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Kumquat: planting, watering, and advice on caring for it


The kumquat is a citrus fruit whose berries are appreciated which are eaten directly with the skin.

In summary, what you need to know:

Last name : Fortunella japonica
Family : Rutaceae
Type : Fruit shrub

Foliage : Persistent
Height : 2 to 4 m

Exposure : Sunny -Harvest : November to January

Planting and repotting, maintenance, watering and pruning are all things that will help you to have a very nice kumquat.

Plant and repot a kumquat

Planting or repotting kumquat is one of the important steps in ensuring your plant a good recovery and growth throughout the seasons.

Kumquat in a pot:

It is recommended to plant kumquat in a potting mix, preferably enriched with fertilizer.

  • The pot must be hole at the bottom to prevent the roots from stagnating in the water.

Ideally, put a layer of gravel, clay balls or pebbles at the bottom of the pot to make sure that the excess water drains well to the bottom.
Allow a layer of 3 to 4 cm.

Plan a repotting in a pot of slightly larger diameter every 2 to 3 years.

  • Repotting is done in the spring or late summer.
  • Follow our advice for repot your kumquat well

Planting in the ground:

It will only grow in the ground in areas Mediterranean or tropical climate.
If it can withstand temperatures up to -8 see -10 °, it must necessarily be planted at theshelter from the wind and in full sun.

In this case, mix your garden soil with planting soil and make sure that your soil is well drained.
Otherwise, dig a slightly deeper hole and put a layer of pebbles, gravel, sand or clay balls at the bottom.

  • Multiplication of kumquat by layering.

Pruning and caring for kumquats

  • No pruning is really necessary.

To rebalance the silhouette of the kumquat, prune lightly in the spring after harvest or after repotting if it is in a pot.

You will be able add citrus fertilizer throughout the growth phase.

In winter, if you are worried about severe frost and it is in a pot, put it in a cool and bright room but where it can not freeze.
While kumquats are resistant to freezing temperatures, their fruits will fall from the first frost.

Watering the kumquat:

Indoors, water regularly, but not excessively as soon as the soil is dry.

In winter, space the watering a little more in order to let the earth dry in depth between 2 waterings.

All you need to know about kumquat

The kumquat is a small fruit shrub that gives edible fruits and all of which is edible.

We eat the flesh but also the skin of the kumquat.

Indoors and in pots, you will install it in a bright place, but avoiding the sun during the hottest hours.

In winter it needs a certain coolness and will not withstand the heat of a house or apartment. Find him a bright room where the temperature will not drop below 0 °.

Diseases of kumquat

Like most citrus fruits and houseplants, kumquat is prone to attack by mealybugs.

  • Mealybugs, whitish down on the foliage: how to fight?

Kumquats that stay green:

It is possible that the kumquat fruits will stay green and have trouble ripening.

Usually it is a lack of sunlight or too poor soil.

  • Bring him some citrus fertilizer
  • If it is in a pot, give it more sun

Smart tip

Regular intake of citrus fertilizer will enhance the flowering and fruiting of your kumquat.


  • Focus on citrus

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Video: DONT PRUNE YOUR CITRUS TREES like you do your Deciduous Fruit Trees! How to Prune Citrus (October 2020).