Yellow and blue summer flowers for a sunny borde
Yellow and blue summer flowers for a sunny borde
Achillea, Coreopsis, Perovskia
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This plant carries a 12 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
Create a yellow and blue summer border in full sun with this selection of 5 yellow and blue flowering plants. It consists of perennial plants known for their robustness, attractive foliage, and abundant flowering from June to September. They create a dynamic and fresh scene, perfect for the summer season. These 6 plants can cover approximately 1 m² within 2 years. The yarrows spread as ground cover through stolons, allowing the border to expand over time.
The collection includes:
x 1 Achillea 'Moonshine': bright yellow flowers, silver-grey feathery foliage. Height: 50 to 60 cm. Flowering: June to September.
x 1 Achillea filipendulina 'Cloth of Gold': large golden yellow flowers, dark green fern-like foliage. Height: up to 1.20 m. Flowering: July to September.
x 2 Perovskia atriplicifolia 'Little Spire': lavender-blue flowers, grey-green foliage, aromatic when crushed. Height: 90 cm. Flowering: July to September, possibly October.
x 1 Coreopsis grandiflora 'Sunray': double golden yellow flowers, dark green foliage. Height: 40 cm. Flowering: June to August.
x 1 Achillea 'Hella Glashoff': pale lemon yellow flowers fading to light yellow, dark green foliage. Height: 70 cm. Flowering: June to August.
These varieties should be planted in spring or early autumn, in well-drained soil and full sun. Plant the tallest varieties like Achillea filipendulina 'Cloth of Gold' at the back of the border to create a vertical structure. Place Perovskia atriplicifolia 'Little Spire' and Achillea millefolium 'Hella Glashoff' in the centre for a beautiful transition of height. Coreopsis grandiflora 'Sunray' and Achillea 'Moonshine' will find their place at the front, creating an explosion of colours. Maintain a spacing of 40 cm between each plant to ensure their optimal development.
These plants in this selection pair perfectly with lavenders in a harmonious mix of blues and yellows. Add some gaillardias to spice up your border with touches of red and orange. The 'Magnus' coneflower will bring height and shades of pink to your composition. Place the lavenders and gaillardias at the front, mix the achilleas and perovskia in the centre, and position the echinaceas at the back for a balanced and dynamic result.
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Flowering
Foliage
Plant habit
Botanical data
Achillea, Coreopsis, Perovskia
Cultivar or hybrid
Planting and care
Plant these young plants in the sun, in well-draining soil, even limestone soil. Water them at the start to help the plants establish themselves. Once well-rooted, they can do without watering in the summer in most regions.
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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