Light
Bright indirect • approx. 10,000–20,000 lux
Apocynaceae
Hoya callistophylla KAL 16
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 |
| 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) | € 14.95 | € 125 | 2–4 working days |
| Sweden | € 18.95 | € 200 | 2–4 working days |
| Switzerland | € 29.95 | € 300 | 5–7 working days |
Notes
- ¹ Island / remote-area surcharge: added automatically at checkout for affected postcodes, including Sicily, Sardinia, Corsica, Faroe Islands, Azores, Madeira, Balearic Islands, and selected Greek island postcodes. Canary Islands: we currently do not ship there.
- ² Cyprus, Greece & Malta: delivery is possible, but courier reliability can vary; arrival times and plant condition cannot be guaranteed. Our 28-day guarantee does not apply to plants shipped to these destinations due to unpredictable transit times.
- 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.
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:
Hoya callistophylla KAL 16
Quick Care Guide
Watering
Water when ~60–80% dry
Potting mix
Airy + fast-draining • Light moisture buffer • Bark-based • Medium-chunky
Temperature
Ideal: 16–24 °C • Avoid below: 10 °C
Humidity
Moist 50–60 %
Growth habit
twining epiphytic vine
Support
optional
Growth speed
Slow
Max size indoors
Max. trail length: 100 cm • Max. spread: 50 cm
Toxicity & safety
Non-toxic & Pet Friendly
Origin & habitat
Borneo; wet tropical biome
How to read these metrics
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.
- Light: level + approximate lux at leaf level;
- Watering: “% dry” is the trigger before watering again; lower % stays more evenly moist.
- Potting mix: one-line profile (structure/drainage • moisture buffer • base • particle size).
- Temperature: “Ideal” comfort range; “Avoid below” marks higher stress risk.
- Humidity: target bands (Normal/Moist/Humid); consistency usually matters most.
- Growth habit: growth form (rosette, trailing, climbing) for placement and training.
- Support: needed/optional/none — whether stake, pole, or trellis improves structure and size.
- Growth speed: fast/average/slow under decent indoor conditions—expectations, not a promise.
- Max size indoors: realistic long-term potential; format differs for climbers vs. trailers.
- Toxicity & safety: chemical irritants/toxicity and physical hazards (spines, bristles).
- Origin & habitat: native region + typical biome/habitat as context.
Hoya callistophylla KAL 16 – Rare Foliage Jewel from Borneo
Looking for a Hoya that turns heads with its leaves? Hoya callistophylla KAL 16 is a slow-growing, rare collector's clone from Borneo, known for its thick, oblong leaves with dramatic dark-green veining. Unlike most Hoyas, this one rarely flowers indoors – and it doesn't need to. Its foliage is the star of the show, perfect for plant lovers who want bold structure without fuss.
What Makes Hoya callistophylla KAL 16 So Special?
The leathery leaves feature reticulate, almost black veining over a lime to olive-green background. Their surface is slightly bullate (gently puckered between the veins), creating a sculpted, three-dimensional texture. This feature, combined with a natural waxy coating, helps the plant retain moisture and stand out in any Hoya collection.
Origin, Growth Habit and Collection Note
Hoya callistophylla Rintz is native to Sarawak (Borneo), where it grows as an epiphytic and lithophytic climber in lowland tropical forests. The “KAL 16” label refers to a specific field collection. In the wild, it anchors onto trees or rocks, thriving in high humidity and filtered light under a dense canopy.
How to Care for Hoya callistophylla KAL 16
- Light: Prefers bright, indirect light – think east or west-facing windows. If kept near a south-facing window, use sheer curtains to prevent scorching. Dim conditions will slow growth and mute leaf color.
- Watering: Allow the top 3 – 5 cm of soil to dry before watering again. This species is drought-tolerant but sensitive to wet feet. Always use a pot with drainage holes.
- Humidity: Thrives in 60%+. For small setups, place the pot on a tray with LECA and water, or grow in a glass cabinet for optimal humidity.
- Temperature: Ideal range is 18 – 26°C. Avoid cold drafts or temperatures under 15°C.
- Substrate: Use a very airy mix – 50% quality potting soil, 25% orchid bark, 25% perlite or pumice. Optional: add some horticultural charcoal to support root health.
Typical Issues and How to Solve Them
- Yellowing leaves: Often a sign of overwatering or poor drainage. Let the soil dry more thoroughly and check pot drainage.
- Brown edges: Caused by dry air or direct sun. Increase humidity and move the plant out of harsh light.
- Pests: Susceptible to mealybugs and spider mites. Treat early with neem oil, insecticidal soap, or beneficial insects.
Extra Tips for Hoya Enthusiasts
- Growth habit: It's a climber, not a trailer. Offer a trellis, moss pole, or bamboo hoop for vertical growth.
- Feeding: Use a balanced, water-soluble fertilizer once a month. Skip if growth is dormant in darker months.
- Leaf cleaning: Wipe gently with a damp cloth to keep the surface clean and photosynthesis efficient. Avoid misting to prevent fungal issues.
Is Hoya callistophylla KAL 16 Safe for Pets?
Hoyas are generally considered non-toxic to humans and pets. However, it's always best to keep them out of reach – chewing on thick foliage may still cause mild irritation or digestive upset.
Name Meaning of Hoya callistophylla
The genus Hoya honors English botanist Thomas Hoy. The species name “callistophylla” comes from Greek: kallos (beauty) and phyllon (leaf) – a perfect match for its showy foliage.
Need-to-Know Before You Buy
- How big does it get? With support, vines can easily reach over 1 meter indoors.
- Will it flower? Rarely indoors. But with strong light and age, star-shaped flowers may appear.
- Which pot works best? Terracotta or breathable pots with drainage are ideal. Avoid deep pots that hold moisture too long.
Ready for bold, sculptural foliage that’s easy to grow? Add Hoya callistophylla KAL 16 to your collection now and enjoy this botanical work of art at home.
Plant Care Basics:
- 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.
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.
Please head to our FAQ Page or Contact us.
Choose options
Hoya callistophylla KAL 16
Sale price€21,00
Apocynaceae
VAT included · plus Shipping costs
- 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.
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:
Hoya callistophylla KAL 16
Quick Care Guide
Light
Bright indirect • approx. 10,000–20,000 lux
Watering
Water when ~60–80% dry
Potting mix
Airy + fast-draining • Light moisture buffer • Bark-based • Medium-chunky
Temperature
Ideal: 16–24 °C • Avoid below: 10 °C
Humidity
Moist 50–60 %
Growth habit
twining epiphytic vine
Support
optional
Growth speed
Slow
Max size indoors
Max. trail length: 100 cm • Max. spread: 50 cm
Toxicity & safety
Non-toxic & Pet Friendly
Origin & habitat
Borneo; wet tropical biome
How to read these metrics
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.
- Light: level + approximate lux at leaf level;
- Watering: “% dry” is the trigger before watering again; lower % stays more evenly moist.
- Potting mix: one-line profile (structure/drainage • moisture buffer • base • particle size).
- Temperature: “Ideal” comfort range; “Avoid below” marks higher stress risk.
- Humidity: target bands (Normal/Moist/Humid); consistency usually matters most.
- Growth habit: growth form (rosette, trailing, climbing) for placement and training.
- Support: needed/optional/none — whether stake, pole, or trellis improves structure and size.
- Growth speed: fast/average/slow under decent indoor conditions—expectations, not a promise.
- Max size indoors: realistic long-term potential; format differs for climbers vs. trailers.
- Toxicity & safety: chemical irritants/toxicity and physical hazards (spines, bristles).
- Origin & habitat: native region + typical biome/habitat as context.
