Light
Bright indirect • approx. 10,000–20,000 lux
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Begoniaceae
Begonia masoniana 'Iron Cross'
- Curated selection:
Every plant is hand‑picked for health and visual appeal, so you receive a strong, well‑established plant.
- Representative photos:
Product images show a typical plant of this variety. Natural differences in leaf number, shape or variegation are normal, your plant will still match in type and quality.
- Size details:
Listed sizes refer to pot diameter (cm) and approximate overall height (cm) from the base of the pot to the tallest leaf or stem.
- “Get What You See” items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
One‑off photos are only provided when this is explicitly mentioned in the size section. - For special traits or small quirks, please check the full product description.
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Your new plant has just travelled a long way and needs a calm start in its new home. For step-by-step unboxing and first-week care, check our after-delivery care guide. For deeper tips on how your plant settles in over the next weeks, read our houseplant acclimatization guide.
- Care basics , Main hub with links to all houseplant care guides.
- After delivery & first week , Unpacking, first placement, and early recovery.
- Light, How much light houseplants really need indoors.
- Watering , When to water and how to avoid root rot.
- Substrates & roots, Potting mixes and drainage for strong root systems.
- Humidity, When humidity matters and what actually helps.
- Fertilizing, Simple feeding routine without burning roots.
- Problems & pests, Yellow leaves, brown tips, bugs, and fixes that work.
- Semi-hydro, How to run low-maintenance mineral substrates.
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Begonia masoniana 'Iron Cross'
Quick Care Guide
Watering
Water when ~25–40% dry
Substrate
Fine but airy • Moisture-buffered • Balanced • Fine
Temperature
Ideal: 18–24 °C • Avoid below: 13 °C
Humidity
Humid 60–80 % +
Growth habit
Rhizomatous clumping herbaceous perennial.
Support
not needed
Growth speed
Average
Max size indoors
Max. height: 50 cm • Max. spread: 50 cm
Toxicity & safety
Toxic
Origin & habitat
Cultivar of Begonia masoniana; species native from China to Vietnam
Outdoor growing
Outside from 15 °C · sheltered spot
How to read these values
These care values are quick reference points for indoor growing. Use them as a guide, then adjust for pot size, substrate, temperature and how quickly the substrate dries.
For more detail, read the full product description or visit our Plant Care Guides.
- Light: level and approximate lux at leaf level.
- Watering: “% dry” shows how far the substrate should dry before watering again.
- Substrate: structure, drainage, moisture retention, base material and particle size.
- Temperature: “Ideal” shows the preferred range; “Avoid below” marks the cold-stress threshold.
- Humidity: target range; steady conditions usually matter more than exact numbers.
- Growth habit: how the plant grows, such as upright, climbing, trailing, clumping or rosette-forming.
- Support: whether a stake, pole or trellis is needed, optional or unnecessary.
- Growth speed: expected pace under suitable indoor conditions; use as a guide, not a promise.
- Max size indoors: realistic long-term indoor size under good conditions.
- Toxicity & safety: irritation, toxicity or physical hazards such as spines or bristles.
- Origin & habitat: native range, hybrid background or typical habitat where relevant.
- Outdoor growing: when a potted indoor plant can be placed outside and what outdoor protection it needs.
Begonia masoniana 'Iron Cross' – Classic Foliage Begonia with Textured Leaves and Dark Cross Pattern
Begonia masoniana 'Iron Cross' is the most iconic cultivar of this Chinese species, named for the bold dark cross that marks the center of its puckered, light green leaves. This rhizomatous Begonia forms compact clumps of textured foliage covered in tiny hairs that catch the light, giving each leaf a unique sheen. Alongside its striking foliage, it occasionally produces clusters of small greenish-white flowers, adding another delicate feature to this highly collectable plant.
What Makes Begonia 'Iron Cross' Special
- Leaf pattern: Distinctive dark “iron cross” marking over pale green blades
- Texture: Puckered, pubescent leaves with a natural glossy sheen
- Growth style: Rhizomatous clumps, compact and manageable indoors
- Flowers: Occasional greenish-white blooms
Background and Native Context
Begonia masoniana was first described from southern China and northern Vietnam, where it grows in shaded, humid forest habitats. The cultivar 'Iron Cross' quickly gained popularity in horticulture for its distinctive foliage markings, making it one of the most widely recognised Begonia varieties worldwide.
Care Guide for Begonia masoniana 'Iron Cross'
- Light: Bright, indirect light highlights the leaf markings; avoid harsh sun
- Watering: Keep soil evenly moist; allow the surface to dry slightly between waterings
- Humidity: Benefits from 60%+ humidity for best leaf health
- Temperature: Ideal at 18 – 26 °C; sensitive to drafts and cold
- Soil: Airy, organic-rich substrate with good drainage
- Fertilization: Diluted balanced fertilizer every 3 – 4 weeks in active growth
Growth and Seasonal Notes
'Iron Cross' keeps its foliage indoors year-round, with new leaves emerging regularly from rhizomes. Growth may slow during winter, but resumes strongly under spring warmth and steady humidity.
Common Issues and Remedies
- Brown leaf edges: Caused by low humidity or irregular watering
- Faded markings: Usually linked to insufficient light; move closer to filtered brightness
- Pests: Occasionally affected by mealybugs or spider mites; inspect and treat early
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. The epithet masoniana recognises Benjamin Mason, an English horticulturist. 'Iron Cross' remains the most popular cultivar, known worldwide for its distinctive foliage.
Why Add Begonia 'Iron Cross' to Your Collection?
With its textured green leaves, bold dark cross, and occasional delicate flowers, Begonia masoniana 'Iron Cross' is a true classic. Order today and let this iconic cultivar bring structure and character to your indoor collection.
Plant names, growth habits, natural habitats and indoor care guidance are checked against trusted botanical, habitat and horticultural references before publication.View our plant care resources and references.
FAQs about Begonia masoniana 'Iron Cross'
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