Growli

Plant care

Ceropegia Haygarthii (Haygarth's lantern flower) care

Ceropegia haygarthii

Also called Haygarth's lantern flower, parasol flower.

RHS H1bUSDA 10-11Mildly toxic to petsIndoor Vines can trail or climb to about 1-2 m given support

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 rotOverwatering 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 flowersInsufficient light suppresses the lantern blooms. Give it a bright window and a support to climb.
  • Leggy, sparse growthLow light stretches the stems thin. Brighten its position and pinch tips to encourage branching.
  • MealybugsCottony 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:

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:

Related guides

Ceropegia Haygarthii is also commonly called Haygarth's lantern flower or parasol flower.