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Feed and Water
Keep hungry passionfruit vines well-watered (especially when there’s little rain) and fed from spring to autumn. Use Yates Thrive Citrus & Fruit Granular Plant Food to nourish your plants. Water plants well before adding fertiliser then spread it around the base of the stem and along the area where the roots are growing. Be sure to remove any weeds that start to grow near your plant by hand.
Look out for suckers
Many passionfruit are grafted plants. From time to time the root system your vine is grafted on starts to grow. It can out grow the productive vine and cause it to become weedy. Always remove suckers from below the graft area and avoid damaging the root system as this can encourage suckering.
Pruning your passionfruit
Passionfruit vines don’t require pruning to encourage fruiting, but they may need a trim from time to time to remove overgrown growth. They can become quite heavy so ensure the area its climbing can bear the weight. The best time to prune is in spring as new growth resumes. Do avoid removing main stems, just cut back unwanted twining stems.
You can expect fruit about 18 months after planting. If your vine is not fruiting after this time, it may be due to one of the following reasons.
Passionfruit fruit is empty?
This can be caused by overfeeding or a result of weak seedlings. Follow the fertilising guide on pack and if the issue continues it may mean that you need to start again from scratch.
Passionfruit is falling off before it’s mature?
This can be caused by extreme cold weather or the plant not getting enough water. If the soil around your plant is dry the fruit may shrivel and fall prematurely. Be sure to water frequently in short intervals in dry times to keep it growing and healthy.
Storms can certainly play havoc when they hit, especially in the garden. If your passionfruit has dropped its fruit due to a storm and the fruit is still green, then, unfortunately, they are unlikely to sweeten up.
You would normally pick the fruit when it has changed from green to purple thus allowing as much time as possible for the fruit to mature and ripen on the vine.
All is not lost, your vine will produce again next year, so come spring, fertilise the vine with some Yates Thrive Citrus & Fruit Granular Plant Food to encourage flowering and fruiting. Give ample moisture to the vine during the hot summer months and next summer/autumn your vine will reward you with lots of delicious sweet fruits.