Hoya ‘Lai Chau’ close-up of leaf on white background.

Hoya ‘Lai Chau’ potted plant in nursery pot on white background.

Apocynaceae

Hoya sp. Lai Chau

Wax Plant

Pet Friendly

Hoya sp. Lai Chau has thick oval green leaves with short pointed ends and a clear central rib along climbing stems. Sparse irregular silver flecks mark the leaf surfaces.

Read full guide to Hoya sp. Lai Chau

€39,50

VAT included · plus

Plant size: Pot Ø 2–3 cmapprox. 10 cm tall

Sizes are approximate. Height is measured from the bottom of the pot to the top of the plant; diameter at the widest point.

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Care at a glance

Hoya sp. Lai Chau

Light

Bright indirect • approx. 10,000–20,000 lux

Watering

Water when ~60–80% dry

Substrate

Airy + fast-draining • Light moisture buffer • Bark-based • Medium-chunky

Temperature

Ideal: 16–24 °C • Avoid below: 10 °C

Humidity

Elevated 50–60%

Growth habit

Climbing or trailing epiphytic perennial vine.

Support

recommended

Growth speed

Average

Cultivated size guide

Trail length: 100 cm • Spread: 35 cm

Toxicity & safety

Non-toxic

Origin & habitat

Unidentified Hoya from Lai Chau

Outdoor growing

Outside from 15 °C · sheltered from wind and rain

How to read these values

These care values give practical guidance for growing the plant. Adjust care 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 growing conditions; use as a guide, not a promise.

Cultivated size guide: approximate dimensions for an established plant in the stated growing context. Height is measured upwards from the growing surface; foliage height excludes flower stems. Trailing length follows a stem, while foliage drop is the vertical distance from the crown to the lowest leaf tips. Spread is the width of the leafy plant or crown, not an individual leaf. Flowering height includes the flower stems. A container guide applies to pot-grown plants; an in-ground guide applies to plants rooted in the ground. Size also depends on age, conditions, pot space and training.

These figures do not describe the size supplied and are not fixed upper limits.

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.

Hoya sp. Lai Chau

Medium-sized oval to elliptic leaves sit along the climbing stems. A clear midrib divides each thick green blade, with sparse irregular silver flecks across the surface.

Thick oval foliage on a climbing vine

Leaves: Medium-sized thick oval to elliptic blades.
Tips: Short and clearly pointed.
Pattern: Sparse irregular silver flecks over green.
Habit: A climbing vine with increasingly heavy foliage.

Origin & background

Origin and identity of Hoya sp. Lai Chau

Hoya sp. Lai Chau comes from Lai Châu in northern Vietnam. Its species identity and exact collection point within Lai Châu are still uncertain.

Plant care

Care for Hoya sp. Lai Chau

Maturing foliage: Later leaves become heavier than juvenile ones. Provide a firm support before the runner carries several thick oval leaves.
Light: Keep the vine near bright indirect light throughout the day, especially while the broad silver-marked leaves are still soft. After acclimation, brief morning sun is suitable; keep the leaves away from hot glass and abrupt midday exposure.
Watering and roots: Water only after a clear drying interval through the upper part of the root ball. Let water drain at once and empty any water beneath the inner pot.
Potting mix: Use an airy bark-based mix with porous mineral material. Use a mix that sheds surplus water freely but does not leave the roots of Hoya sp. Lai Chau completely dry immediately after watering.
Temperature and airflow: Keep temperatures around 16–24 °C, with prolonged cold below 10 °C avoided. Maintain warm, even room conditions with moderate humidity and gentle airflow, and let the foliage dry promptly after watering.
Feeding: While new growth is developing, apply orchid fertiliser at a moderate rate; feed less once growth pauses.
Repotting: Repot when roots fill the container or the mix becomes compacted or slow to drain. Refresh deteriorated mix in the same pot when the roots still fit; use a slightly larger pot only when they need more space.
Propagation: Take a healthy cutting with a node and root it in lightly moist, freely aerated propagation mix.

Issues & solutions

Common issues with Hoya sp. Lai Chau

The pot smells sour and the thick silver-flecked leaves begin to soften: A sour smell and softening leaves may indicate degraded, poorly aerated mix and root damage. Check drainage and inspect the roots if the plant continues to weaken. Keep every firm, healthy root and remove only clearly soft, rotten sections using a clean, disinfected tool. Discard decayed material, clean the pot and repot the healthy roots in fresh, coarse, airy mix. If decay starts extending into the stem, take a cutting from a firm, healthy stem section with a viable node above the damage.
The side facing the window develops bleached dry marks: The pale tissue overheated while the rest of the leaf remained firm. Filter the strongest sun and keep the watering cycle consistent while the next leaf develops.
Sticky residue and cottony insects at leaf joints: Inspect leaf axils and nodes for live mealybugs before treating. If present, separate the plant from other foliage and remove the insects carefully without damaging young growth. Recheck developing leaves; if treatment is required, use only a product labelled for that pest and indoor ornamental plants, following the full instructions.
Fresh pale stippling with fine webs on mature leaves: Check the leaf undersides with a magnifier and tap a leaf over white paper to confirm moving spider mites. Isolate only confirmed infestations, gently rinse the foliage, and check it again several days later. Use any labelled indoor ornamental treatment only as directed.

Safety

Pet safety of Hoya sp. Lai Chau has not been reliably established

Sap from cut or damaged stems may irritate skin or eyes. Avoid direct contact and rinse off any sap.
Swallowing plant material can cause stomach upset even when a specific toxic effect has not been documented.
If a large amount is eaten and symptoms continue, contact a veterinarian or medical professional.

Names & etymology

Who first published Hoya, and what does the name mean?

Hoya honours the English gardener Thomas Hoy.

Robert Brown established the genus Hoya in 1810 in Prodromus Florae Novae Hollandiae, page 459.

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.