Veronica serpyllifolia – Thyme-leaved Speedwell

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Scientific Name

Veronica serpyllifolia L.

Common Names

Thyme-leaved Speedwell, Thymeleaf Speedwell, Thyme Speedwell

Synonyms 

Veronica serpyllifolia var. serpyllifolia, Cardia multiflora, Veronica funesta, Veronica ruderalis, Veronicastrum serpyllifolium

Scientific Classification

Family: Plantaginaceae
Tribe: Veroniceae
Genus: Veronica

Flower

Color: Blue or white
Bloom Time: Mid spring to early summer

Description

Veronica serpyllifolia is a perennial, flowering plant up to 12 inches (30 cm) tall. The leaves are oval, borne on creeping stems. The leaves are opposite on short stalks. The prostrate stems bear erect flowering branches up to 8 inches (20 cm) high. The flowers are blue, or white with blue or purple stripes, in racemes on upright stems. The seeds are tiny and disk-shaped, borne in two-lobed pods. The blooming period occurs primarily from mid spring to early summer for about 2 months.

Hardiness

USDA hardiness zone 3a to 8b: from −40 °F (−40 °C) to 20 °F (−6.7 °C).

How to Grow and Care

Speedwell thrives in conditions as wide ranging as full sun to partial shade and in loamy, sandy or clay dense soils. However, it does prefer a sunny location with well draining soil. The soil pH can be as liberal as neutral, alkaline or acidic, with moisture content from average to quite moist.

The hardy medium sized plant, with striking 1 to 3 foot (30 to 90 cm) flower spikes, flourishes in USDA hardiness zones 3-8. The Speedwell is tolerant of a variety of conditions but prefers full sun and well drained soil.

Speedwell can be sown from seed; however, it is more commonly purchased from a nursery so planting it in the garden can take place right away in spring.

Speedwell plant care is relatively low maintenance. In order to facilitate maximum blooming, it is advisable to remove the faded spikes from Speedwell and periodically divide the plant every few years in the early spring or fall... – See more at: How to Grow and Care for Speedwell

Origin

Widely naturalized elsewhere.

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