Dahlia Rosario
Dahlia Rosario
Dahlia Rosario
Dahlia
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This plant carries a 6 months recovery warranty
More information
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
The 'Rosario' decorative Dahlia offers beautiful salmon pink flowers with an orange heart. They are borne on sturdy stems ideal for bouquet making. Easy to grow, this lovely bush will find its place in a flower bed in the company of other dahlias for example or will brighten up your vegetable garden.
From the Asteraceae family, dahlias are tuberous plants native to the high plateaus of Mexico. Currently, there are thousands of horticultural varieties that have conquered gardens around the world. Dahlias are classified according to the shape of their flowers. The 'Rosario' variety is part of the decorative Dahlias with small flowers. It was obtained by the Dutchman Fred de Meulder, known to dahlia enthusiasts. Decorative dahlias are characterized by ligules (or petals) arranged regularly in a spiral, they can be bent towards the stem or curled.
The 'Rosario' dahlia's flowering period extends from July until the first frosts. It offers flowers of about 12cm (5in) in diameter, a magnificent salmon pink colour tinged with orange towards the centre. The bushy and erect plant has green leaves, divided into 3 or 5 leaflets.
To promote flowering and extend it at the same time, take care to cut off faded flowers as they appear. Feel free to create pretty country bouquets, by focusing on the complementary colours and shapes of the flowers. To do this, combine several dahlias in a flower bed or plant several varieties in the vegetable garden. The flowers of the 'Rosario' dahlia will blend beautifully with those of the 'Emmaus Lace' cactus dahlia, a magnificent orange, or the 'Sylvia' ball dahlia, also orange.
Undisputed stars of cottage gardens, decorative dahlias go well with white or pink Gauras and light-looking Cleomes. Also consider Echinaceas and salvias like the 'Papajan' shrubby sage with its salmon pink flowers.
Plant habit
Flowering
Foliage
Botanical data
Dahlia
Rosario
Asteraceae
Dahlia
Cultivar or hybrid
Planting and care
The decorative Dahlia 'Rosario' is easy to grow in all regions. Here are a few simple rules to follow to enjoy its beautiful and generous flowering. Plant the tubers in the sun after the last frost. A rich, moist, and well-drained soil will be greatly appreciated. Avoid any stagnant moisture that promotes tuber rot. Amend your soil with compost (in case of poor soil) and sand (for drainage) if necessary. Work your soil deeply and enrich it with crushed horn or dehydrated blood, as desired. Place your tuber and crumble the soil around it to fill any air pockets. Your dahlia should be covered with about 6cm (2in) of soil. Water generously at planting and regularly during the first six weeks to aid in rooting.
Dahlias are sensitive to cold, so they need to be overwintered. In November, the first frost turns the foliage black, which is the time to dig them up. Carefully unearth the tubers. Remove as much soil as possible. Let the foliage dry so that the tubers can replenish their reserves. Then cut the stems to 10cm (4in). Spread out your tubers in a crate on newspaper. Store them in a frost-free, dry, cool, and dark place, such as a garage or attic. In southern regions, close to the coast, where there are few freezing days per year, it is possible to leave them in place. In this case, simply cover the soil with a thick mulch (leaves, straw...).
Pinch the stems early (from the 3rd or 4th week after planting) to make your dahlia more compact and branched, and therefore more resistant to bad weather (wind, rain). To do this, use your nails to cut the terminal shoots just above the previous leaves. Otherwise, you always have the option of staking, but the aesthetic result may not be the best taste.
Slugs and snails are very fond of these young shoots. Protect them!
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.