Growli

Plant care

Lemon Drop Pepper (aji limon) care

Capsicum baccatum 'Lemon Drop'

Also called Lemon Drop pepper, aji limon, yellow citrus pepper.

RHS H1cUSDA 9-11 outdoorsMildly toxic to petsIndoor 90-150 cm tall

Watering rhythm

2-3days

When the top 2-3 cm of soil is dry, roughly every 2-3 days in summer heat

Light

Direct sun (at least 4-6 hours)

Soil

Rich, free-draining loam

Humidity

40-70%

Temp

21-30°C

Pet safety

Mildly toxic to pets

Mature size

90-150 cm tall

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun, 6-8+ hours daily. Start seedlings under bright grow lights; harden off before moving outdoors so leaves don't scorch. If your only bright window faces south, that's perfect for lemon drop pepper — same window any aroid would fry on.

Watering

Crops like lemon drop pepper reward consistent watering — when the top 2-3 cm of soil is dry, roughly every 2-3 days in summer heat. The mistake is the daily light sprinkle: it never reaches the deeper roots. A long soak twice a week beats a five-minute splash every day. Keep moisture even; wide wet-dry swings drop flowers and trigger blossom-end rot. Avoid soggy roots and water at the base to limit foliar disease.

Soil and pot

Lemon Drop Pepper grows best in rich, free-draining loam. Fertile, well-drained mix with compost worked in; target pH 6.0-6.8. In containers use a quality potting mix and a pot of at least 10-15 L. 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

Lemon Drop Pepper sits happiest at around 40-70% humidity and 21-30°C (70-86°F). Tolerates a wide range outdoors. Very high humidity with poor airflow encourages fungal leaf spot, so space plants for circulation. If you keep the room above 21 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 lemon drop pepper sparingly. Feed a balanced fertiliser early, then switch to a higher-potassium tomato-type feed once flowering starts, every 1-2 weeks. Excess nitrogen gives lush leaves but few pods. 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 lemon drop pepper in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Blossom dropFlowers abort when nights stay above ~24°C or below ~13°C, or under drought stress; pods set again once temperatures and watering even out.
  • Blossom-end rotSunken brown pod bases from inconsistent watering limiting calcium uptake; mulch and water evenly rather than adding extra calcium.
  • AphidsCluster on new growth and spread virus; rinse off, encourage ladybirds, or use insecticidal soap on young plants.
  • Slow start in cool soilBaccatum types germinate and grow sluggishly below 20°C; use bottom heat for seed and don't plant out until nights are reliably warm.

Propagation

By seed sown 8-10 weeks before the last frost at 24-29°C; germination is slow. Established plants can be overwintered indoors in bright warmth and will fruit again the next year. 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

Lemon Drop Pepper is mildly toxic to pets. Capsicum is not specifically listed on the ASPCA toxic-plant database, so it is not affirmed pet-safe. Capsaicin in the pods is a mucous-membrane and gastrointestinal irritant that can cause mouth pain, drooling, vomiting and diarrhoea in cats and dogs. Treat as mildly toxic and verify with a vet if a pet ingests pods or foliage. 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.

Lemon Drop Pepper care — frequently asked questions

What is the common name for Capsicum baccatum 'Lemon Drop'?

Capsicum baccatum 'Lemon Drop' is most commonly called Lemon Drop Pepper, but it is also known as Lemon Drop pepper, aji limon, yellow citrus pepper. The names refer to the same species, so care instructions for Lemon Drop Pepper apply identically to anything sold as aji limon.

How much light does lemon drop pepper need?

Lemon Drop Pepper grows best in direct sun (at least 4-6 hours). Full sun, 6-8+ hours daily. Start seedlings under bright grow lights; harden off before moving outdoors so leaves don't scorch.

How often should I water lemon drop pepper?

Water lemon drop pepper when the top 2-3 cm of soil is dry, roughly every 2-3 days in summer heat. Keep moisture even; wide wet-dry swings drop flowers and trigger blossom-end rot. Avoid soggy roots and water at the base to limit foliar disease. 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 lemon drop pepper toxic to cats and dogs?

Lemon Drop Pepper is mildly toxic to pets. Capsicum is not specifically listed on the ASPCA toxic-plant database, so it is not affirmed pet-safe. Capsaicin in the pods is a mucous-membrane and gastrointestinal irritant that can cause mouth pain, drooling, vomiting and diarrhoea in cats and dogs. Treat as mildly toxic and verify with a vet if a pet ingests pods or foliage.

What USDA hardiness zone does lemon drop pepper grow in?

Lemon Drop Pepper is rated for USDA zone 9-11 outdoors; grown as a frost-tender annual elsewhere and RHS hardiness H1c. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Lemon Drop Pepper deep-dive guides

Every aspect of lemon drop pepper care, each with its own calibrated guide:

Related guides

Lemon Drop Pepper is also known as Lemon Drop pepper, aji limon, and yellow citrus pepper.