Rex Begonia 'Rex Cultivar'
Transform your space with the living art of the Rex Begonia. Each leaf is a masterpiece of nature, painted with electrifying colors and patterns that command attention. Sourced from top Dutch growers, our Rex Begonias are lush, healthy, and ready to bring a touch of the exotic to your desk, living room, or reception area. It's more than a plant—it's a conversation starter. Order yours today and own the king of foliage.
1. Basic Identification
Common Name: Rex Begonia / Painted-Leaf Begonia / King Begonia
Botanical Name: Begonia rex-cultorum
Arabic Name: بكونيا
Family: Begoniaceae
2. Taxonomy & Classification
Kingdom: Plantae
Order: Cucurbitales
Genus: Begonia
Section: Gireoudia
Cultivar Group: Rex Cultorum (Rhizomatous Begonias)
3. Origin & Distribution
Begonia rex is native to northern India (Assam) and surrounding regions of Southeast Asia. The modern Rex Cultorum varieties are hybrids developed globally, primarily in Europe and North America, for their ornamental foliage.
4. Visual Characteristics
Rex Begonias are celebrated for their large, asymmetrical leaves that feature intricate patterns of metallic silver, deep burgundy, vibrant pink, and emerald green. The leaves often have a velvety or textured surface with distinct veins. While they do produce small pink or white flowers, they are primarily grown for their dramatic, multicolored foliage.
5. Size & Dimensions
Typically reaches a height and spread of 12 to 18 inches (30–45 cm). Its compact, bushy growth habit makes it an ideal choice for tabletops and desktops.
6. Light Requirements
Requires bright, indirect light to maintain its vibrant leaf colors. Avoid direct sunlight, which can easily scorch the thin, delicate leaves. It can tolerate medium light but may lose some color intensity.
7. Watering Needs
Keep the soil consistently moist but never waterlogged. Water when the top inch of soil feels dry to the touch. It is crucial to avoid getting water directly on the leaves, as this can lead to fungal diseases or leaf rot.
8. Soil & Potting
Prefers a light, well-draining potting mix rich in organic matter. A peat-based mix with added perlite or vermiculite is ideal for maintaining moisture while ensuring proper aeration for the rhizomatous roots.
9. Temperature & Humidity
Thrives in temperatures between 15°C and 24°C (60°F–75°F). High humidity (50% or higher) is essential for preventing leaf browning. Use a humidifier or pebble tray rather than misting to boost humidity.
10. Fertilization
Apply a balanced, water-soluble fertilizer at half-strength every two to four weeks during the active growing season (spring and summer). Reduce fertilization in winter.
11. Maintenance & Care Level
Care Level: Intermediate. This plant requires consistent attention to humidity levels and watering schedules to prevent common foliage issues.
12. Growth & Propagation
Moderate growth rate. Propagation is most commonly achieved through leaf cuttings (vein cutting method) or by dividing the rhizome during repotting.
13. Common Problems
Susceptible to powdery mildew and botrytis (gray mold) if humidity is high but airflow is poor. Overwatering can lead to rhizome rot. Common pests include mealybugs and spider mites.
14. Benefits & Uses
Highly effective as an air-purifying plant that removes toxins from indoor environments. It is a popular choice for home décor, office desks, and as a centerpiece in terrariums due to its striking visual appeal.
15. Toxicity & Safety
Toxic to pets (dogs, cats, and horses) as it contains calcium oxalates, which can cause oral irritation, vomiting, and difficulty swallowing. It is also considered unsafe for human consumption.
Rex Begonia 'Rex Cultivar'
Transform your space with the living art of the Rex Begonia. Each leaf is a masterpiece of nature, painted with electrifying colors and patterns that command attention. Sourced from top Dutch growers, our Rex Begonias are lush, healthy, and ready to bring a touch of the exotic to your desk, living room, or reception area. It's more than a plant—it's a conversation starter. Order yours today and own the king of foliage.
1. Basic Identification
Common Name: Rex Begonia / Painted-Leaf Begonia / King Begonia
Botanical Name: Begonia rex-cultorum
Arabic Name: بكونيا
Family: Begoniaceae
2. Taxonomy & Classification
Kingdom: Plantae
Order: Cucurbitales
Genus: Begonia
Section: Gireoudia
Cultivar Group: Rex Cultorum (Rhizomatous Begonias)
3. Origin & Distribution
Begonia rex is native to northern India (Assam) and surrounding regions of Southeast Asia. The modern Rex Cultorum varieties are hybrids developed globally, primarily in Europe and North America, for their ornamental foliage.
4. Visual Characteristics
Rex Begonias are celebrated for their large, asymmetrical leaves that feature intricate patterns of metallic silver, deep burgundy, vibrant pink, and emerald green. The leaves often have a velvety or textured surface with distinct veins. While they do produce small pink or white flowers, they are primarily grown for their dramatic, multicolored foliage.
5. Size & Dimensions
Typically reaches a height and spread of 12 to 18 inches (30–45 cm). Its compact, bushy growth habit makes it an ideal choice for tabletops and desktops.
6. Light Requirements
Requires bright, indirect light to maintain its vibrant leaf colors. Avoid direct sunlight, which can easily scorch the thin, delicate leaves. It can tolerate medium light but may lose some color intensity.
7. Watering Needs
Keep the soil consistently moist but never waterlogged. Water when the top inch of soil feels dry to the touch. It is crucial to avoid getting water directly on the leaves, as this can lead to fungal diseases or leaf rot.
8. Soil & Potting
Prefers a light, well-draining potting mix rich in organic matter. A peat-based mix with added perlite or vermiculite is ideal for maintaining moisture while ensuring proper aeration for the rhizomatous roots.
9. Temperature & Humidity
Thrives in temperatures between 15°C and 24°C (60°F–75°F). High humidity (50% or higher) is essential for preventing leaf browning. Use a humidifier or pebble tray rather than misting to boost humidity.
10. Fertilization
Apply a balanced, water-soluble fertilizer at half-strength every two to four weeks during the active growing season (spring and summer). Reduce fertilization in winter.
11. Maintenance & Care Level
Care Level: Intermediate. This plant requires consistent attention to humidity levels and watering schedules to prevent common foliage issues.
12. Growth & Propagation
Moderate growth rate. Propagation is most commonly achieved through leaf cuttings (vein cutting method) or by dividing the rhizome during repotting.
13. Common Problems
Susceptible to powdery mildew and botrytis (gray mold) if humidity is high but airflow is poor. Overwatering can lead to rhizome rot. Common pests include mealybugs and spider mites.
14. Benefits & Uses
Highly effective as an air-purifying plant that removes toxins from indoor environments. It is a popular choice for home décor, office desks, and as a centerpiece in terrariums due to its striking visual appeal.
15. Toxicity & Safety
Toxic to pets (dogs, cats, and horses) as it contains calcium oxalates, which can cause oral irritation, vomiting, and difficulty swallowing. It is also considered unsafe for human consumption.

