Look for leaves with the edges turned up as if your plant is suffering from heat stress–and your plant can even take on a glossy appearance that looks like fake plastic leaves. There are an array of different fungal and bacterial diseases that cause spots to form on the fruit and/or leaves. As long as the center of the leaf is still alive, I don't remove the leaves until the new leaves … Yellow passion fruit is suscepti ble to attack by Philonis spp. Dried flower parts persist on the fruits. The flowering will be better with its head in the sun the feet in the shade and kept on the moist side. Too much fertiliser can have the same effect as too little. I'm seeing petunias with white spots on the flower petals. Q. while Passiflora alata, P. malif ormis, P. serrato digitada and P. caerulea are n ot infested by this pest (Oliveira an d Busoli, 1983). As Regards Passion Flowers - What causes the leaves on passion flowers to turn yellow and drop off, and what can be done to keep… Q. Propagating Passion Flowers - I want to know how to propagate the Passion Flower from cuttings. Some plants have bracts which look like petals. Fungal diseases such as brown spot, septoria spot and alternaria spot cause flaws on leaves and fruit. Lacking an essential mineral element. They will actually do better in the sun than the shade, but passion flower will handle part shade. Passionfruit scab causes scabby lumps on fruit, which may then shrivel and drop. Protect passion vine leaves from caterpillars. The leaves, tendrils, flowers and fruit all add interest. I have also read that some passionfruit growers place the skin of a bananna into the pot of passion flowers as its high in potasium. Ease off the potassium as the plant food will also contain potassium. Also, passionfruit need at least 18 months to two years to establish. A poinsettia flower is the tiny yellow part and the red or white leaves are bracts. Passionfruit Spots. Any animal manure must be well rotted and not fresh as this can cause the roots to burn. Photo 5: Seed of purple and yellow passionflower for comparison. The yellowing could be caused by a couple of things. Yates Nature’s Way Bio-Gold Organic Fertiliser to boost any deficiency. Mostly caused by Brown Spot (Altanaria passiflora) ... My passion flower is 2 years old and this is the second time I bring it inside during the winter months. These enlarge, develop a lighter-coloured central area, and become irregular or angular in shape. I have read spider mites can suck on the leaves leaving the leaves like this or some mineral is lacking . I was advised by a passion flower grower on ebay its ok to feed them tomatoe feed. Yellow passionflower is an interesting plant in a garden or natural area. These spots often reduce the vigour of the plant, cause leaves to yellow and fall off, and/or can cause fruit to become inedible. On fruit, spots first appear as pinpricks, which enlarge into sunken circular lesions with brownish centres. Spots on the fruits. The flower of passion vine is gorgeously intricate. On leaves, small brown spots appear first. Spots on the fruits and leaves. Spots can develop into extensive superficial leasions causing premature drop and fruit decay.. Prevention. It sounds like they may have had too much fertiliser. Passion fruit vine leaves turning yellow and crinkling. The older leaves are turning brown on the tips, they curl and then fall. Broad mites inject a toxic growth hormone into the plant that slows and distorts growth. No Flowers On Passion Vine - My passion flower did not flower this year, lots of growth but no flowers. Eventually, these leaves will turn yellow … Note characteristic texture of each. Also check what soil it has not been planted straight into clay. The weather has also been very warm lately. Look for: Dead spots on leaves that are surrounded by a yellowish halo, brown or green blotches on ripening fruit, scabby fruit and dropped fruit.