Caviar Lime: Cultivation And Special Features Of The Luxurious Finger Lime Variety

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The pulp gives the caviar lime its name. We show you what to consider when growing and caring for the caviar lime and what makes it so special.


Caviar from your own garden: You don’t have to go to the fish farmers for this. Because a special type of lime, the caviar lime ( Microcitrus australasica ), supplies so-called lime caviar. If you open the exotic fruit, you will find small balls inside that really look like caviar. To enjoy this specialty, you can grow the caviar lime yourself in your garden or on the balcony. In our article, you will find out where the caviar lime comes from, what you need to consider when growing it and how to properly care for this special citrus plant.

The caviar lime is also called the Australian finger lime. This is because the fruits are elongated and thus resemble fingers. In English, the lime caviar is also called “Lime Pearls”. These pearls are a real luxury product: they are very expensive to buy and also not easy to get. It is all the more attractive to grow the caviar lime yourself so that you can harvest your own lime caviar.Lime caviar is considered a special delicacy


Origin and properties of the caviar lime

The botanical name Microcitrus australasica reveals the origin of the caviar lime: Australia, more precisely the semi-arid dry zones of northern Australia. It is one of the few remaining wild forms of citrus plants and is a species of the genus Microcitrus in the diamond family (Rutaceae). The plants of the caviar lime are leafy with rather small leaves. When the plant is still young, the leaves are narrow and needle-shaped.

As the plant grows older, the leaves become larger and oval with rounded tips. This lime has a short but very pointed thorn in the leaf axes. The flowers are very small, four to five-fold, with four to eight segments in the ovary, and bloom white with a pink center. The scent of the flowers and fruits is not quite as aromatic as with other types of lime, but the content of the fruits is all the more convincing. When the lime caviar bursts, it releases an intense and unique aroma.

Caviar lime: Colorful variety

The finger lime is available in many different varieties. Their skins and pulp are differently colored and the fruits can be elongated to spherical. We present a selection of different types of caviar lime below.The different types of caviar lime have different colors


  • ‘Polpa Gallia’: The fruits of the finger lime ‘Polpa Gialla’ have green skin and yellow pulp.
  • ‘Virgata’: The ripe fruits of this variety have yellow-green skin. They grow round, but have the typical caviar-like flesh.
  • ‘Byron Sunrise’: The fruits of this caviar lime variety have a maroon-brown skin that turns almost black when fully ripe. The flesh is orange to red.
  • ‘Durhams Emerald’: The fruits of this finger lime are dark purple to black. The lime caviar is emerald green inside.
  • ‘Jali Red’: This type of caviar lime is characterized by its light red to pink flesh. The skin is dark green to brown.
  • ‘Judy’s Everbearing’: The ripe fruits have bright pink skin. The lime caviar is also pink.
  • ‘Yellow’: As the name suggests, the lime pearls in this variety are yellow. The skin of the fruit is green-yellow.

The variety of lime is impressive. In addition to the caviar lime, there are many other special citrus fruits that you can find out more about in our special article.

Cultivation and location of the caviar lime

Basically, all citrus plants hardly differ in terms of cultivation and care. Once you’ve got the hang of one type of citrus, you can’t go wrong with the others either. You can find detailed instructions for growing and planting lime trees in our special article. All citrus plants are not hardy and must therefore be grown in pots.

We only grow caviar lime in pots

As for the finger lime, it is the wild species that prefers to be outside in the summer. However, it does not always have to be in full sun outdoors. The caviar lime is also satisfied with a partially shaded location in summer. But it should stand free and not have to fight with other plants for the little light. So that all sides of the plant get evenly sun and it grows evenly, you can twist your caviar lime every two months. In winter, the plant then moves to the winter garden or apartment. Here it should be bright and at temperatures of 3 to 15 ° C. The same applies to finger lime: the warmer it is, the lighter the special lime wants it to be.

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Location requirements of the caviar lime at a glance:

  • In summer outdoors
  • Sunny to a partially shaded location
  • Inside in winter
  • Winter temperatures: 3 to 15 ° C

Caring for caviar lime: requirements and special features

The care of finger lime does not differ significantly from that of other types of lime. Since it originally comes from semi-arid desert regions, it can be assumed that its water requirement is lower than that of other types of lime. Even so, you should water your caviar lime regularly and never let it dry out. However, the exotic lime is very sensitive to waterlogging. So be sure to avoid these. During the main growing season, the caviar lime can be fortified with a special citrus fertilizer once a week. As an alternative to citrus fertilizer, organic fertilizer can also be used.


Organic universal fertilizer, made mainly of plant-based raw materials and with organic long-term effects, provides your caviar lime with all the important nutrients. In winter you can reduce the fertilization significantly or even stop it completely. Regular pruning is not necessary for finger lime, but dead and diseased parts of the plant should be removed. Pruning is also advisable if the plant is growing very unevenly. However, this should definitely be done during hibernation. The caviar lime should be repotted every two years.

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An overview of the care measures for the caviar lime:

  • Keep evenly moist
  • Avoid waterlogging at all costs
  • Fertilize with citrus fertilizer once a week in summer
  • Cut if necessary
  • Repot every two years

Using the caviar lime

The lime pearls of the caviar lime can be enjoyed raw and pure. But they are also ideal as a topping on various dishes, for decorating, or as an optical eye-catcher and aromatic refinement in drinks. Lime caviar goes particularly well with fish dishes or as a topping on sushi. But it can also be mixed as a fruity component in salads. The pearls are particularly effective in drinks: Put a few pearls in a glass of Prosecco or champagne or mix the lime caviar in a wide variety of cocktails. The fruity globules also look good in desserts, for example in ice cream or on cakes.Lime caviar is particularly good on desserts


Are you even more interested in interesting and unusual types of lime? In our special article, you can find out more about the special features of kaffir lime.

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