How to grow Finger Lime

Finger Lime tree growing as shrub or small tree of the genus citrus also known as Lime caviar or Australian finger lime, is a type of Lime. Finger Lime tree perennial evergreen plant, grow for the edible fruits and also as ornamental plant, can grow in subtropical or mediterranean climate and growing hardiness zone 10+ and in hardiness zone 9b with the overwinter care.

Buds white with purple and the flowers are white with yellow/green stamen.

Finger Lime fruit

Fruit are oval in size ~3-10 cm, inside the fruit there is pulp (small round cells covered with a thinner layer). The cells can appear in a variety of colors: yellow, write, red, green, it can be sweet / sour or something in between. Rind appears in green, red, brown, orange, black, skin color is not indicative of the color of the inside spheres, The rind is edible used as spices for flavor and fragrant

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How to grow Finger Lime tree growing conditions and care:

Frost free, design because of the thorns easy to pick the fruits

What is the best way to start growing:
Plant / Seed / Cutting / Air layer

Is it necessary to graft or use vegetative reproduction?
No but to graft ensure the quality and the color of the fruits, possible to graft more than one color on the same tree

Difficulties/Problems with growing:

Planting season:
Spring to summer in hardiness growing zone 9b-10a, spring to autumn in hardiness zone 10b, all the year in hardiness zone 11+, better not to plant it in the hot summer days

Pests and diseases:
Gall wasp, Citrus leaf miner, aphids, citrus foot rot, ant, citrus gummosis

Pruning season:
All the year

How to prune:
Dead branch, cross branch, too much growth density

Size of the plant?
1.5-6 m, 5-20 feet

Growth speed in optimal condition:
Medium growing

Irrigation water management requirement:
When the tree is young average amount of water after when the tree is fully grown small amount of water

Light conditions in optimal condition for growing:
Full Sun

Is it possible to grow indoor?

Growing is also possible in a planter, flowerpot or containers:
Yes, when grow in container need to choose the desirable container if it’s small plant it directly if it’s a big container bigger than 100% than the root ball consider start to grow with small container, better to switch the soil once in few years, when start to grow check that the graft of the tree not too much high and choose plant that can grow as dwarf tree or to grow it as bonsai.

Blooming information

When does flowers bloom?
Spring to summer

General information about the flower
White flower with yellow stamen

Pollination is done by:
In the first years should thinning the flowers

Pollination is done by:

Edible Fruits

Fruit harvest season:
Autumn to winter, the fruits will hold on the tree until the end of the spring but need to check that they don’t become dry or rotten

Pests or diseases in Finger Lime fruit:
Citrus stubborn disease, citrus black spot, alternaria

What can be done with big quantities of Finger Lime fruit?
Eat, juice alcohol, the rind used fragrant, fruit leather, sugary rind

Work requirements on the fruit:
Pick up (sometimes cut branches that grow into the fruit)

How long does it take to bear fruit?
2-3 years

Ripening of fruit
Possible to pick up the fruit before and let them ripening them in the house (or even to use them)

How to eat finger limes:

Taste of the fruits it’s like lemon or lime so can be used in the same way, possible to eat it by peeling the peel and also possible to cut it in the middle and taking all with teaspoon, the fruit like little bubble and it’s pleasant to eat.

Growing finger limes from seed

Sowing requirement:
Moist soil, hot weather and better in sunny location

Saving seeds until sowing:
Dry, dark location in room temperature

Sowing season:
Spring to early summer (possible in the autumn)

Planting spacing:
Better in separate pots

Depth of Sowing:
2cm (1inches)

Conditions for seeds germinate:
Don’t let it dry, rich soil and sunny location

Watering requires for Seeds:
Average amount of water

Germination time:
2-4 weeks

Condition of seedling:
If there is Citrus leaf miner in one of the trees in the area better to put it in greenhouse or indoor

Scientific name:

Citrus australasica

Alternative names: Australian finger lime, Caviar lime tree


Blooming Seasons

Edible Parts

Culinary Uses

Flower Colors


Harvest season

Ornamental parts

Plant growing speed

Plant life-form

Plant uses

Planting season

Plants sun exposure

Watering plants

Hardiness zone