Growli

Plant care

Trailing Lantana (Weeping Lantana) care

Lantana montevidensis

Also called Trailing Lantana, Weeping Lantana, Purple Trailing Lantana, Creeping Lantana.

RHS H1bUSDA 8-11Toxic to petsIndoor 30–50 cm tall

Watering rhythm

1-2weeks

Every 1–2 weeks (drought-tolerant when established)

Light

Direct sun (at least 4-6 hours)

Soil

Well-drained loam, chalk, or sandy soil

Humidity

Low to moderate (30–60%)

Temp

10–35°C

Pet safety

Toxic to pets

Mature size

30–50 cm tall

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Requires a minimum of 6–8 hours of direct sunlight daily; flowering is significantly reduced in part shade. If your only bright window faces south, that's perfect for trailing lantana — same window any aroid would fry on.

Watering

Watering trailing lantana: every 1–2 weeks (drought-tolerant when established). The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Water deeply but infrequently; allow the top 2–3 cm of soil to dry between waterings. Reduce watering in winter.

Soil and pot

Trailing Lantana grows best in well-drained loam, chalk, or sandy soil. Tolerates poor fertility but will not tolerate waterlogged conditions; a slightly acidic to neutral pH of 6.0–7.5 is ideal. 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

Trailing Lantana sits happiest at around Low to moderate (30–60%) humidity and 10–35°C (50–95°F). Tolerates dry air well; high humidity combined with poor air circulation encourages powdery mildew. If you keep the room above 10–35°C 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 trailing lantana sparingly. Apply a balanced granular fertiliser once in spring; avoid high-nitrogen feeds, which promote foliage at the expense of flowers. 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 trailing lantana in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Whitefly and sooty mouldClouds of whitefly on the undersides of leaves cause yellow stippling; their honeydew deposits lead to black sooty mould. Treat with insecticidal soap or neem oil and improve air circulation.
  • Root rot from overwateringSitting in wet soil causes rapid root rot, leading to yellowing foliage and stem collapse. Ensure excellent drainage and reduce watering frequency, especially in cooler weather.

Propagation

Take semi-ripe stem cuttings with bottom heat in summer; alternatively, sow seed at 16–18°C in spring. 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

Trailing Lantana is toxic to pets. ASPCA lists Lantana (Lantana camara) as toxic to cats, dogs, and horses; the toxic principles are pentacyclic triterpenoids (lantadenes). Symptoms include vomiting, diarrhoea, laboured breathing, and weakness; liver failure is documented particularly in livestock. L. montevidensis contains the same compounds and should be treated as equally hazardous. 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.

Trailing Lantana care — frequently asked questions

What is the common name for Lantana montevidensis?

Lantana montevidensis is most commonly called Trailing Lantana, but it is also known as Trailing Lantana, Weeping Lantana, Purple Trailing Lantana, Creeping Lantana. The names refer to the same species, so care instructions for Trailing Lantana apply identically to anything sold as Weeping Lantana.

How much light does trailing lantana need?

Trailing Lantana grows best in direct sun (at least 4-6 hours). Requires a minimum of 6–8 hours of direct sunlight daily; flowering is significantly reduced in part shade.

How often should I water trailing lantana?

Water trailing lantana every 1–2 weeks (drought-tolerant when established). Water deeply but infrequently; allow the top 2–3 cm of soil to dry between waterings. Reduce watering in winter. 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 trailing lantana toxic to cats and dogs?

Trailing Lantana is toxic to pets. ASPCA lists Lantana (Lantana camara) as toxic to cats, dogs, and horses; the toxic principles are pentacyclic triterpenoids (lantadenes). Symptoms include vomiting, diarrhoea, laboured breathing, and weakness; liver failure is documented particularly in livestock. L. montevidensis contains the same compounds and should be treated as equally hazardous.

What USDA hardiness zone does trailing lantana grow in?

Trailing Lantana is rated for USDA zone 8-11 and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Trailing Lantana deep-dive guides

Every aspect of trailing lantana care, each with its own calibrated guide:

Featured in these plant shortlists

Trailing Lantana qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Trailing Lantana is also known as Trailing Lantana, Weeping Lantana, Purple Trailing Lantana, and Creeping Lantana.