Light
Bright indirect • approx. 10,000–20,000 lux
Araceae
Homalomena rubescens 'Black emerald' ('Dark')
- 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.
VAT included · plus
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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Homalomena rubescens 'Black emerald' ('Dark')
Quick Care Guide
Watering
Water when ~20–35% dry
Substrate
Moisture-retentive but aerated • Evenly moist • Organic-leaning • Fine-medium
Temperature
Ideal: 18–27 °C • Avoid below: 15 °C
Humidity
Moist 50–60 %
Growth habit
Upright clumping herbaceous perennial.
Support
not needed
Growth speed
Slow
Max size indoors
Max. height: 40 cm • Max. spread: 45 cm
Toxicity & safety
Toxic
Origin & habitat
Cultivar of Homalomena rubescens; species native from Sikkim to Myanmar
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.
Homalomena rubescens 'Black Emerald' – low-light beauty with dark, velvety leaves
Homalomena rubescens 'Black Emerald', also known as 'Dark', is a compact tropical plant with thick, heart-shaped leaves that shift from deep green to almost black depending on light and maturity. The surface has a subtle shimmer under indirect light, giving it a polished, velvety finish. Each leaf rises on a red-toned petiole, creating contrast and structure. This plant holds its form in low light, prefers stable humidity, and stays dense and symmetrical without outgrowing its space. It's one of the more understated but quietly striking self-heading species in indoor collections.
Leaf traits and plant form
- Leaf shape: Broadly cordate with soft texture and pointed tip
- Color: Deep green to blackish tones; sometimes with red undertones in petiole
- Texture: Semi-gloss to matte with velvety finish under certain lighting
- Growth habit: Upright and bushy, with moderate spacing between leaves
- Indoor size: Reaches 25 – 40 cm in height and slightly wider in spread
Native context and cultivation background
This cultivar is derived from Homalomena rubescens, a species native to Southeast Asian rainforests. It naturally grows under dense canopy, where humidity is high and light is diffuse. 'Black Emerald' has been selected for its compact size, strong leaf color, and clean indoor growth. It tolerates medium light, prefers evenly moist soil, and responds well to steady conditions without drafts or sudden changes.
- Origin: Cultivar of Southeast Asian tropical forest species
- Growth speed: Slow to moderate
- Climate tolerance: Prefers warm, humid air; avoid dry or cold spaces
- Toxicity: Assumed toxic to pets and humans if ingested
- Lifecycle: Evergreen with year-round presence indoors
Homalomena 'Black Emerald' care guide
- Light: Medium to bright indirect light; avoid direct sun on foliage
- Water: Keep soil evenly moist; let top layer dry slightly between waterings
- Humidity: Prefers 60 – 70% or higher; grows best with consistent ambient humidity
- Temperature: 20 – 28 °C ideal; avoid exposure below 15 °C
- Soil: Rich, chunky tropical mix with bark, compost, and perlite
- Repotting: Every 2 – 3 years or when roots fill the pot base
- Feeding: Fertilize every 4 – 6 weeks with balanced, diluted liquid feed
- Propagation: Division during repotting is most reliable
- Hydroponics: Not ideal – prefers semi-moist, organic soil
- Pruning: Remove yellowing or outer leaves as needed
Common issues and what to do
- Yellow leaves: Usually due to inconsistent watering or cold exposure
- Leaf curl or softness: Can signal underwatering or dry air – adjust both
- Pest issues: May attract spider mites or mealybugs; wipe leaves regularly and treat early
- Fungal spots: Improve airflow and avoid water sitting on leaf surface
- Slow growth: Normal in lower light or during colder months – adjust placement
Extra notes and display tips
'Black Emerald' fits cleanly into modern interiors – the compact, symmetrical growth and rich tone make it a quiet anchor in a group of brighter plants. It thrives in bathrooms, warm kitchens, or grouped with other moisture-loving foliage where humidity stays stable. It doesn’t sprawl or climb and can hold its shape for years with little maintenance.
Etymology and cultivar origin
“Homalomena” comes from Greek roots meaning “even” and “moon,” referring to the smooth leaf symmetry. The species name “rubescens” points to its reddish petioles. The cultivar name 'Black Emerald' highlights the deep green-black tone and gem-like appearance of its leaves.
Buy Homalomena 'Black Emerald' now
Want a low-maintenance plant with rich tone and compact form? Order Homalomena 'Black Emerald' today and add subtle contrast and structure to your indoor setup.
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 Homalomena rubescens 'Black Emerald' ('Dark')
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