Dahlia Portofino
Dahlia Portofino
Dahlia Portofino
Dahlia Portofino
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This plant carries a 6 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
The Dahlia 'Portofino' is a cultivar of Dahlia "ball" that charms with its warm and deep orange color, without aggressiveness, touched with apricot at full bloom. Shaped like flattened pompoms of medium size, the alveolate flowers play with light and color perception. It is a variety of medium height that blooms from summer to frost. Its warm and soft flowers are enhanced by the flowering of asters or grasses.
The Dahlias, from the Asteraceae family, originate from botanical species native to the high plateaus of Mexico. Their inflorescences are heads, but we commonly call them "flowers". Thousands of horticultural varieties have been created by humans, with new ones added each year, much to the delight of gardeners and florists.
The 'Portofino' variety forms a clump measuring on average 1.10 m in height after 3 to 4 months of cultivation with a span of 60 cm. It is classified among the Dahlias of the decorative group with Ball type flowers. In this category, the heads have no visible center, composed of numerous regularly arranged petals (ligules) completely rolled up on themselves, tubular and never flaring out. Varieties that form true balls, such as pompons (diameter less than 6 cm) and balls (diameter greater than 6 cm), are found here. The 'Portofino' cultivar heads generally measure 10-11 cm in diameter. The plant has an upright and bushy habit. The flowering period spans from July to October, if faded flowers are removed or cut for bouquets. The very branched, long, and sturdy stems are hollow and may require staking in windy conditions. The leaves are opposite, pinnatisect, meaning they divide into 3 or 5 very dentate lobes. Here, the leaves are a medium green and the stems are tinged with purple.
The Dahlia 'Portofino' forms beautiful combinations with Verbena bonariensis, its airy purple flowers provide a strong contrast with the dark orange of 'Portofino', and their lightness balances the denser floral heads of the dahlia. The Ammi majus 'Queen of Africa', with delicate white umbels, softens the orange while giving a "chic country" style to your composition. The Achillea millefolium 'Terracotta' in terracotta and soft orange tones creates a perfect harmony with the dahlia. Also consider sowing in your border the Cosmos 'Apricot Lemonade', its flowering in a subtle blend of pale yellow and apricot perfectly matches the tones of the dahlia, while lightening it.
A star plant for borders and cottage gardens, Dahlias confidently accompany the most beautiful flowers but are also appreciated alongside vegetable plants. In Mexico, this tuberous plant was initially cultivated as a root vegetable for consumption. However, its poor taste qualities relegated it to the status of an ornamental plant. The Dahlia, with its infinitely varied shapes and colors, is now considered one of the most beautiful flowers in the garden.
Plant habit
Flowering
Foliage
Botanical data
Dahlia
Portofino
Asteraceae
Cultivar or hybrid
Planting and care
The Dahlia Portofino is easy to grow in all regions. For a generous flowering, it is good to follow a few simple rules, plant the tubers in full sun as soon as the last frosts are over, rich, fresh and well-drained soils are perfect. However, stagnant moisture would promote tuber rot. Feel free to amend the soil with compost and sand if needed. Work the soil deeply and enrich it with crushed horn or dehydrated blood for example. Place your tuber and crumble the soil well to refill without air pockets. Your dahlia should be covered with about 6 cm of soil. At the end of planting, water once abundantly and then renew this watering regularly during the first 6 weeks to help with rooting.
Dahlias are sensitive to cold, they need to be overwintered. In November, the first frosts blacken the foliage, it's time to dig them up. Carefully unearth the tubers. Remove as much soil as possible. Let the foliage dry so the tubers can replenish their reserves. Then cut the stems to 10 cm. Spread your bulbs in a crate on newspaper. Store them away from frost in a dry, cool and dark place, such as a frost-free garage or attic, for example. In southern regions, close to the coast, experiencing few days of frost per year, it is possible to leave them in place. In this case, simply cover the ground with a layer of leaves or straw for protection.
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.