The passionfruit is a vigorous tropical vine with dark green foliage and attractive white and purple flowers. Passionfruit bear an abundance of oval black/red/gold fruit in summer which are filled with delicious yellow pulp. Often planted as a screen over a fence, a strong solid support or trellis is required to bear the weight of the vine when fully grown. Passionfruit thrive in a sunny well drained position, protected from strong winds.
1. Best planted in spring when the frosts are past. Plant in a sunny well drained soil enriched in plenty of organic compost. Apply an application of poultry pellets at planting and mulch around the vine. Keep mulch away from the stem as this may encourage collar rot. Avoid planting in low lying areas where the water may pool.
2. Passionfruit are heavy feeders, therefore regular applications of fertilizer are required to keep them fruiting well and to avoid deficiency which will appear in the leaf (yellowing).
3. Prune vines to control size and to keep tidy, otherwise pruning is not necessary.
4. Neglecting of vines can cause deformed fruit and a woodiness in texture. Avoid this problem by watering and feeding regularly. Fertilize fortnightly through the main growing and fruiting period.
5. Passionfruit will benefit from an application of Superphosphate and Sulphate of Potash. This aids in promoting healthy vines and sweeter fruit.
6. Heavy rain during the flowering season can affect pollination and reduce harvest.
7. Lush healthy green foliage with little or no fruit can be a result of over fertilizing or poor pollination. This can also be caused by certain soils lacking in boron which can easily be corrected by applying boron at the recommended rate on the container.
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