Growli
Let's go

Plant care

Red-fleshed Durian (Kalimantan Durian) care

Durio kutejensis

Also called Red-fleshed Durian, Kalimantan Durian, Pampaken, Durian Merah.

RHS H1aUSDA 11–12Pet-safeIndoor 15–27 m tall (50–89 ft) in the wild

Watering rhythm

Direct sun (at least 4-6 hours)

Daily watering in dry periods; 3–4 times per week when humidity is high

Jump to schedule→Get smart reminders in the app

Light

Direct sun (at least 4-6 hours)

Soil

Deep, fertile, well-drained loamy clay or clay loam with high organic matter

Humidity

75–95% RH

Temp

22–38°C

Pet safety

Pet-safe

Mature size

15–27 m tall (50–89 ft) in the wild

Care at a glance

Light

Red-fleshed Durian needs sun on the leaves, not just bright ambient room light. Requires full tropical sun for fruit production. Young trees benefit from 20–30% shade cloth for the first year to prevent leaf scorch while establishing. Once the canopy fills, remove shading entirely for optimal flowering. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water red-fleshed durian daily watering in dry periods; 3–4 times per week when humidity is high. 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. Needs consistently moist, deep soil. Equatorial rainfall of 2,000–3,000 mm per year is ideal. In cultivation, deep, infrequent irrigation is preferred over shallow daily watering. Ensure excellent drainage — roots are intolerant of standing water.

Soil and pot

Red-fleshed Durian grows best in deep, fertile, well-drained loamy clay or clay loam with high organic matter. Performs best in deep tropical red-yellow lateritic soils enriched with organic matter, pH 6.0–7.0. Shallow or compacted soils limit the deep root system essential for moisture and nutrient uptake. Incorporate compost and perlite in heavy 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

Red-fleshed Durian sits happiest at around 75–95% RH humidity and 22–38°C (72–100°F). A strict equatorial species adapted to perpetually high humidity. Extended periods below 60% RH cause leaf tip burn and poor fruit set. Not suitable for Mediterranean or subtropical dry-summer climates without intensive irrigation and misting systems. If you keep the room above 22–38°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 red-fleshed durian sparingly. Feed monthly with a high-potassium tropical tree fertiliser (e.g. 12-12-17-2 MgO) during active growth. Apply micronutrient foliar sprays (Boron, Zinc) twice yearly to support flowering. Mulch with decomposed wood chips to maintain soil biology. 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 red-fleshed durian in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Phytophthora root and stem rot — The most serious disease of durian in cultivation, caused by Phytophthora palmivora. Results in sudden wilting, bark discolouration at the root collar, and tree death. Ensure exceptional drainage, avoid bark wounding, and apply phosphonate-based fungicides preventatively in wet seasons.
  • Durian stem borer (Batocera spp.) — Beetle larvae bore into the trunk, causing sap flow, branch dieback, and structural weakness. Inspect trunks regularly for frass and entry holes. Apply contact insecticide into bore holes and plug with moist clay. Maintain tree vigour to resist attack.
  • Failure to flower — D. kutejensis requires a distinct dry-season stress to trigger flower induction. In consistently wet equatorial conditions without seasonal fluctuation, trees may remain vegetative for many years. A 4–6 week period of reduced irrigation in the dry season helps induce flowering.

Propagation

Grafting (chip budding or cleft grafting) onto Durio zibethinus seedling rootstock is the standard commercial method, preserving fruit colour and flavour. Seeds germinate readily within 5–7 days but produce variable offspring. Air-layering (marcotting) is used for true-to-type propagation without grafting expertise. 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

Red-fleshed Durian is pet-safe. Durio kutejensis is not listed by ASPCA. The Malvaceae/Bombacaceae family has no documented toxic principle for dogs or cats. The fleshy fruit aril is edible and non-toxic; however, the large woody seeds and spiny husks are physical hazards and should be kept away from pets. 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.

Red-fleshed Durian care — frequently asked questions

What is the common name for Durio kutejensis?

Durio kutejensis is most commonly called Red-fleshed Durian, but it is also known as Red-fleshed Durian, Kalimantan Durian, Pampaken, Durian Merah. The names refer to the same species, so care instructions for Red-fleshed Durian apply identically to anything sold as Kalimantan Durian.

How much light does red-fleshed durian need?

Red-fleshed Durian grows best in direct sun (at least 4-6 hours). Requires full tropical sun for fruit production. Young trees benefit from 20–30% shade cloth for the first year to prevent leaf scorch while establishing. Once the canopy fills, remove shading entirely for optimal flowering.

How often should I water red-fleshed durian?

Water red-fleshed durian daily watering in dry periods; 3–4 times per week when humidity is high. Needs consistently moist, deep soil. Equatorial rainfall of 2,000–3,000 mm per year is ideal. In cultivation, deep, infrequent irrigation is preferred over shallow daily watering. Ensure excellent drainage — roots are intolerant of standing water. 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 red-fleshed durian toxic to cats and dogs?

Red-fleshed Durian is pet-safe. Durio kutejensis is not listed by ASPCA. The Malvaceae/Bombacaceae family has no documented toxic principle for dogs or cats. The fleshy fruit aril is edible and non-toxic; however, the large woody seeds and spiny husks are physical hazards and should be kept away from pets.

What USDA hardiness zone does red-fleshed durian grow in?

Red-fleshed Durian is rated for USDA zone 11–12 and RHS hardiness H1a. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Red-fleshed Durian deep-dive guides

Every aspect of red-fleshed durian care, each with its own calibrated guide:

Featured in these plant shortlists

Red-fleshed Durian qualifies for 9 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Red-fleshed Durian is also known as Red-fleshed Durian, Kalimantan Durian, Pampaken, and Durian Merah.