Family: Myrtaceae

Acca sellowiana (pineapple guava, feijoa, guavasteen) is an evergreen shrub or small tree native to South America. Typically reaching 2–4 meters tall, it has dense foliage with green leaves that are silvery underneath. In late spring, it produces striking flowers with edible white petals and bright red stamens. The plant is grown for both ornamental value and its highly prized fruit.

The fruit ripens in autumn and is green-skinned with a sweet, aromatic pulp that tastes like a blend of pineapple, guava, and strawberry. Pineapple guava is widely cultivated outside its native range, especially in New Zealand, California, and parts of Europe. It tolerates drought, salt, and moderate frost, making it a resilient plant for gardens and orchards. Some varieties are self-fertile, but many require cross-pollination for good fruit production. Acca sellowiana was spreading in Hawaii Volcanoes National Park. The population was controlled with herbicide and manual methods.

High Risk Traits:

• Native to and potentially capable of spreading in regions with tropical climates.
  
• Seeds dispersed by birds.
  
• High seed production.
  
• Tolerates a range of soils.
  
• Lacks natural enemies.

Low Risk Traits:

• Slow to mature (3-5 years).
  
• Controllable with herbicides.
  
• Intolerant of root disturbance.
  
• Valued and managed as a crop.