Citrus australasica
How to Grow Citrus australasica
Overview
The Citrus australasica, also known as finger lime or caviar lime, is a unique and fascinating fruit tree that originated in the coastal border region of Queensland and New South Wales, Australia. Despite its name, it's not a true lime but rather a member of the citrus family. Its most distinctive feature is the crunchy, tart "caviar" found inside the fruit, which adds a delightful twist to salads, seafood dishes, and cocktails.
Growing Conditions
Citrus australasica thrives in subtropical climates with warm days and cool nights. They prefer well-draining soil rich in organic matter and are tolerant of various soil types as long as they drain properly. These plants are also drought-tolerant once established but benefit from regular watering during fruit development. They grow best in full sun, although some shade during the hottest part of the day can be beneficial.
Planting & Care
Choose a location with well-draining soil and plenty of sunlight for your Citrus australasica. Dig a hole deep enough to accommodate the tree's root system and plant it at the same depth it was in the nursery pot. Water thoroughly after planting and continue to water regularly, especially during fruit development. Prune any dead or diseased wood and keep the area around the base of the tree clear of grass and weeds to prevent disease.
Common Problems
One common issue with Citrus australasica is root rot, which can occur if the plant sits in waterlogged soil for too long. Ensure good drainage and avoid overwatering. Another problem may be pests such as aphids or scale insects, but these can usually be managed with organic methods like insecticidal soap or neem oil.
Harvest or Enjoy
Harvest your finger limes when they reach a size of about 1-2 inches long and the outer skin turns from green to yellow. Gently twist the fruit off the tree, being careful not to damage the delicate branches. The caviar inside can be "squeezed out" like