Plant care
Ceropegia Haygarthii (Haygarth's lantern flower) care
Ceropegia haygarthii
Also called Haygarth's lantern flower, parasol flower.
Watering rhythm
10-14days
When the top 2-3 cm of soil is dry, about every 10-14 days in summer
Light
Bright indirect light (just back from a sunny window)
Soil
Gritty, free-draining succulent mix
Humidity
40-60%
Temp
16-27°C
Pet safety
Mildly toxic to pets
Mature size
Vines can trail or climb to about 1-2 m given support
Care at a glance
Light
Ceropegia Haygarthii is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Bright, indirect to lightly direct light fuels flowering; an east or filtered south window indoors. Strong light encourages the curious lantern blooms, while shade gives thin, weak, reluctant-to-flower growth. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.
Watering
Water ceropegia haygarthii when the top 2-3 cm of soil is dry, about every 10-14 days in summer. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Water moderately in growth, letting the upper soil dry between drinks since the fleshy stems store moisture. Cut back sharply in winter. Consistent overwatering rots the stems and roots quickly.
Soil and pot
Ceropegia Haygarthii grows best in gritty, free-draining succulent mix. Use a cactus or succulent mix with added perlite or pumice for sharp drainage. A pot with a drainage hole is essential; these semi-succulent vines will not tolerate soggy roots. 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
Ceropegia Haygarthii sits happiest at around 40-60% humidity and 16-27°C (61-81°F). Average household humidity is fine. It does not require misting and prefers good airflow, which helps prevent rot on the slender succulent stems. If you keep the room above 16 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 ceropegia haygarthii sparingly. Feed monthly in spring and summer with a balanced or cactus fertiliser diluted to half strength. Stop feeding in autumn and winter while growth rests. 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 ceropegia haygarthii in the Growli community. Each is annotated with the most common cause so you know where to start.
- Stem and root rot — Overwatering or a dense, wet mix rots the succulent stems at the base. Use gritty soil and let the surface dry between waterings.
- Few or no flowers — Insufficient light suppresses the lantern blooms. Give it a bright window and a support to climb.
- Leggy, sparse growth — Low light stretches the stems thin. Brighten its position and pinch tips to encourage branching.
- Mealybugs — Cottony white pests cluster at leaf joints and along stems. Wipe with isopropyl alcohol and isolate the plant.
Propagation
Propagate from stem cuttings: let the cut end callus for a day or two, then insert into gritty, barely moist mix; it can also self-layer where nodes touch soil. Seed is possible but slower. 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
Ceropegia Haygarthii is mildly toxic to pets. Treat with caution. Ceropegia haygarthii is not individually listed in the ASPCA toxic or non-toxic plant database. While string-of-hearts relatives are often described as pet-safe, this species' status is unconfirmed and the family includes toxic members, so keep it away from pets and verify with a vet. 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.
Ceropegia Haygarthii care — frequently asked questions
What is the common name for Ceropegia haygarthii?
Ceropegia haygarthii is most commonly called Ceropegia Haygarthii, but it is also known as Haygarth's lantern flower, parasol flower. The names refer to the same species, so care instructions for Ceropegia Haygarthii apply identically to anything sold as Haygarth's lantern flower.
How much light does ceropegia haygarthii need?
Ceropegia Haygarthii grows best in bright indirect light (just back from a sunny window). Bright, indirect to lightly direct light fuels flowering; an east or filtered south window indoors. Strong light encourages the curious lantern blooms, while shade gives thin, weak, reluctant-to-flower growth.
How often should I water ceropegia haygarthii?
Water ceropegia haygarthii when the top 2-3 cm of soil is dry, about every 10-14 days in summer. Water moderately in growth, letting the upper soil dry between drinks since the fleshy stems store moisture. Cut back sharply in winter. Consistent overwatering rots the stems and roots quickly. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.
Is ceropegia haygarthii toxic to cats and dogs?
Ceropegia Haygarthii is mildly toxic to pets. Treat with caution. Ceropegia haygarthii is not individually listed in the ASPCA toxic or non-toxic plant database. While string-of-hearts relatives are often described as pet-safe, this species' status is unconfirmed and the family includes toxic members, so keep it away from pets and verify with a vet.
What USDA hardiness zone does ceropegia haygarthii grow in?
Ceropegia Haygarthii is rated for USDA zone 10-11 (indoor in most US homes) and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Ceropegia Haygarthii deep-dive guides
Every aspect of ceropegia haygarthii care, each with its own calibrated guide:
- Ceropegia Haygarthii watering schedule
- Ceropegia Haygarthii light requirements
- Best soil mix for ceropegia haygarthii
- Ceropegia Haygarthii fertilizing guide
- When to repot ceropegia haygarthii
- How to propagate ceropegia haygarthii
- Ceropegia Haygarthii growth rate & size
- Ceropegia Haygarthii cold hardiness
- Ceropegia Haygarthii temperature & humidity
- Is ceropegia haygarthii toxic to cats & dogs?
- Is ceropegia haygarthii toxic to cats?
- Is ceropegia haygarthii toxic to dogs?
Featured in these plant shortlists
Ceropegia Haygarthii qualifies for 3 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- 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 drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
- Best trailing & climbing houseplants — Vining and trailing houseplants for shelves, hanging pots, and moss poles — selected by growth habit.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Ceropegia Haygarthii is also commonly called Haygarth's lantern flower or parasol flower.