large speedwell (Veronica austriaca subsp. teucrium 'Crater Lake Blue') plant — close-up photo
Easy to grow

large speedwell

Veronica austriaca subsp. teucrium 'Crater Lake Blue'

Overview

Large speedwell (Veronica austriaca subsp. teucrium 'Crater Lake Blue') is an attractive perennial native to South and Central Europe. The flowers are violet-blue and up to 1 inch wide. It blooms in mid- to late summer and grows to about 12 to 24 inches in height. Its small, glossy oval leaves are shiny green and have serrated edges. They grow in mounds in full sun and grow best in moist, well-drained soil. The plant is drought tolerant and can be propagated by division, cuttings or seed. Its a great addition to any garden as it attracts beneficial insects such as bees and butterflies.

Care Guide

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Watering

Average — every "7-10" days.

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Light

Full sun, part shade.

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Temperature

Hardiness zone 4-8.

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Pruning

Best pruned in May, August, August.

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Propagation

Division, Cutting, Layering Propagation, Seed Propagation

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