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The Jiangsu Kumquat: Everything You Need to Know to Grow It Yourself

The Jiangsu kumquat, a hybrid variety of kumquat, brings a unique blend of flavors to the citrus family. Its sweet orange peel and tart pulp set it apart, making it an appealing choice for culinary uses.

Growing the Jiangsu kumquat offers an enriching experience for gardeners due to its specific cultivation needs and the reward of harvesting. Beyond the garden, the Jiangsu kumquat finds its way into numerous dishes, through both cooking and raw preparations, and is frequently celebrated for the complex flavor it contributes.

Jiangsu Kumquat

Key Takeaways

  • The Jiangsu kumquat is a hybrid citrus fruit known for its sweet peel and tart pulp.
  • It is larger than other kumquat varieties and favored for its unique flavor profile.
  • This kumquat variety is both a delight for gardeners to cultivate and a versatile ingredient in cooking.

Identification and Characteristics of Jiangsu Kumquat

In exploring the Jiangsu Kumquat, it is integral to understand its botanical classification and its distinctive physical traits. This succulent fruit is not just a delight to the palate but also a visual and olfactory pleasure, with its vibrant color and aromatic blooms.

Botanical Profile

Scientific Name: Fortunella japonica ‘Jiangsu’ Family: Rutaceae Related Species:

  • Fortunella margarita (Nagami Kumquat)
  • Fortunella japonica (Marumi Kumquat)
  • Fortunella crassifolia (Meiwa Kumquat)
  • Fortunella hindsii (Hong Kong Kumquat)

The Jiangsu Kumquat, sometimes referred to as the Fukushu Kumquat, falls under the genus Fortunella. This genus is now often included within the genus Citrus and is closely related to other kumquat varieties. Originating in China, the Jiangsu Kumquat is a part of the broad Citrus family, known as Rutaceae, which translates to a kinship shared with lemons, oranges, and similar citrus fruits.

Physical Description


  • Shape: Bell-shaped fruit
  • Size: Typically 1 to 2 inches
  • Color: Bright orange when ripe
  • Texture: Thin and edible rind, offering a sweet yet tangy flavor profile

Leaf and Flower Characteristics:

  • Leaves: Dark green, glossy, and round in shape
  • Flowers: Produces small, white, fragrant flowers during the summer

The skin of the Jiangsu Kumquat is notably thin and delicate, contributing to the fruit’s overall exquisite texture. Unlike many other citrus fruits, the entire kumquat, including its peel, is edible. The pulp contains seeds which can be easily removed. The contrast between the bright orange fruit and the robust greenery of its foliage makes the Jiangsu Kumquat not only a culinary asset but also an ornamentally appreciated plant.

Cultivation and Uses

The Jiangsu Kumquat is a delightful citrus fruit known for its sweet and tart flavor profile. The fruit’s successful cultivation promises yields of nutrient-rich, edible fruit that can be enjoyed in various culinary applications.

Growing Jiangsu Kumquat

Jiangsu kumquats thrive in warm, frost-free climates and do well in containers, making them suitable for indoor and outdoor cultivation. For optimal growth, plant the seeds in well-draining soil and ensure consistent watering without over-saturating the roots. This hybrid citrus fruit favors sunny locations, but young plants must be protected from intense direct sunlight. Kumquats are generally more cold-hardy than other citrus fruits, but they still require protection from frost.

Harvesting and Storage

Kumquats typically ripen from late fall to winter. When harvesting, look for a deep orange color as an indicator of ripeness. These fruits can be hand-picked directly from the tree. After harvesting, kumquats can be stored at room temperature for a few days or refrigerated to extend their shelf life for up to two weeks.

Culinary Applications

The Jiangsu kumquat is versatile in the kitchen. It can be eaten whole, including the peel, which is sweet and aromatic. These kumquats are used in marmalade, juice, tea, and gin, and candied peels are a popular treat. Cooking with kumquats can add a zestful flavor to sweet and savory dishes, complementing ingredients like mandarin oranges.

Health Benefits

The edible fruit packs a nutritious punch, being rich in Vitamin C, fiber, and potassium. It contains low levels of sodium, sugar, and fat while providing a good source of Vitamin A and iron. Regular consumption can contribute to overall health, supporting immune function and aiding digestion.

Kumquat Slices

Frequently Asked Questions

How does the taste of Jiangsu kumquat compare to other kumquat varieties?

The Jiangsu kumquat, or Fukushu kumquat, offers a unique flavor profile that is typically sweeter and less tart compared to other varieties, making it a preferred choice for fresh consumption.

What are some popular recipes that include Jiangsu kumquat?

Recipes often feature Jiangsu kumquats in marmalades, preserves, and as a candied fruit because of their sweet flavor. They are also used as a vibrant addition to salads and baked goods.

What factors contribute to the cost of kumquats in the market?

The price of kumquats is influenced by factors such as seasonal availability, import costs for regions where they are not locally grown, and the labor-intensive nature of their cultivation and harvest.

Jiangsu Kumquat Plant

Grow Your Own Jiangsu Kumquat Today

Jiangsu kumquat has long been a healthy, tasty addition to diets around the world, and it’s time they are better recognized in the United States!

Excited for more kumquat content? Check out our kumquat trees page to learn more about this funky little citrus!