Kumquat [Citrus japonica]

Citrus japonica

The Kumquat Tree is a small, evergreen tree that produces small, oval-shaped fruits with a sweet-tart flavor. It is native to China and Southeast Asia but has since been introduced to many other regions of the world. This tree is popular for its unique fruit and ornamental qualities.

Closeup of kumquat on the plant

Kumquat [Citrus japonica] Overview

Botanical Name: Citrus japonica

Common Name: Kumquat 

Plant Type:  

Bloom Time:  Spring, Summer, Fall 

Hardiness Zones: 8, 9, 10, 11, 12 



Flower Color: White 

Planting Place: Patio and Containers 

Watering can with flowers.
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Closeup of kumquat on the plant

Appearance and Characteristics

The Kumquat Tree typically grows up to 6-10 feet tall and has dark green, glossy leaves. It produces small, orange fruits that resemble miniature oranges. These fruits are edible, with the peel being sweet and the flesh having a tart flavor. The tree also produces fragrant white flowers in the spring.

Varieties and Growing Conditions

There are several varieties of Kumquat Trees available, including the Nagami, Meiwa, and Marumi. The Nagami Kumquat is the most common variety and produces oblong-shaped fruits, while the Meiwa has round fruits with a sweeter taste. The Marumi is smaller in size and has round fruits with a unique sweet-tart flavor.

Kumquat Trees thrive in warm, tropical climates but can also be grown in temperate regions with some protection from frost. They prefer well-draining, slightly acidic soil and require regular watering to keep the soil consistently moist.

Care and Maintenance

Kumquat Trees are relatively low maintenance once established, but here are a few tips for keeping them healthy:

  • Light: These trees prefer full sun but can tolerate some shade.
  • Water: Keep the soil consistently moist but not waterlogged.
  • Fertilizer: Fertilize in the spring and summer with a balanced fertilizer. Avoid fertilizing during the winter months.
  • Pruning: Regular pruning can help maintain the tree’s shape and promote fruit production. Prune in late winter or early spring before new growth appears.

Ornamental Uses

Aside from its delicious fruit, the Kumquat Tree is also popular for its ornamental qualities. Its compact size and attractive foliage make it a great choice for growing in containers or as a small accent tree in gardens. In addition, the tree’s fragrant white flowers and colorful fruits add beauty to any landscape.

Alternatives to Kumquat [Citrus japonica]

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