Passiflora citrina
Passiflora citrina
Passiflora citrina
Passiflora citrina
Passiflora citrina
Passiflora citrina
Citrine Passionflower, Lemon Yellow Passionflower
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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 citrina, also known as the citrine passionflower, is a botanical passion flower native to the forests of Central America. It is a vigorous climbing plant, particularly floriferous, with a tropical appearance and temperament. It is appreciated for its real ease of cultivation, its lush evergreen foliage, but above all for the duration and abundance of its flowering. Its modest-sized flowers are unique in their lemon yellow colour and tubular corolla that opens into a star shape. This passionflower can be grown in pots in most climates, which allows it to be overwintered in a temperate conservatory or a bright room. Growing it in the ground is only possible in the mildest regions.
Mostly originating from tropical areas of South America, passionflowers belong to the large family of passifloraceae, which includes 400 species and numerous spontaneous or horticultural hybrids. The Passiflora citrina grows naturally in the humid pine forests of the mountains of Honduras and eastern Guatemala. It thrives in slightly acidic, humus-rich soils that do not dry out in summer. It has low frost resistance, with the stump perishing below -2°C (28.4°F).
The Citrine Passionflower develops voluble stems that cling to a support using tendrils, reaching an average height of 3 to 4 metres (10 to 13 feet). The entire plant is slightly villous. Its long stems are adorned with large leaves of a fairly deep green colour, slightly glossy, strongly veined, theoretically evergreen in winter (excluding frost). Their palmate shape is unique, with the lamina having 2 to 5 lobes. The plant flowers as soon as the temperature exceeds 15°C (59°F), so it is capable of flowering all year round. Generally, in our climates, the flowers are produced continuously from May to October. The flowers are a light and vivid yellow, measuring about 4 cm (2in) in length and 2 cm (1in) in diameter. Each flower has a tubular base that ends with 10 slender and pointed tepals and petals, slightly curved. The center of the flower is occupied by a column with 4 stamens around a pistil bearing 3 stigmas. In nature, pollination is carried out by hummingbirds.
This Citrine Passionflower is not a fussy plant, its cultivation is within the reach of even beginner gardeners, and it performs very well indoors. It grows easily in good slightly acidic potting soil, kept slightly moist, and blooms generously in the sun in a sheltered location. Pruning, at the end of flowering, consists of reducing the branches to maintain a beautiful habit. It can be trained on various supports such as trellises, obelisks, stakes, or trellis panels. In regions unaffected by frost, it can be trained to climb on a pole, pergola, arch, or fence. To accompany it, choose, for example, a Sollya 'Ultra Blue' or a Solanum jasminoides 'Bleu'.
Passiflora citrina in pictures
Plant habit
Flowering
Foliage
Botanical data
Passiflora
citrina
Passifloraceae
Citrine Passionflower, Lemon Yellow Passionflower
Central America
Planting and care
The citrine passionflower is a plant that loves warmth, it should be protected from cold and drying winds. It is planted in a soil rich in humus, slightly acidic to neutral (pH 6 to 7), which remains slightly moist in summer. In southern regions, it will appreciate some shade in the afternoon. Further north, a very sunny exposure will be preferable. Tender, it can only be grown in open ground in regions spared from frost. The stump is destroyed at -2 °C.
Fortunately, this species can be easily grown in a pot, which allows it to be overwintered in a temperate veranda or in a bright room that is not too heated. Plant it in a good horticultural soil based on decomposed pine bark or and coconut fibres, remaining fresh in summer, not too wet in winter. Avoid repeated watering with hard water, as this causes its leaves to turn yellow. Provide it with a complete fertiliser for flowering plants in spring and summer. Place it on an upright structure to support the weight of vegetation. Direct its branches well on the support, as the vegetation is exuberant. Pruning before wintering is recommended to maintain a reasonable size. Do not hesitate to cut back the main branches to facilitate growth. In early spring, remove dead branches near the stump. Beware of scale insects and whiteflies in greenhouses.
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).
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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.