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Paw Paw or Papaya (Carica papaya) originate from tropical and subtropical climates, so they thrive in warm, frost free areas around Australia. Paw Paw trees are easy to grow, so long as they have a full sun spot, with rich, moist and free draining soil. They grow from 2-5 metres tall and begin producing fruit 12-18 months after planting. 

The fruits of Paw Paw trees can be either red or orange fleshed and in the tropics they’ll produce fruit year round. Trees will continue producing fruit productively for 5-6 years. Pick the fruit when they are half ripe and allow them to ripen indoors. 

Paw Paw trees can produce female only flowers, male only flowers or they maybe bisexual and produce both male and female flowers. You’ll need 1 male tree for every 7 females for successful fruit production – but if you only want 1 tree, make sure you choose a cultivar that is bisexual (it produces flowers that are both male and female).

5 top tips for growing paw paw trees

1. Grow your paw paw tree in a warm, full sun position, sheltered from strong winds.
2. Paw Paws need a free draining soil that’s been enriched with  Soil Improver before planting.
3. Paw Paw trees can be female, male or bisexual – if you only want to grow 1 tree, make sure you choose a bisexual cultivar so you get fruit production. 
4. Paw Paws are heavy feeders for apply  Organics Citrus & Fruit Plant Food & Soil Improver every 6 months
5. Prune Paw Paw trees after they’ve finished fruiting in winter, as they fruit on new growth – pruning will encourage new shoots for the following season’s fruit production. 

Prepare

Paw Paw trees prefer a full sun spot that’s protected from strong winds. Choose a space with free draining, neutral pH soil and prepare it for planting. 

Prepare the soil for planting the paw paw tree by digging a hole that’s twice as wide as the root ball of your tree and the same depth. 

Loosen the soil at the bottom of the hole and mix manure through the original soil. 

When to pick papaya

Paw Paws are best picked from the trees once they are half ripe – cut them from the tree with sharp scissors or secateurs once 50-75% of their skin has changed to orange/red. Then leave them on the bench inside to completely ripen. 

Most Paw Paw trees will begin producing fruit within 12 months of planting and they’ll continue to productively grow fruit for 5-6 years. 

You may need to securely net your trees to protect the crop from hungry birds and other animals. Once the fruits have formed, use a wildlife safe, 4mm hole or smaller white netting that’s pulled tightly over the tree and secured around the truck or set up a frame structure over the tree so you can easily place the net over this. 

Common paw paw tree pests & diseases & general care advice

If Queensland Fruit Fly are a pest in your area you may need to net with insect exclusion netting once the fruit have started to form.

Paw Paw trees should be pruned in winter to encourage new growth – aim to remove any broken, crossing or diseased branches and then lightly prune the whole tree to keep it at a manageable height.
 
Mites and aphids can infest new paw paw growth, keep an eye out for distorted new leaves or mottled patterns on the leaves. If mites or aphids become a problem on spray with Defender Pyrethrum Insect Spray to control them. 
 
In hot and humid weather, fungal diseases can be a problem for Paw Paw trees. Remove any dead or diseased leaves/branches and try to improve airflow around the tree to reduce the risk of fungal diseases.