Begonia Amphioxus
Begonia,  Plant Care

Begonia Amphioxus

Welcome to out guide to begonia amphioxus care and propagation. The begonia amphioxus is really fussy when it comes to humidity and cold shocks, so you’ll want to keep it in a plant cabinet or jar…

Begonia Amphioxus Summary

Light needs:Bright indirect sunlight.
Watering needs:Water when the top third of the soil has dried out. Check three times a week in warmer months, once a week in colder months.
Fertilizer:Use a balanced feed, well diluted each month except in winter.
Soil:A well draining but rich potting compost.
Temperature:10°C-30°C (50-86°F).
Where to buy:Try our list of Rare Plant Shops or Etsy.
Other names:Pink Spotted Begonia
Common issues:Leaf drop from change in environment.


Humidity, humidity, humidity! And a stable environment! Are the key to Begonia Amphioxus care. Grow them in a jar, terrarium or plant cabinet to maintain humidity and stability.

See also: Begonia Maculata, How To Propagate Begonia Maculata, Begonia Escargot, Care For Begonia Rex, Beefsteak Begonia, Begonia Elatior, Begonia Pavonina, Begonia Darthvaderiana, Begonia Tuberhybrida, Begonia Boliviensis.

Tip: we recommend Etsy for buying plants. Look for the best rated seller you can, and try to buy as close to your home as possible so the plant does not travel too far.

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Begonia Amphioxus Light Needs

Bright indirect sunlight is ideal. No direct though, it will burn the leaves.

How Often To Water

Check the soil with your finger three times a week in the warmer months and once a week in the colder months. Water it when the top third of the soil has dried out. They want to be kept moist.


Use a balanced feed, well diluted each month except in winter. They will grow fine if you don’t feed them, but can grow fuller and faster if you do.


A well draining but rich potting compost is ideal. They like the ph to be slightly acidic. The soil should not be waterlogged, so you want a well draining compost.

When To Repot

Repot them up one size when the roots start to get crowded. Check them in spring so you can pot them up to give them space to grow in the warmer growing months.

Begonia Amphioxus leaf close up
Begonia Amphioxus leaf close up

Begonia Amphioxus Humidity

They like humidity, you need to up it around the plant. Use a pebble tray or mister and aim for 60-80%, or even higher. Keep the plant in plant case or tank if you can, to keep the humidity high. It will also the environment from changing quickly, which can cause the dreaded leaf drop you get from these plants.


10°C-30°C (50-86°F) is ideal. Aim for the middle of this range and try not to let the temperature drop suddenly if you can as it can lead to leaf drop. This is a plant that likes consistency, so try to avoid big drops in temperatures.

For more on begonias see our begonia category with all our care guides.

Begonia Amphioxus USDA Zone

Zones 11-12

Begonia Amphioxus Terrarium

A begonia amphioxus is ideal for a terrarium. Although not an easy plant to look after it’s humidity needs and fussiness are easier to control in a fixed environment like a tank or jar. Even if you do not use a closed terrarium, standing your plant in a big glass vase can help to control the local environment enough to keep the plant healthy.

How Do You Propagate Begonia Amphioxus?

The best way to propagate a begonia amphioxus is to take a stem cutting, then leave it to callous over for an hour or so, then plant it up in the soil next to the mother plant. The reason for this is you want to give it the exact same conditions as the mother plant as they are quite fussy if given a change in environment. It should root within a month or so and start to put out new growth inside 2 or 3 months.

Is It Toxic To Cats?

They are poisonous to cats and dogs if eaten, sometimes seriously so. Seek vets advice if you think your pet has eaten any.

Where To Buy

Try our list of Rare Plant Shops. Or Etsy.

Other Names

Pink Spotted Begonia.

FAQs And Common Problems

Begonia Amphioxus Losing Leaves

A common issue with the begonia amphioxus is falling leaves, they drop off when the plant is shocked, which happens fairly easily with plants like begonias. Cold drafts, and changes to their environment are the main cause for this. Try to maintain as constant an environment as you can and don’t let them get too close to cold drafts or open windows when the temperature drops.

Can They Grow In Leca?

Begonia Amphioxus can row in leca quite well, I would water propagate a cutting first and move it there once rooted, you’ll have more success than transition a plant from soil, although that can be done.

Additional Resources


Other begonia pages: Begonia Pavonina, Begonia Boliviensis, Begonia Escargot, Beefsteak Begonia, Begonia Elatior, Begonia Darthvaderiana, Begonia Tuberhybrida, Care For Begonia Rex, Begonia Maculata.

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Begonia Amphioxus
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