Question 1

Why are my Rex Begonia leaves losing their vibrant color?

Accepted Answer

Loss of vibrant leaf color often indicates too much direct sunlight, which can bleach the leaves, or a nutrient deficiency. Move the plant to a location with bright, indirect light and ensure a consistent feeding schedule during the growing season.

Question 2

How can I propagate a Rex Begonia?

Accepted Answer

Rex Begonias are easily propagated from leaf or stem cuttings. For leaf cuttings, place a healthy leaf with a short petiole into moist potting mix or water. Stem cuttings should have a few nodes and be rooted in a similar manner, ideally with high humidity.

Question 3

What is the ideal soil mix for Rex Begonias?

Accepted Answer

Rex Begonias thrive in a well-draining, rich, and slightly acidic potting mix. A good blend often includes peat moss, perlite, and a small amount of compost to provide both drainage and nutrient retention.

Question 4

Is Rex Begonia safe to have around pets?

Accepted Answer

No, Rex Begonias are considered toxic to pets, including cats and dogs. They contain calcium oxalates, which can cause oral irritation, burning, swelling of the mouth, tongue, and lips, excessive drooling, vomiting, and difficulty swallowing if ingested.

Question 5

Why are the edges of my Rex Begonia leaves turning brown and crispy?

Accepted Answer

Brown and crispy leaf edges typically indicate low humidity or inconsistent watering. Rex Begonias prefer high humidity, so consider misting, using a pebble tray, or a humidifier. Ensure the soil remains consistently moist but not waterlogged.

king begonia (Begonia rex)

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