Passiflora alata
Passiflora alata
Passiflora alata
Winged-Stem Passion Flower, Fragrant Granadilla
I don't quite understand. In the header, it says "Hardy plant up to -4°C (24.8°F) (Zone 9b)". In the "Description" paragraph, I read "It is a persistent, vigorous vine that is easy to grow in a very bright location, as long as the temperature does not drop below 5°C (41°F)." So, is it +5°C (41°F) or -4°C (24.8°F)?
Jean-Louis, 29/01/2022
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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
The Passiflora alata is a vigorous, original and decorative passionflower, appreciated for its large, fragrant passion flowers of a bright red, adorned with a crown of white striped frizzy filaments on a mauve background. It is an evergreen vine, vigorous and easy to grow in a very bright exposure, as long as the temperature does not drop below 5°C (41°F). The ephemeral flowers succeed each other on the plant throughout the beautiful season, sometimes producing a few ripe yellow fruits, which are edible. Their flavour is both sweet and tangy. It will be grown in a large pot in fertile and fresh soil to be stored in winter.
Originally from the Amazonian forests, this red passionflower belongs to the large Passifloraceae family, which includes 400 species and many spontaneous or horticultural hybrids. This voluble plant clings to its support with tendrils, reaching a height of over 4.50 m (15ft) quickly. It is characterized by quadrangular stems covered with finely cut oval leaves, 6 to 10 cm (2 to 4in) long, medium green, which persist throughout the year. Its flowering extends from spring to autumn in the form of large flowers with a diameter of 7 to 10 cm (3 to 4in), which constantly repeat on the plant. Bright red tepals form its fragrant flowers, and the central crown is striped white and mauve. The stamen heart is yellow. Once pollinated, they give way to oval edible fruits, green and yellow when ripe, measuring 8 to 15 cm (3 to 6in) long and weighing between 90 and 300 grams. The pulp is pale orange, slightly acidic and highly aromatic.
This frost-sensitive passionflower alata grows in rich, fresh, well-drained soil in a sunny location. Pruning at the end of flowering involves reducing the branches to maintain a beautiful habit. With its height of 4 to 5 m (13 to 16ft), the alata passionflower is used to dress walls, fences, grills, porches and trellises when the climate allows. It is a very beautiful conservatory plant where it will spend cold winters. It will delight collectors of passionflowers!
Passiflora alata in pictures
Plant habit
Flowering
Foliage
Botanical data
Passiflora
alata
Passifloraceae
Winged-Stem Passion Flower, Fragrant Granadilla
South America
Planting and care
Passiflora alata is a cold-weather plant that likes sun, warmth, cool, rich soil and a spot sheltered from the wind. It can only be grown outdoors in regions where the temperature does not fall below 5°C. Plant it in spring in fertile, well-drained soil. Keep the growing medium slightly cool at all times. Place it on a support to support the weight of the vegetation. Ensure the branches are well directed onto the support, as the vegetation is exuberant. Pruning before wintering is recommended to keep the plant at a reasonable size. Don't hesitate to cut back the main branches to encourage growth. Remove dead or misplaced branches and aerate the plant by pruning excess branches. Watch out for mealybugs, whiteflies, and the cucumber mosaic virus. Treat as a preventive measure.
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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