Begonia masoniana
A compact rhizomatous evergreen perennial with large apple-green leaves bearing a cross-shaped dark chocolate-brown pattern, thriving in bright indirect light and cool, evenly moist conditions.
Common Names
Iron Cross Begonia
Summary
Iron Cross Begonia is a rhizomatous evergreen perennial native to southern China and northern Vietnam. It features large, asymmetrical, rough-textured green leaves with a cross-shaped dark brown center, and small white flowers in erect panicles; the plant is cultivated mainly for foliage and reaches about 0.3–0.6 m tall and 0.3–0.5 m wide.
In cultivation it prefers bright indirect light, avoids harsh direct sun, and grows best in a well-draining, moist soil; water when the surface dries and keep humidity around 50% or higher; temperatures range from 18–24°C; repot every 1–2 years; fertilize monthly at half strength with a balanced fertilizer; propagate by leaf cuttings or division; pests such as mealybugs, aphids, and spider mites may occur; commonly grown as a houseplant or under glass in frost-free environments and is toxic if ingested.
Lifecycle
Perennial
Height
1-1.5 feet
Spread
12-18 inches
Hardiness Zones
Zones 11-12
Sunlight Requirements
Ideally partial shade (dappled light/bright shade; no direct sun).
Soil Type
Well-drained, porous soil with slight acidity (pH 5.5–6.5), often peat-based or African Violet potting mix.
Soil Drainage
Well-drained soil.
Soil pH
5.5–6.5, Slightly acidic to neutral
Bloom Color
Insignificant
Bloom Time
Spring to Summer
Foliage Color
Green
Fall Foliage Color
Brown and Green
Leaf Lifecycle
Evergreen broadleaf
Growth Rate
Slow
Seasons of Interest
Spring and Summer
Propagation Methods
Seeds, Leaf cuttings, Stem cuttings, Rhizome cuttings, Division (root or rhizome)
Attracts Wildlife
Attracts bees and other pollinating insects
Taxonomy
- Taxonomic Rank
- Species
- Author
- Irmsch. ex Ziesenh.
- Publication
- Begonian 38 (3): 52. (1971)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Cucurbitales
- Family
- Begoniaceae
- Genus
- Begonia
- Section
- Begonia sect. Coelocentrum