Veronica longifolia
Veronica longifolia
Veronica longifolia
Veronica longifolia
Veronica longifolia
Veronica longifolia
Longleaf Speedwell, Garden Speedwell, Long-leaf Veronica
NOTHING, I got nothing, not even a single shoot. On this one
Domiboop, 17/06/2025
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Description
Veronica longifolia is a perennial that blooms from June to July with long, compact and upright flower spikes, adorned with small, intense blue flowers
The leaves of this Veronica measure from 6 to 12 cm (2 to 5in) long. With the arrival of the cold in autumn, they turn a spectacular intense reddish-violet. Long-leaved Veronica is very hardy and vigorous and can reach 60 cm (24in). It is one of the tallest species of Veronica.
Originally from northern and central Europe and Russia, it is often found in flower beds. It likes moist places like riverbanks and butterflies love it.
Veronica longifolia in pictures
Flowering
Foliage
Plant habit
Botanical data
Veronica
longifolia
Plantaginaceae
Longleaf Speedwell, Garden Speedwell, Long-leaf Veronica
Veronica maritima, Pseudolysimachion longifolium, Veronica septentrionalis, Veronica exaltata
Northern Europe, Central Europe, North Asia
Planting and care
Veronica longifolia is an easy-going perennial that prefers rich and light soil with a slightly limestone tendency. It likes humid atmospheres and being close to water, but needs light soil. It develops and flowers best in the sun. Veronica longifolia can be planted in the garden almost any time of the year, except during periods of frost and summer drought. Cut the faded flower stalks to promote new flowers. Adding compost at the base of the plant every spring gives it vigour. Avoid using nitrogen-rich fertilisers as they will weaken the vegetation and make its stems more prone to bending. In late winter, cut the plant back to the base and fresh foliage will emerge in spring.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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