3 varieties to choose from:  
 
Meiwa (Fortunella crassifolia): Semi-dwarf growing up to 10-15ft. Skin is sweet so is the flesh. If you're into the sweet stuff, this is for you.
 
Nagamai (Fortunella margarita): Skin is tart/sour and flesh is sweet. Tree size is similar to that of Meiwa. If you like a combination of sweet and tart, this is the one for you.
 
Fukushu (Fortunella obovata): Largest fruit of them all. Skin is sweet and so is the flesh. Tree size is smaller to the other varieties reaching a height of up to 10ft. Very ornamental and a rare variety. This variety tends to be slightly more frost sensitive so make sure to protect it from frost in during winter.
 
-Full sun anywhere in the U.S. (Protect trunk from direct sun) This can be done by painting it or shading it.
 
-Frost protection required at temperatures in the 20F's. Mature trees will handle it better but younger trees may take damage and even die in a hard freeze especially Fukushu kumquat.
 
-Slow growing plant, expect the tree to take up to 1-2 years to establish itself in ground. Until then, no top growth is normal.
 
-Deep roots, water deeply as it gets older. Never keep wet, do let soil dry in between watering.
 
-They flower in the spring. These flowers are your fruits for the following season. Depending on temperatures, they can take up to 8-12 months to ripen.
 
-These are naturally shurbs not trees unless you prune as such. Keeping them as shrubs will yield more fruit.
 
-Water: Water frequently the first year in ground. Concentrate on the rootball only. Once tree is established in ground, you will need to deep water (Water slowly for longer periods of time but less often). Never keep citrus wet, over time this will hinder growth or even kill your plant.
 
-All you need to plant in ground is drainage. (Check out our drainage video for more details).
 
-It can be container grown due to its slow growth rate.