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Ficus retusa, proper care for this ideal bonsai

ficus retusa

Ficus retusa is one of the trees most often used to grow bonsai.

Key facts about Ficus retusa

NameFicus retusa
Family – Moraceae (mulberry family)
Type – indoor plant, bonsai

Height – 16 to 32 inches (40 to 80 cm)
Soil – indoor plant soil mix, well drained
Care – easy

Exposure – indirect light  – Foliage – evergreen – Watering – moderate

It can be distinguished from Ficus benjamina thanks to its thicker leaves. Often mistaken for Ficus ginseng, even in horticulture stores.

Caring for Ficus retusa

Ficus retusa care

Caring for a Ficus retusa bonsai

Ficus retusa, although easy to care for, demands a bit of attention in order for it to grow in the best growing environment.

  • Ficus retusa thrives particularly well indoors when the temperature stays from 60 to 75°F (15 to 25°C).
  • As early as May, after any risk of freezing has disappeared, you can bring your Ficus retusa out to let it taste a bit of fresh air.
  • It loves having good light but not direct sunlight.
  • It fears drafty spots.
  • Ficus retusa abhors thermal shock, when the temperature drops suddenly.
  • Repotting every 2 years in spring is almost mandatory.

Watering Ficus retusa

Ficus retusa doesn’t require abundant watering, and it mustn’t be watered too often, either…

It is even important to let the soil dry up in the surface before watering again.

  • In summer, it is often necessary to water a bit more, especially if you place it outside.
  • Ficus retusa doesn’t like it when water stagnates around the roots, so avoid collecting excess water in a saucer, or ensure that it stays dry.

Ficus retusa loves it when air moisture is high.

  • You can mist the leaves several times a week with soft water, especially in winter.
  • You can rest the pot of your Ficus retusa on a tray of clay pebbles full of water, without having the pot touch the water itself.

Finally, note that your ficus retusa will appreciate having its leaves cleaned often with a rag or a moist paper towel.

Pruning Ficus retusa

Here are the tips on how to prune your Ficus retusa into a bonsai.

Pruning ficus retusaSnip new shoots off as they appear, for the original shape to be preserved or to make it evolve to the shape you would like it to take.

  • Prune preferably in spring on the growth of the previous year.
  • Ficus retusa is a shrub that can bear pruning well, including heavy pruning.
  • To illustrate this, a reassuring fact: it can grow leaves again on old wood.

Ficus retusa diseases

Ficus retusa is quite resistant to most diseases, fungus and parasites. Nonetheless, occasional issues may arise.

Your Ficus retusa is losing its leaves

It might be that your Ficus retusa is drowning in excess water, that it lacks environmental moisture or light.

Note that being placed in a drafty area can lead to partial or complete leaf loss.

  • Ensure that you only water when the soil is dry.
  • Spray water on leaves regularly.

Ficus retusa full of tiny webs and red spiders

Whitish, sticky blobs on leaves and branches

This is usually due to mealybugs or scale insects to which the Ficus retusa is very vulnerable, especially indoors.

Learn more about Ficus retusa

Ficus retusa foliageFicus retusa is one of the rare tree species that is able to grow indoors as well as outdoors. This is also the reason why it is one of the most common bonsai trees.

Its small size and thick trunk make it a very decorative plant, ideal for modern designer homes.

Although the true Ficus retusa tree mostly grows in the wild in South-East Asia, sometimes Ficus retusa branches are grafted to Ficus microcarpa to produce a type of Ficus ginseng. That’s why the name seems so familiar to many plant lovers across the world.

Usually, original Ficus retusa leaves tend to be larger and longer that those of Ficus microcarpa varieties. Ficus retusa leaves are up to 4 to 6 inches (10 to 15 cm) long in a healthy setting, whereas Ficus microcarpa leaves never exceed 4 inches (10cm). However, identification is sometimes tricky because growing plants as bonsai often makes leaves grow smaller than they normally would.

The ficus tree that has leaves that most resemble those of Ficus retusa is the common weeping fig, Ficus benjamina. One way to tell them apart is that the weeping fig has thinner leaves. Also, the bearing is different: ficus retusa won’t droop and “weep” as its cousin does!

Read also:

Smart tip about Ficus retusa

Ficus retusa will appreciate spending the winter in a cooler spot, ideally around 60°F (15°C).

Images: CC BY 2.0: Ron Frazier, CC BY-SA 2.0: Chris Isherwood; Pixabay: delo
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