Begonia rex 'Montuno' – Hybrid Rex Begonia with Green-Yellow Foliage and Red Undersides


Begonia rex 'Montuno' is a striking rhizomatous hybrid that blends vibrant tones and contrasting textures. Its green to yellowish foliage carries irregular margins and a bold light green midrib, while the leaf undersides shine in deep red. The stems are light green and softly pubescent, adding a tactile quality to the plant. Compact yet eye-catching, 'Montuno' is a superb addition to any Begonia collection.
 
● Standout Traits of Begonia 'Montuno'


Leaf surface: Vibrant green-yellow with irregular edges and contrasting midrib
Underside: Deep red, creating a strong colour contrast
Stem texture: Light green, softly pubescent
Size indoors: Usually 20 – 30 cm tall and wide
 
● Botanical Background


Rex Begonias are derived from Begonia rex Putz., native to northeast India and southern China, where they grow in shaded, humid forests. 'Montuno' is a horticultural hybrid created for its unusual mix of green-yellow foliage with red undersides, offering a more vivid contrast than traditional painted-leaf Begonias.
 
● Care Guide for Begonia rex 'Montuno'


Light: Bright, indirect light keeps colours sharp; avoid direct midday sun
Watering: Keep soil evenly moist but not soggy; allow the surface to dry slightly before rewatering
Humidity: Performs best with 60%+ humidity to prevent crispy edges
Temperature: Thrives between 18 – 26 °C; sensitive to cold drafts
Soil: Light, airy substrate with organic matter and good drainage
Fertilization: Use diluted fertilizer every 3 – 4 weeks during active growth
 
● Growth Pattern and Seasonal Notes


'Montuno' maintains foliage year-round indoors but grows most vigorously during the warmer months. New leaves emerge regularly from rhizomes, displaying the striking two-tone effect of bright upper surfaces and dark undersides.
 
● Possible Issues and Fixes


Brown edges: Caused by low humidity or uneven watering
Pale colours: Sign of insufficient light; move closer to filtered brightness
Pests: Occasionally susceptible to mealybugs; inspect and treat promptly
 
● Questions About Begonia 'Montuno'


How tall does it get? Indoors, it remains compact at 20 – 30 cm, making it suitable for tabletops and shelving.
Can I propagate it? Yes, by rhizome division or leaf cuttings under high humidity conditions.
Is it pet safe? No, like all Begonias it contains oxalates and should be kept away from pets and children.
 
● Etymology of Begonia


The genus Begonia was named in the 18th century by Charles Plumier in honour of Michel Bégon (1638 – 1710), a French administrator and amateur botanist. 'Montuno' continues this tradition with its flamboyant hybrid foliage.
 
● Why Add Begonia 'Montuno' to Your Collection?


With vibrant green-yellow leaves, deep red undersides, and pubescent stems, Begonia rex 'Montuno' is a unique hybrid that adds both texture and contrast. Order today and bring this collector’s Begonia into your indoor garden.