Light
Very bright / some direct β’ β 20β40k lux β’ Grow light target: DLI 12β18
Apocynaceae
Hoya undulata
VAT included Β· 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 | β¬ 12.95 | β¬ 100 | 2β4 working days |
| Belgium | β¬ 8.95 | β¬ 100 | 1β2 working days |
| Bulgaria | β¬ 21.95 | β¬ 300 | 5β7 working days |
| Croatia | β¬ 29.95 | β¬ 300 | 5β7 working days |
| Cyprus (Β²) | β¬ 39.95 | No free shipping | 5β7 working days |
| Czechia | β¬ 16.95 | β¬ 150 | 2β4 working days |
| Denmark (ΒΉ) | β¬ 16.95 | β¬ 150 | 2β4 working days |
| Estonia | β¬ 18.95 | β¬ 200 | 2β4 working days |
| Finland | β¬ 29.95 | β¬ 300 | 5β7 working days |
| France (ΒΉ) | β¬ 12.95 | β¬ 100 | 2β4 working days |
| Germany | β¬ 8.95 | β¬ 70 | 1β2 working days |
| Greece (ΒΉΒ²) | β¬ 29.95 | β¬ 300 | 5β7 working days |
| Hungary | β¬ 18.95 | β¬ 200 | 2β4 working days |
| Ireland | β¬ 14.95 | β¬ 150 | 2β4 working days |
| Italy (ΒΉ) | β¬ 14.95 | β¬ 150 | 2β4 working days |
| Latvia | β¬ 18.95 | β¬ 200 | 5β7 working days |
| Lithuania | β¬ 18.95 | β¬ 200 | 2β4 working days |
| Luxembourg | β¬ 12.95 | β¬ 100 | 1β2 working days |
| Malta (Β²) | β¬ 39.95 | No free shipping | 5β7 working days |
| Netherlands | β¬ 8.95 | β¬ 100 | 1β2 working days |
| Norway (Β³) | β¬ 21.95 | β¬ 300 | 5β7 working days |
| Poland | β¬ 12.95 | β¬ 100 | 2β4 working days |
| Portugal (ΒΉ) | β¬ 14.95 | β¬ 150 | 2β4 working days |
| Romania | β¬ 21.95 | β¬ 300 | 5β7 working days |
| Slovakia | β¬ 18.95 | β¬ 200 | 5β7 working days |
| Slovenia | β¬ 18.95 | β¬ 200 | 5β7 working days |
| Spain (ΒΉ) | β¬ 12.95 | β¬ 100 | 2β4 working days |
| Sweden | β¬ 18.95 | β¬ 200 | 2β4 working days |
| Switzerland | β¬ 29.95 | β¬ 300 | 5β7 working days |
| United Kingdom (ΒΉΒ³) | β¬ 18.95 | β¬ 200 | 5β7 working days |
Notes
- ΒΉ Island / remote-area surcharge: added automatically at checkout for affected postcodes, including Sicily, Sardinia, Corsica, Faroe Islands, Azores, Madeira, Balearic Islands, selected Greek island postcodes, Scottish Highlands & islands, and Northern Ireland (BT1β71; BT74β82; BT86β88; BT92β97). Canary Islands: we currently do not ship there.
- Β² Cyprus, Greece & Malta: delivery is possible, but courier reliability can vary; arrival times and plant condition cannot be guaranteed. The 28-day guarantee does not apply to plants shipped to these destinations due to unpredictable transit times.
-
Β³ United Kingdom: orders ship on Wednesdays only (order cut-off: Tuesdays, 12:00).
Import duties, taxes, and fees are payable by the customer (not included) β please check with your local customs authority for details.
All required phytosanitary paperwork is included.
For the UK, the 28-day guarantee does not apply to plants due to potential customs delays.
Norway: All required phytosanitary paperwork is included. For Norway, the 28-day guarantee does not apply to plants due to potential customs delays.
- Curated selection:
Every plant is handβpicked for health and visual appeal, so you receive a strong, wellβestablished plant.
- Representative photos:
Product images show a typical plant of this variety. Natural differences in leaf number, shape or variegation are normal β 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.
- βGet What You Seeβ items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
Oneβoff 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 β carefully packed orders with safe delivery across the EU, UK and Switzerland.
28-day plant guarantee β if a plant arrives damaged or fails soon after delivery, we help you make it right.
Free returns β simple, cost-free returns according to our policy.
For full details, please see:
Hoya undulataQuick Care Guide
Watering
Water when ~60β80% dry
Potting mix
Airy + fast-draining β’ Light moisture buffer β’ Bark-based β’ Medium-chunky
Temperature
Ideal: 16β24 Β°C β’ Avoid below: 10 Β°C
Growth habit
twining epiphytic vine
Support
optional
Growth speed
Average
Max size indoors
Max. trail length: 100 cm β’ 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; DLI is the daily light βdoseβ for grow lights.
- Watering: β% dryβ is the trigger before watering again; lower % stays more evenly moist.
- Potting mix: one-line profile (structure/drainage β’ moisture buffer β’ base β’ particle size).
- Temperature: βIdealβ comfort range; βAvoid belowβ 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 β whether stake, pole, or trellis improves structure and size.
- Growth speed: fast/average/slow under decent indoor conditionsβexpectations, 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 undulata β Rare Wavy-Leaved Hoya with Ant-Friendly Adaptations
Hoya undulata S. Rahayu and Rodda (2015) is a visually striking epiphytic climber from the tropical forests of Kalimantan (Borneo), known for its wavy leaf edges and occasional formation of domatia β tiny structures that may house ants in nature. With leathery, sculptural foliage and slow, rewarding growth, this rare species thrives in bright, humid indoor spaces. Itβs a must-have for collectors seeking unusual leaf structure and natural mutualism traits.
Key Features of Hoya undulata
- Wavy-Margined Leaves β Mature leaves reach 7 β 15β―cm, with undulated edges, leathery texture, fine surface veining, and a subtle semi-gloss finish.
- Ant Domatia β Some leaf bases form pockets that may serve as ant shelters in wild settings β one of few Hoyas with this trait.
- Variable Growth Habit β Grows as a slender vine or stays compact depending on support, light, and humidity.
Botanical Context and Native Habitat
- Origin β Native to lowland rainforests in Kalimantan, Borneo.
- Growth Form β Epiphytic, with aerial roots and twining stems that benefit from vertical support.
- Formal Description β Described in 2015 by S. Rahayu and Rodda (Garden Bulletin Singapore).
Indoor Growing Conditions for Hoya undulata
- Light β Requires bright, indirect light. Tolerates filtered morning sun or strong artificial grow lights.
- Temperature β Optimal range is 22 β 30β―Β°C. Avoid exposure below 15β―Β°C.
- Humidity β Thrives above 75%. Essential for leaf health and rooting success.
- Watering β Let the top 2 β 3β―cm of substrate dry before watering again. Never allow roots to sit in soggy conditions.
- Substrate β Use 40% orchid bark, 30% perlite or pumice, and 30% sphagnum or coco chips for excellent aeration.
- Feeding β Apply a balanced liquid fertilizer every 4 β 6 weeks. A bloom-boosting feed (higher potassium) can be used occasionally.
Potting, Support, and Growth Behavior
- Pot Choice β Use a shallow, breathable pot with drainage holes. Terra cotta works well for airflow.
- Support β Provide a moss pole, trellis, or stake to guide vines vertically and encourage fuller growth.
- Growth Speed β Moderate grower; expect 5 β 10β―cm/month under ideal indoor conditions.
- Repotting β Only when root-bound. This Hoya dislikes frequent disturbance.
Propagation and Semi-Hydro Tips
- Propagation β Take stem cuttings with at least one node. Root in moist sphagnum, perlite, or LECA under 25 β 28β―Β°C and 80%+ humidity.
- Rooting Time β Cuttings typically root in 4 β 6 weeks with consistent warmth and airflow.
- Semi-Hydroponics β Can adapt to LECA if transitioned gradually. Keep humidity high and flush regularly to avoid salt buildup.
Flowering Behavior and Peduncle Notes
Though flowering is uncommon indoors, Hoya undulata may produce pale pink to off-white, star-shaped blooms with a slightly fuzzy texture in small umbels. These appear on long-lived peduncles β never remove them, as future blooms often return to the same point.
Common Problems and How to Fix Them
- Yellowing Leaves β Often from overwatering or compacted substrate. Improve drainage and reduce frequency.
- Browning Leaf Tips β Usually caused by low humidity or mineral-heavy tap water. Use distilled or rainwater.
- Leaf Drop β Can occur from inconsistent watering or environmental shocks. Keep light, moisture, and airflow stable.
- Fungal Spots β Improve airflow and reduce moisture on leaves. Use a gentle fungicide if necessary.
- Pests β Mealybugs, spider mites, scale, and thrips may appear. Treat with neem oil or insecticidal soap early.
Etymology and Naming
The species name undulata comes from Latin, meaning βwavy,β a reference to its distinctive leaf margins. The genus Hoya honors 18th-century British botanist Thomas Hoy.
FAQs About Hoya undulata
- Can I grow it in low light? β No. It requires bright, indirect light or grow lights to thrive.
- Is Hoya undulata toxic? β Not officially listed as toxic, but like all Hoyas, keep it away from pets prone to chewing.
- Will it grow in LECA? β Yes, if transitioned gradually and humidity is kept high.
Order Hoya undulata Today
Bring a rare, sculptural species into your collection. Order Hoya undulata now to enjoy its wavy foliage, ant-adaptive traits, and exotic appeal β perfect for Hoya enthusiasts and rare plant lovers alike.
Plant Care Basics:
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 β Main hub with links to all houseplant care guides.
- After delivery & first week β Unpacking, first placement, and early recovery.
- Light β How much light houseplants really need indoors.
- Watering β When to water and how to avoid root rot.
- Substrates & roots β Potting mixes and drainage for strong root systems.
- Humidity β When humidity matters and what actually helps.
- Fertilizing β Simple feeding routine without burning roots.
- Problems & pests β Yellow leaves, brown tips, bugs, and fixes that work.
- Semi-hydro β How to run low-maintenance mineral substrates.
Choose options
Hoya undulata
Sale priceβ¬65,00
Apocynaceae
VAT included Β· plus
- Curated selection:
Every plant is handβpicked for health and visual appeal, so you receive a strong, wellβestablished plant.
- Representative photos:
Product images show a typical plant of this variety. Natural differences in leaf number, shape or variegation are normal β 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.
- βGet What You Seeβ items:
If you are buying the exact plant shown in the photos, this is clearly stated in the size section.
- Individual photos:
Oneβoff 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 β carefully packed orders with safe delivery across the EU, UK and Switzerland.
28-day plant guarantee β if a plant arrives damaged or fails soon after delivery, we help you make it right.
Free returns β simple, cost-free returns according to our policy.
For full details, please see:
Hoya undulataQuick Care Guide
Light
Very bright / some direct β’ β 20β40k lux β’ Grow light target: DLI 12β18
Watering
Water when ~60β80% dry
Potting mix
Airy + fast-draining β’ Light moisture buffer β’ Bark-based β’ Medium-chunky
Temperature
Ideal: 16β24 Β°C β’ Avoid below: 10 Β°C
Growth habit
twining epiphytic vine
Support
optional
Growth speed
Average
Max size indoors
Max. trail length: 100 cm β’ 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; DLI is the daily light βdoseβ for grow lights.
- Watering: β% dryβ is the trigger before watering again; lower % stays more evenly moist.
- Potting mix: one-line profile (structure/drainage β’ moisture buffer β’ base β’ particle size).
- Temperature: βIdealβ comfort range; βAvoid belowβ 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 β whether stake, pole, or trellis improves structure and size.
- Growth speed: fast/average/slow under decent indoor conditionsβexpectations, 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.
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