Veronica petraea Madame Mercier
Veronica petraea Madame Mercier
Veronica petraea Madame Mercier
Veronica petraea Madame Mercier
Speedwell
Field of plants arrived in good condition despite this period of intense heat.
Fabienne, 14/08/2022
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This plant carries a 12 months recovery warranty
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Description
Veronica petraeae Madame Mercier is a small, hardy, creeping perennial with bright green foliage, covered with clusters of small bright, blue flowers veined with violet from spring to summer. This accommodating alpine plant will thrive in any well-drained, moist but not too dry soil, in full sun or partial shade.
Veronica petraeae is a rhizomatous plant in the plantain family, native to the mountains of the Caucasus, specifically Russia, Azerbaijan, and Dagestan.
The 'Madame Mercier' cultivar is an improvement on the species, with particularly bright flowers. This herbaceous perennial grows as a semi-evergreen carpet, reaching 10 cm (4in) high and spreading to a diameter of 40 to 50 cm (16 to 20in). It flowers for a long time from May to July, covering the plant with clusters of purple buds that open into small, round, light blue flowers veined with violet. The reddish, prostrate stems are covered with 1 to 3 cm (0 to 1in) long, semi-evergreen, bright green oval leaves with serrated edges, which turn purple when exposed to sunlight.
Veronica Madame Mercier is perfect in alpine rockeries, but also looks lovely in the border of small beds or to soften the edges of pathways. It can be grown in pots, containers, and troughs, where it will gracefully cascade. Pair it with corydalis, alpine asters, azorella trifurcata, or helxine to fill the base of garden irises or hellebores. This little veronica can also be combined with the most beautiful bulbs, including crocuses, which will elegantly mix with its foliage.
Veronica petraea Madame Mercier in pictures
Flowering
Foliage
Plant habit
Botanical data
Veronica
petraea
Madame Mercier
Plantaginaceae
Speedwell
Cultivar or hybrid
Planting and care
Plant Madame Mercier in ordinary, well-draining, humus-bearing, moist to moderately dry soil. In heavy soil, the addition of coarse sand, gravel, compost or soil is essential. A soil rich in gravel yields good results. It tolerates full sun and blooms well in partial shade. This plant does not require any special care, just water regularly and abundantly during summer in the first year after planting. Afterwards, water only in a severe summer drought.
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).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
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 planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
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.
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