Genus Citrus are typically evergreen shrubs or trees, frequently spiny, with simple, leathery, aromatic leaves, usually with winged stalks, and often fragrant white or pink-tinged flowers, followed by large, juicy fruits . The fruit is small and usually spherical but can be oval shaped. Citrus japonica), sometimes spelled cumquat or comquot, is a small citrus fruit that grows in climates too cool for other citrus plants.The fruit is sweet and tart at the same time and is eaten without removing the peel. The Nagami Kumquat is a beautiful citrus tree that is covered each winter in a dense profusion of small orange fruits. The Nagami Kumquat (Fortunella margarita) is a fantastic little semi-dwarf with fruit that you can pick right off the tree and eat. The fruits on Meiwa Kumquat are also larger than Nordmann Kumquats. Loquat or Japanese plum, ... Kumquat, Fortunella spp., is the most cold-tolerant of the citrus we grow here. The round kumquat, Marumi kumquat or Morgani kumquat (retaining the name Citrus japonica or Fortunella japonica when kumquats are divided into multiple species), is an evergreen tree that produces edible golden-yellow fruit. A kumquat tree thrives in the heat and moisture and can survive in the cold, as long as it does not get below 18 degrees. Kumquat (Fortunella japonica syn. see more; Family Rutaceae . Kumquats are a native Chinese citrus known for their tart-sweet flavor and small, adorable size. It matures to about 8 feet tall and 6 to 8 feet wide. It grows into a very small tree, around 6 feet in height and so it is the first choice for growing citrus in pots if you live outside the hot regions where they can be grown outdoors. Meiwa Kumquat Citrus Tree. The key to any kumquat tree is watering at the appropriate time. They love full sun and are commonly found outside in USDA growing zones 8-11 but can be successfully grown in a containe… When to Water. Fruits can be eaten whole, skin and all! Meiwa Kumquat Citrus Tree, also known as the “sweet kumquat” is much sweeter than the more well known and commercially grown Nordmann Kumquat. The kumquat is a unique kind of citrus that doesnt need any peeling to enjoy, just eat the whole thing, skin and all! The kumquat is a drought tolerant, pest resistant and fairly easy to grow tree. This cold hardy variety is ideal for cooler climates and, when potted, for small outdoor spaces.