Hoya Lobbii (Lobb's Hoya) care

Light

In the wild hoya lobbii grows on the bright edge of a forest canopy, not in the canopy and not in the open. Indoors, that translates to within a metre of an unobstructed window, sheer curtain optional. Wants strong, bright, indirect light to flower; an east window or a few feet from a south/west window is ideal. Some gentle direct sun is fine, but protect from scorching afternoon rays. The fastest test: a hand held at the leaf casts a soft-edged shadow at noon — sharp shadow means too much sun, no shadow means too little light.

Watering

Aim for when the top 3-4 cm of mix is dry, about every 7-10 days in growth for hoya lobbii, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Soak thoroughly, then let the mix dry out substantially before the next watering. The thick leaves hold reserves, so it tolerates a brief miss far better than constant moisture, which rots roots.

Soil and pot

Hoya Lobbii grows best in loose, fast-draining epiphytic mix. Combine orchid bark, perlite and a little coco coir for an airy, free-draining medium. Good aeration around the roots is essential; avoid heavy, moisture-holding soils. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Hoya Lobbii sits happiest at around 50-70% humidity and 18-28°C (65-82°F). Prefers moderate to high humidity, which keeps leaves plump and supports flowering, but adapts to average household levels. A humidifier or pebble tray benefits it during dry winter heating. If you keep the room above 18 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed hoya lobbii sparingly. Apply a dilute balanced liquid feed (about half strength) every 2-4 weeks through spring and summer. Switching to a higher-potassium bloom feed in late spring encourages its signature red flowers. Withhold fertiliser in autumn and winter. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on hoya lobbii in the Growli community. Each is annotated with the most common cause so you know where to start.

• Failure to flower — Usually too little light. Move to the brightest spot short of harsh midday sun, keep it slightly pot-bound, and feed with a high-potassium bloom feed before the flowering season.
• Overwatering and root rot — Yellowing, soft leaves and a sour-smelling pot point to rot. Let the airy mix dry well between waterings and ensure free drainage.
• Bud drop — Forming buds abort after sudden environmental changes or erratic watering. Keep light, temperature and moisture steady once a peduncle develops, and don't relocate the plant.
• Mealybugs — These cottony pests cluster in leaf joints and on new growth. Wipe off with alcohol or treat with insecticidal soap, repeating to catch hatchlings.

Propagation

Take stem cuttings with at least one node and a leaf pair; root in water, sphagnum moss, or a light bark mix with warmth and high humidity. Rooting takes several weeks, so keep conditions stable and patient. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Hoya Lobbii is pet-safe. Hoya is ASPCA-listed as non-toxic to cats and dogs, so Hoya lobbii is regarded as pet-safe. There is no recognised toxic principle, though, as with any houseplant, ingestion may cause mild, transient digestive upset. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Hoya Lobbii deep-dive guides

Every aspect of hoya lobbii care, each with its own calibrated guide:

• Hoya Lobbii watering schedule
• Hoya Lobbii light requirements
• Best soil mix for hoya lobbii
• Hoya Lobbii fertilizing guide
• When to repot hoya lobbii
• How to propagate hoya lobbii
• Hoya Lobbii growth rate & size
• Hoya Lobbii cold hardiness
• Hoya Lobbii temperature & humidity
• Is hoya lobbii toxic to cats & dogs?
• Is hoya lobbii toxic to cats?
• Is hoya lobbii toxic to dogs?

Featured in these plant shortlists

Hoya Lobbii qualifies for 10 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
• Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
• Best trailing & climbing houseplants — Vining and trailing houseplants for shelves, hanging pots, and moss poles — selected by growth habit.
• Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
• Best pet-safe trailing & hanging plants — Trailing and climbing plants the ASPCA lists as non-toxic to cats and dogs — safe for shelves and hanging pots in a pet home.
• Best pet-safe plants for bright light — Non-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
• Best houseplants to propagate in water — Houseplants that root from a cutting in a glass of water — the easiest, cheapest way to turn one plant into many.
• Best fragrant houseplants — Indoor plants with scented flowers or aromatic foliage — greenery you can smell, selected from our care library.
• Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
• Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Hoya Lobbii is also commonly called Lobb's Hoya or Lobbii Wax Plant.

• Types of hoya — varieties identified, with care and pet-safety
• Snake plant care — light, water and common problems
• Dracaena care — light, water and common problems
• Peperomia care — light, water and common problems
• All 2464 plant care guides in the Growli library