Passiflora alata, commonly known as the Winged-stem Passionflower, is a species of the Passifloraceae family, native to South America, particularly Brazil, Paraguay, and parts of Argentina. This plant is renowned for its large, fragrant flowers and edible fruits, often referred to as “fragrant granadilla.”

Historical Facts:

• Passiflora alata has been cultivated for centuries by indigenous peoples in South America, primarily for its sweet, aromatic fruit and its ornamental flowers.
• The genus name “Passiflora” was given by Spanish missionaries who saw the flower as a symbol of the Passion of Christ, with various parts of the flower representing aspects of the crucifixion.
• In Brazil, Passiflora alata is known as “maracujá-de-asa” and has been traditionally used both as a food source and in folk medicine.

Medicinal Uses

Passiflora alata, like other members of the Passiflora genus, has several medicinal uses, primarily in traditional medicine:

• Calming and Sedative: The plant is often used for its mild sedative properties, helping to alleviate anxiety, insomnia, and nervous disorders.
• Digestive Aid: It is sometimes used to soothe digestive issues, such as indigestion or stomach cramps.
• Antioxidant and Anti-inflammatory: The plant contains various compounds that provide antioxidant and anti-inflammatory benefits, potentially aiding in the prevention of certain chronic diseases.
• Skin Conditions: Topical applications of extracts from the plant have been used to treat minor skin irritations and inflammations.

How to Grow from seed:

Growing Passiflora alata from seed can be a rewarding experience, as this plant not only produces stunning flowers but also bears delicious fruit. Here’s how to do it:

1. Seed Preparation:Scarification: To improve germination rates, gently scarify the seeds by rubbing them with sandpaper or soaking them in warm water for 24 hours before planting.
2. Sowing:
   • Timing: In Australia, sow the seeds in late spring or early summer when the soil temperature is warm, around 20-25°C.
   • Soil: Passiflora alata prefers well-draining, fertile soil rich in organic matter. A slightly acidic to neutral pH (6.0-7.0) is ideal.
   • Planting Depth: Sow the seeds about 1 cm deep in the soil.
   • Spacing: If planting multiple seeds, space them about 30 cm apart to allow room for growth.
3. Germination:
   • Temperature: Maintain a warm environment with temperatures between 20-25°C to encourage germination.
   • Watering: Keep the soil consistently moist but not waterlogged. Use a spray bottle to mist the soil gently.
   • Germination Time: Germination can be slow, often taking 2-3 months, so patience is key.
4. Transplanting:
   • Once the seedlings have developed several true leaves and are sturdy enough to handle, transplant them into larger pots or directly into the garden.
   • Ensure the site receives full sun to partial shade.
5. Growing Conditions:
   • Sunlight: Passiflora alata thrives in full sun to partial shade, with at least 6 hours of sunlight per day.
   • Watering: Water regularly, especially during dry periods. The soil should be kept moist but not soggy.
   • Fertilisation: Feed the plant with a balanced, slow-release fertiliser during the growing season to support vigorous growth and flowering.
6. Maintenance:
   • Support: Passiflora alata is a climbing vine, so provide a trellis or other support for it to grow on.
   • Pruning: Prune the plant lightly to control its size and shape, and to remove any dead or damaged growth.
   • Pests and Diseases: Watch for common pests such as aphids and caterpillars, and treat them with insecticidal soap if necessary. Fungal issues can be mitigated by ensuring good air circulation around the plant.
7. Flowering and Fruiting:
   • Passiflora alata typically flowers in late summer, producing large, fragrant, reddish-pink flowers.
   • After pollination, the plant will bear large, oblong fruits that are edible and have a sweet, aromatic flavour.
   • Harvest the fruits when they turn yellow or orange and begin to soften.

Always consult a medical practitioner before embarking on any program. The information on this page is not diagnostic, therefore always consult a herbal practitioner or your GP in order to obtain a diagnosis. Never stop taking prescribed treatment without consulting your GP or a qualified herbal practitioner. Do not take without qualified medical advice.

Picture of flower on side Papilio121 at English Wikipedia, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons

Picture of flower and fruit Dick Culbert from Gibsons, B.C., Canada, CC BY 2.0 <https://creativecommons.org/licenses/by/2.0>, via Wikimedia Commons