Unique Caviar-Like Pulp
Produces distinctive juice-filled citrus pearls that resemble caviar and provide a refreshing, tangy flavor.
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Finger Lime, scientifically known as Citrus australasica, is an unusual Australian native citrus plant prized for its elongated finger-shaped fruits and distinctive caviar-like pulp. The tiny juice-filled pearls inside the fruit offer a refreshing citrus flavor and are popular in gourmet cooking, seafood dishes, beverages, desserts, and preserves. The plant produces attractive evergreen foliage, fragrant flowers, and colorful fruits that may range from green and yellow to pink, red, and purple, depending on the variety. Finger Lime can be grown in suitable gardens and large containers, making it an interesting choice for gardeners looking to grow a unique citrus plant from seeds.
Produces distinctive juice-filled citrus pearls that resemble caviar and provide a refreshing, tangy flavor.
Develops unusual elongated fruits that can display attractive green, yellow, pink, red, or purple colors depending on the plant variety.
Features small, aromatic green leaves and thorny branches that create an attractive citrus shrub or small tree.
The flavorful citrus pearls are popular for garnishing seafood, desserts, salads, sauces, and refreshing drinks.
| Scientific Name | Citrus australasica |
| Common Name | Finger Lime, Australian Finger Lime, Caviar Lime |
| Plant Family | Rutaceae |
| Seed Type | Fruit Tree Seeds |
| Plant Type | Evergreen Citrus Shrub or Small Tree |
| Origin | Eastern Australia |
| Growth Habit | Upright, bushy, branching growth with thorny stems |
| Fruit Shape | Elongated, cylindrical, finger-shaped fruits |
| Fruit Color | Green, yellow, pink, red, purple, or other variety-dependent shades |
| Fruit Pulp | Small, juicy, caviar-like citrus pearls |
| Flavor | Refreshing, tangy citrus flavor |
| Flower Color | White to pale pink |
| USDA Hardiness Zones | Climate-dependent; generally suited to warm subtropical and tropical conditions |
| Planting Season | Warm, frost-free growing periods; avoid extreme heat and cold |
| Seed Starting | Use fresh, cleaned seeds and sow in a suitable moist, well-drained growing medium |
| Germination Time | Variable and potentially several months; germination can be slow and erratic |
| Germination Temperature | A consistently warm environment is recommended; an exact species-specific temperature is not established |
| Sunlight | Full sun to partial shade; afternoon protection can help in hotter climates |
| Soil Requirements | Fertile, organic-rich, slightly acidic, well-drained soil |
| Watering | Regular watering during establishment and active growth; avoid waterlogging |
| Mature Plant Size | Approximately 2–6 metres, depending on variety and growing conditions |
| Plant Spacing | Allow approximately 2–3 metres where growing as a full-sized garden shrub, adjusting for variety and pruning |
| Time to Fruiting | Seed-grown plants can take approximately 5–15 years to reach maturity |
| Primary Uses | Fresh eating, seafood garnishing, beverages, desserts, sauces, and ornamental gardening |
Discover the fascinating world of Australian Finger Lime and enjoy growing an unusual citrus plant with distinctive finger-shaped fruits and refreshing caviar-like juice pearls. Its attractive evergreen foliage, fragrant flowers, and culinary value make it an interesting addition to suitable home gardens and large containers. Provide fresh planting seeds, warm growing conditions, adequate sunlight, and well-drained soil to support healthy plant development. Start growing your own Finger Lime plant and experience this remarkable citrus species in your garden.
Explore helpful answers about Finger Lime seed germination, fruit production, growing conditions, and the unique uses of this Australian citrus plant.
Finger Lime seeds can germinate slowly and irregularly. Depending on seed freshness, viability, moisture, and growing conditions, germination may take several weeks or several months. Use fresh, cleaned seeds and maintain a consistently warm, lightly moist growing medium. Avoid excessive watering because waterlogged soil can damage developing seeds.
A Finger Lime tree grown from seeds is slow to mature and may take approximately 5–15 years to reach fruiting maturity. The actual time depends on genetics, climate, plant health, and growing conditions. Seed-grown plants may also produce fruits with characteristics different from their parent plant. Grafted Finger Lime trees generally produce fruit much earlier.
Yes. Finger Lime can be grown in a large container with suitable drainage, quality citrus potting mix, and sufficient sunlight. Choose a spacious pot that allows the roots to develop, and place it in a bright location with protection from extreme afternoon heat and strong winds. Regular watering, occasional citrus feeding, and pruning can help maintain a manageable plant size.