Abnormalities Hybrid pollen is often prone to deformations which can render it ineffective or sterile.About us A bit about Passiflora, the site and acknowledgements. Adhesion How species avoid hybridizing with other species in the wild. Ants Often, but not always, beneficial to Passiflora. Aridopsis study Looks at the nature of the the bonding between the pollen and the stigma. Art Prints, paintings, pottery, glassware & more. Articles A small selection of articles re Passiflora. Bats Enter the nocturnal world of bats where they pollinate Passiflora with white flowers that often have a musky scent to attract them. Bees The most well known pollinators. Butterflies There is a unique special relationship between butterflies and Passiflora. Conservation Passiflora under threat. Cuttings Different ways to prepare cuttings. Edible Fruit Perhaps 40 or more Passiflora have fruit we would judge as being edible. FAQ A good place to start for basic passion flower advice. Flies More likely to be pollen thieves than pollinators for most Passiflora. Flowering Some Passiflora are very difficult to flower. A look at the genetics behind flowering. Genetics An insight into the complex genetic history of Passiflora. |  | Germination Looking at all aspects of seed including germination tips.Germination inhibitors Little is known about what if any inhibitors are in Passiflora seed. Germination promoters A look at what works and what doesn't. Greenfly & Blackfly Minor biting damage but can introduce viruses. Growing tips Everything from cuttings to hardiness, seed sowing and more. Hardiness How to prepare the soil, hardiness, temperature ranges & overwintering passion flowers. History From the seventeeth century to date. Hormones Small organic compounds which help control the growth and development of plants. Hummingbirds Fascinating highly specialised birds that pollinate some of the most spectacular Passiflora. Hybrids Images & hardiness figures. Hybridizing Trying to produce new hybrids is fun. Leaf rollers Usually Tortrix moth caterpillars, only a threat to small plants. Life cycle From seed to fruit and back again. Lifespan How long do Passiflora live. Lighting Some tender passion flowers may benefit from extra lighting. Links Where to buy Passiflora seed and plants and more. Minerals Learn more about plant mineral needs. Moths Some may pollinate Passiflora flowers on their visits. |  | Movies Bees and flower movement.My hybrids Hybrids that I have named. All are commercially available. Pests & diseases How to deal with pests and other problems. Pests overview A look at how to keep your plants happy and avoid pests & diseases. Pigments Looking at chlorophylls, anthocyanins and carotenoids. Plant food Whether in the pot or the ground I use high Potassium feeds with micronutrients. Passiflora Identification Help to ID your passion flower. Pollen The science behind Passiflora pollen grains & their complex interactions with the stigma when pollination occurs. Pollen overview A definition of pollen and a look at its structure. Pollinators Information & images Pollinators overview Most Passiflora need pollinators but some can also self pollinate. Polyploidy Some new Passiflora hybrids are being created with polyploid chromosomes. Preserving pollen How to preserve pollen for SEM study or pollinating other flowers at a later time. Registrar Hybrid lists & how to register new cultivars & hybrids. Scale insects Sap suckers which can greatly weaken plants. Science From Passiflora articles to genetics, hormones, pollen, SEM images and more. Seed Looking at all aspects of seed including germination tips Seed experiment A small experiment on seed germination. |  | Seed germination The basics of how to germinate Passiflora seedSeed images Images of a number of different types of Passiflora seed. Seed overview An overview including man's history of growing Passiflora from seed. Seed SEM images Incredible high magnification images up to x 10 000. Seed storage How to keep seed in optimum condition. Self pollination Looks at why some Passiflora self pollinate and the role of 'alien' pollen. SEM High magnification Passiflora flower, foliage, pollen & seed images. SEM pollen Stunning pictures of many different Passiflora hybrid and species pollen. Slugs & snails A big problem for some of us -they can strip and kill a small plant overnight. Soil Learn more about Passiflora soil types & mixes. Soilless germination An innovative technique for difficult seed. Species Many images & hardiness figures. Spider mite Very hard to spot and very difficult to get rid of in greenhouses. Style/stigma A study of P. incarnata looking at how flower variations & style & stigma movement maximize fertility. Toxicology Passiflora contain some very interesting and powerful substances. Viruses A real nuisance especially for commercial growers. Wasps Nectar thieves and occasional pollinators on a few species. |