish a strong root system. Once established, vervain sage tolerates drought well and needs little watering. In summer, water only during prolonged dry periods. Avoid standing water, which promotes rot.

Light Exposure

Place the plant in full sun (at least 6 to 8 hours daily) to optimize flowering and leaf flavor. It tolerates partial shade, but with less abundant blooms. Good light also strengthens its resistance to disease.

Pruning and Harvesting

Cut the plant back by half in spring to encourage compact, bushy growth. Pinch off the tips during the season to stimulate branching. Regularly harvest flowers and leaves to encourage production. Clean up dead or diseased parts in autumn.

Soil

Prepare well-draining soil, even poor or rocky, as vervain sage prefers dry conditions. Enrich moderately with compost at planting time if the soil is very compacted. Avoid heavy, wet soils that promote root rot.

Fertilizing

Moderate feeding is sufficient: a single application of balanced fertilizer in spring. Too much nitrogen produces abundant foliage at the expense of flowering. For container growing, light feeding every 4 to 6 weeks is appropriate.

Diseases and Pests

Generally hardy, vervain sage fears powdery mildew in excessive humidity and poor air circulation. Pests (spider mites, whiteflies) may appear indoors. Prevent by ensuring good air circulation and reducing leaf watering. Inspect regularly and remove affected parts.

Did you know?

Vervain sage was traditionally used in herbal medicine for its supposed calming and tonic properties, particularly in medieval European medicine. Its name "verbenaca" highlights its connection to vervain, two herbs often confused or associated in folk uses. It remains a valuable nectar plant for pollinators and an ingredient in traditional herbal teas of southern France.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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