| Passiflora quadrangularis, also known as the giant granadilla, is a big passion vine, with the biggest fruits of the Passiflora genus. This vine is native to Tropical America, and is naturalized in many places in the world. In these tropical regions, this vine can reach 45 m (150 ft) long. However, when grown in containers, this vine will then be more moderately sized. he giant granadilla is an ornamental tropical vine that can withstand a few degrees of frost: it will withstand temperatures of about -1°C to -2°C (30°F to 28°F) The giant granadilla has big entire leaves that can be 25 cm (10") long. The stems are 4-angled; hence the scientific name "quadrangularis". his vine also has big showy fragrant flowers. They are about 12 cm (5") wide. The petals are purple, the sepals are white, and the corona is purple-blue. The giant granadilla is a large and heavy fruit that can be 30 cm (12") long. When fully ripe, this fruit is yellow, and slightly 4-angled. The giant granadilla is generally eaten fresh and fully ripe. The unripe fruit may be also boiled and served as a vegetable. It can also be canned, candied, or processed for juice production. Loves the warm humid tropics, but will not stand flooding. Protect from freezing temperatures. Fruit forms best after self-pollination. Bottom heating the seeds at 21-26 °C (70-80F) can result in germination at 1-2 weeks, at lower temperatures seeds can take up to 10 weeks to germinate. 6 seeds |