Light
Bright indirect • ≈ 10–20k lux • Grow light target: DLI 6–12



VAT included · plus
Quick overview of our standard shipping rates, free-shipping thresholds and typical transit times for the countries we currently serve. Remote-area surcharges for certain postcodes are added automatically at checkout where applicable.
For full details, winter shipping rules and packaging information, please visit our Shipping & Delivery page.
| Country | Shipping | Free from | Transit time |
|---|---|---|---|
| Austria | € 12.95 | € 100 | 2–4 working days |
| Belgium | € 8.95 | € 100 | 1–2 working days |
| Bulgaria | € 21.95 | € 300 | 5–7 working days |
| Croatia | € 29.95 | € 300 | 5–7 working days |
| Cyprus (²) | € 39.95 | No free shipping | 5–7 working days |
| Czechia | € 16.95 | € 150 | 2–4 working days |
| Denmark (¹) | € 16.95 | € 150 | 2–4 working days |
| Estonia | € 18.95 | € 200 | 2–4 working days |
| Finland | € 29.95 | € 300 | 5–7 working days |
| France (¹) | € 12.95 | € 100 | 2–4 working days |
| Germany | € 8.95 | € 70 | 1–2 working days |
| Greece (¹²) | € 29.95 | € 300 | 5–7 working days |
| Hungary | € 18.95 | € 200 | 2–4 working days |
| Ireland | € 14.95 | € 150 | 2–4 working days |
| Italy (¹) | € 14.95 | € 150 | 2–4 working days |
| Latvia | € 18.95 | € 200 | 5–7 working days |
| Lithuania | € 18.95 | € 200 | 2–4 working days |
| Luxembourg | € 12.95 | € 100 | 1–2 working days |
| Malta (²) | € 39.95 | No free shipping | 5–7 working days |
| Netherlands | € 8.95 | € 100 | 1–2 working days |
| Norway (³) | € 21.95 | € 300 | 5–7 working days |
| Poland | € 12.95 | € 100 | 2–4 working days |
| Portugal (¹) | € 14.95 | € 150 | 2–4 working days |
| Romania | € 21.95 | € 300 | 5–7 working days |
| Slovakia | € 18.95 | € 200 | 5–7 working days |
| Slovenia | € 18.95 | € 200 | 5–7 working days |
| Spain (¹) | € 12.95 | € 100 | 2–4 working days |
| Sweden | € 18.95 | € 200 | 2–4 working days |
| Switzerland | € 29.95 | € 300 | 5–7 working days |
| United Kingdom (¹³) | € 18.95 | € 200 | 5–7 working days |
Secure shipping – carefully packed orders with safe delivery across the EU, UK and Switzerland.
28-day plant guarantee – if a plant arrives damaged or fails soon after delivery, we help you make it right.
Free returns – simple, cost-free returns according to our policy.
For full details, please see:
Light
Bright indirect • ≈ 10–20k lux • Grow light target: DLI 6–12
Watering
Water when ~25–40% dry
Potting mix
Fine but airy • Moisture-buffered • Balanced • Fine
Temperature
Ideal: 18–24 °C • Avoid below: 10 °C
Growth habit
rhizomatous creeping herb
Support
none
Growth speed
Slow
Max size indoors
Max. height: 25 cm • Max. spread: 25 cm
Toxicity & safety
Toxic
Origin & habitat
Cultivated Begonia sp.; cultivated
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.
Begonia sp. U192 'Martin's Mystery' is a mysterious, rhizomatous hybrid known for its bold contrast and refined growth habit. Each leaf is asymmetrical and slightly rounded, with deep burgundy to dark green hues, overlaid by bright silver speckles or stripes that shift subtly depending on humidity and angle. The foliage shimmers under light, especially when humidity is kept high.
This Begonia grows from a shallow rhizome, forming a dense, mounded shape. It stays small and well-behaved, making it an ideal choice for plant cabinets, terrariums, or low-light shelf setups. As the name suggests, the exact lineage of ‘Martin’s Mystery’ remains unknown – but its visual impact speaks for itself.
Begonia sp. U192 is likely derived from Southeast Asian rhizomatous species, adapted to shaded, humid microclimates with constant moisture and minimal temperature change. These plants thrive in warm, filtered light environments, growing slowly across mossy ground or leaf litter.
‘Martin’s Mystery’ reflects that growth habit – it prefers consistent warmth (18 – 24 °C), high humidity, and diffused light. Like all Begonias, it contains calcium oxalates and is considered toxic to pets and humans if ingested.
This Begonia prefers calm, stable conditions – avoid drafts, temperature swings, and frequent moving. Its slow rhizomatous spread means shallow pots work best. A terrarium or closed cabinet helps maintain the humidity and warmth this variety thrives on. As with many hybrids, the exact genetics are unclear – but understanding the typical forest-floor habitat of rhizomatous Begonias will help you give this plant what it needs to stay vibrant and healthy.
The genus Begonia was named in the 17th century by Charles Plumier after French administrator Michel Bégon. The name ‘Martin’s Mystery’ is a nursery cultivar label, likely given to an unregistered hybrid with striking visual traits and unclear parentage. The code U192 indicates a collector-tracked type not yet formally identified in botanical literature.
Can it grow in open air? Yes, if humidity is above 60% – otherwise, a terrarium or cabinet will work better.
Does it flower? Occasionally, but the small pale blooms are not the main attraction – it’s all about the foliage.
Is this variety easy to grow? With stable humidity, yes – it’s slow but reliable if not overwatered or exposed to cold.
Order today and grow Begonia U192 'Martin’s Mystery' – compact, rare, and full of silver-toned detail for serious foliage fans.
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.
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VAT included · plus
Secure shipping – carefully packed orders with safe delivery across the EU, UK and Switzerland.
28-day plant guarantee – if a plant arrives damaged or fails soon after delivery, we help you make it right.
Free returns – simple, cost-free returns according to our policy.
For full details, please see:
Light
Bright indirect • ≈ 10–20k lux • Grow light target: DLI 6–12
Watering
Water when ~25–40% dry
Potting mix
Fine but airy • Moisture-buffered • Balanced • Fine
Temperature
Ideal: 18–24 °C • Avoid below: 10 °C
Growth habit
rhizomatous creeping herb
Support
none
Growth speed
Slow
Max size indoors
Max. height: 25 cm • Max. spread: 25 cm
Toxicity & safety
Toxic
Origin & habitat
Cultivated Begonia sp.; cultivated
These metrics are standardised reference points. We compile them by reviewing and cross-checking multiple botanical and horticultural references, then refining them through real-world growing experience. Source links: Plant Care Resources.
Please use the values as guidance. Conditions vary by home, so the same plant can respond differently. For plant-specific context, read the full product description and browse our Plant Care Guides.