Garden & Greenhouse June 2018 Issue | Page 41

FEATURESTORY Passifloraceae are a Great Greenhouse Plant Common Name: Passion Flowers Light: High light with at least 4 hours of sun each day. Best Temperature: 60ºF (16ºC) or warmer. Water and Humidity: Keep the soil moist while plants are growing and reduce watering in the fall and winter. Growing Guidelines: Use all-purpose soil mix and replace the top 2 inches of soil every year. Fer- tilize passion flowers twice a month from spring to summer. Common Problems: The flower buds may drop if they are not receiving enough light. Propagation: Stem cuttings or seeds. Additional Comment: Hand pollination is usu- ally required to get fruit production on some vines. Fun Facts Nine out of about 400 passionflower plants (Pas- siflora spp.) grow in the United States, where they June 2018 thrive in plant hardiness zones 6 through 11. The exotic flowers attract a number of butterflies and in- sects. Passionflowers need filtered full sun or partial shade to produce the best flowers. Passion Flowers measure about 3 inches in di- ameter and are commonly red, purple, blue, pink, white or variegated. The exotic passionflower fea- tures five sepals, five petals, two thin rings above the reproductive organs, five stamens, three stigmas and three leaves. These features have been used since the 1500s as symbols in Christianity to tell the story of Christ’s crucifixion, which is commonly referred to as “The Passion.” The fruit of Passion Flower may be eaten fresh or used in teas, which is said to alleviate stress and anxi- ety. In tropical climates the Passion Flower blooms throughout the year. Blue Passion Flowers are attrac- tive to butterflies, bees and birds. www.GardenandGreenhouse.net 41