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Germander speedwell

Veronica teucrium · Plantaginaceae

The gardener's calendar

The right move for September

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

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ID card

Foliage
Deciduous
Flowering
May to July, blue to violet flowers
Mature size
30 to 50 cm tall, 40 cm spread
Growth
Fast
Hardiness
Very hardy, down to -15°C
Origin
Central and southern Europe
Soil type
Well-draining, tolerates limestone

Care

Sunlight

Plant your germander speedwell in full sun for optimal flowering. It tolerates partial shade but will flower less abundantly. Avoid areas that are too wet and shaded, as these encourage fungal diseases.

Watering

Water regularly when planting and during the first year. Once established, the plant is quite drought-resistant. Let the soil dry out between waterings; excess moisture is more damaging than drought.

Pruning and Maintenance

Prune lightly after flowering to maintain a compact shape and encourage dense branching. In late winter or early spring, you can cut back the stems to rejuvenate the plant.

Soil and Planting

Choose light, well-draining, fertile soil. Germander speedwell tolerates chalky and poor soils. Improve drainage with sand or gravel if your soil is too heavy.

Fertilizer

A balanced fertilizer application in spring is sufficient. Avoid excess nitrogen, which would stimulate foliage at the expense of flowers. An established plant generally doesn't need it.

Diseases and Pests

Germander speedwell is generally robust. In poorly drained soils or very humid climates, watch for powdery mildew and root rot. Promote air circulation through regular pruning and avoid watering the foliage.

Did you know?

The name 'veronica' is said to derive from the Latin 'vera icon' (true image), referring to a Christian legend. This plant was once used in traditional European herbal medicine for its tonic properties. The small blue-violet flowers attract bees and butterflies, making it an excellent companion for pollinator gardens.

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.