Finger lime (Citrus australasica)

Fruit of the Citrus australasica

Would you like to have a small fruit tree that was also easy to care for? If so, let me introduce you to Citrus australasia, a beautiful plant from the Australian understory that you can grow both in pots and in the garden.

It is not difficult to maintain, so you will surely not have any problems with it. Learn more.

Origin and characteristics

Citrus australasia

Our protagonist is an evergreen fruit tree or shrub that grows in the understory from the lowlands in Australia's coastal Queensland-New South Wales border region. Its scientific name is Citrus australasia, but it is known more as finger file or finger file. It is characterized by growing up to 2-6 meters in height, and for having small leaves, 1-5cm long by 3-25mm wide, glabrous and with the tip cut off.

The flowers are white, composed of 6-9mm long petals. The fruit is cylindrical, 4-8cm long, sometimes a little curved, green, orange, yellow, brown or pink, and edible. In fact, jams and pickles are made with it, the dried skin is used as a spice, and the pulp or "meat" can be eaten raw (but be careful, because it is spicy).

What are their cares?

Trunk of the Citrus australasica

If you want to have a copy, we recommend that you provide it with the following care:

  • Location: outside, in semi-shade.
  • Earth:
    • Pot: universal growing substrate mixed with 30% perlite.
    • Garden: it is indifferent as long as it has good drainage and is fertile.
  • Irrigation: 3-4 times a week in summer, and every 4-5 days the rest of the year.
  • Subscriber: from spring to summer it must be paid with organic fertilizers, such as guano or manure from herbivorous animals. In the case of having it in a pot, it must be paid with liquid fertilizers so that the water can filter well.
  • Planting or transplanting time: in spring. If it is potted, transplant every 2 years.
  • Rusticity: withstands cold and frosts down to -4ºC.

What did you think of the Citrus australasia?


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  1.   Eduardo Combres Martorell said

    I have one for several years now and it has not yet produced any fruit, not even flowers, I have it in the field together with other orange trees and it is watered and fertilized with the drip just like the rest of the field, you think it will come to bear fruit, I I would like a lot.

    1.    Monica Sanchez said

      Hello Eduardo.
      In principle it would not have to flourish. How many years have you had it?
      There are trees that take a long time to bear fruit, 10, 15 years. But the normal thing is that the Citrus does not take so long.
      A greeting.

      1.    Martina said

        Hello Monica and Eduardo, I have a 3 - 4 year old I have fruits and this year many flowers, it is in a pot in semi sun shade, but with this heat of this year, I water it every afternoon and it is drier than normal, I think I am not an expert or a novice that is the drip, because it never dries a little, I will put it in a pot that is not under the drip or if you can divert it that from time to time it dries a little. Hope this worked for you. Greetings Martina