So you're just getting started exploring the fun world of kumquats? C'mon along, let's check out these cool varieties together:

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1. Meiwa (The Sweet One)

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Sweet Meiwa Kumquat | Source

Meiwa, or Fortunella crassifolia, is hands-down the sweetest variety of all the kumquats. The shape of its fruit is more round & up to 1.5 inches in diameter.

This variety flowers in the summer & bears fruits late in the winter. Thanks to its semi-dormant characteristic, the tree can withstand extreme temperatures below the freezing point.

The skin of meiwa is thick, oftentimes thicker than the nagami (another variety that we will see in just a moment).  

Meiwa flesh is sweet, light orange and has one or two seeds.

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Inside a meiwa kumquat | Source

You can eat the whole fruit or either the rind or flesh as you like.

And here's another one:

2. Nagami (The Sour One)

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Sour Nagami Kumquat Tree

Nagami, or Fortunella margarita, has sweet skin & sour juice. For folks who love a good balance of sweet-n-sour goodness, this is heaven.

To tell nagami from meiwa, you can look at the shape of the fruit. Nagami has a more oval shape (like an olive) while meiwa fruit is more round.

Like meiwa, this variety is ridiculously cold-hardy. It flowers from July to August & bears fruits in the late winter.

This is a prolific bearer that can give you fruits all year round. Kumquat fruits have tons of vitamins & can strengthen the immune system.

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Cross-section of an oval nagami kumquat

People usually use the nagami to make marmalade & jellies because of its natural tartness.

Found this short comparison video:

Meiwa vs nagami kumquat

3. Fukushu (The Thin Skin)

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Super thin skin Fukushu kumquat | Source

Fukushu, or Fortunella obovata, is a thin skin hybrid between two Fortunella species. Its fruits are larger than the other species we've seen.

Fukushu small form with spreading round leaves makes it a cute ornamental shrub. Like nagami, this baby has sweet edible peel with tart pulp.

In the summer, it blooms white, exquisitely fragrant flowers. The fruits ripen at year end. People also call this variety ChangShou kumquat. Fukushu is the Japanese & ChangShou is the Chinese name.

Fukushu can withstand temperatures as low as 28F on its own with little or no protection. Thus, making it a low-maintenance choice even for colder growing zones.  

Check out this little guy:

4. Golden Bean (The Smallest)

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Tiny Golden Bean kumquats

Golden Bean or Hong Kong kumquat (Fortunella hindsii) is the smallest one in our family. Their fruits rarely grow more than 1.5 inches in diameter.

This variety can be started from seeds more easily than the other ones. Their fruits have large seeds & little flesh, making them not highly edible.

You can grow Golden Beans indoors as an ornament or as a novelty.

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Hong Kong kumquat trees as indoor ornament | Source
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The Variety That You Like

The varieties that many folks hunt down for are the meiwa & nagami. Local grocery stores don't usually have these little treasures. And their prices are usually too darn expensive.

There's a reason folks call these "winter super fruit". In a little kumquat, there's only about 63 calories. With its low sugar content & amazing source of vitamin A, C, and fiber, this super-fruit can be enjoyed by everyone including Type 1 & Type 2 diabetics.

If you often forget the meiwa from the nagami (like us), just remember: Where's the dub (aka the W)? If there's a dub, then it's sWeet, so it must be meiWa. The other one (nagami) is sour. But if you don't like the tartness of nagami, just eat the sweet rind & squirt out the juice.

Hope this brief post was helpful to someone. We'll play around more with these citrus fruit trees. Come back often to check out more goodness. See y'all next time.

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