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Plant care

Begonia 'Potpourri' (Potpourri begonia) care

Begonia 'Potpourri'

Also called Potpourri begonia.

RHS H1bUSDA 10-11Toxic to petsIndoor Around 20-30 cm tall and 25-40 cm wide indoors.

Watering rhythm

7-10days

When the top 2-3 cm of soil is dry, roughly every 7-10 days

Light

Bright indirect light (just back from a sunny window)

Soil

Light, free-draining peat-free houseplant mix

Humidity

40-60%

Temp

16-24°C

Pet safety

Toxic to pets

Mature size

Around 20-30 cm tall and 25-40 cm wide indoors.

Care at a glance

Light

Bright but filtered. Begonia 'Potpourri' burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Bright indirect light brings out the warm leaf colouring and keeps growth compact. An east window or filtered south exposure works well. Strong direct sun scorches the foliage, while too little light dulls the colour and loosens the habit. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering begonia 'potpourri': when the top 2-3 cm of soil is dry, roughly every 7-10 days. 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. Allow the surface to dry, then water thoroughly and let it drain. Rhizomatous begonias rot if kept constantly wet, so water at the soil line and avoid soaking the crown. Reduce watering in winter.

Soil and pot

Begonia 'Potpourri' grows best in light, free-draining peat-free houseplant mix. Combine peat-free compost or coir with perlite and a little fine bark for an airy, well-draining medium. A shallow, wide pot suits the creeping surface rhizome and helps the root zone dry between waterings. 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

Begonia 'Potpourri' sits happiest at around 40-60% humidity and 16-24°C (61-75°F). Does well in moderate household humidity, looking lushest with a little extra moisture in the air. A pebble tray or nearby humidifier helps in dry, heated rooms. Avoid misting the leaves to reduce powdery mildew. 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 begonia 'potpourri' sparingly. Feed every 2-4 weeks in spring and summer with a balanced liquid houseplant fertiliser at half strength. Pause feeding in autumn and winter while growth slows, resuming as light levels and active growth return. 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 begonia 'potpourri' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Powdery mildewWhite powdery patches in humid, stagnant air. Improve ventilation, keep foliage dry, and remove affected leaves to halt spread.
  • Rhizome and crown rotSoft, dark rhizomes from overwatering or a deep, water-retentive pot. Use a gritty mix and shallow pot, and let the surface dry between waterings.
  • Dull leaf colourMuted, greener foliage in low light. Move to a brighter indirect spot to restore the bronze and red tones.
  • Crispy leaf edgesBrowning margins from dry air or erratic watering. Raise humidity and keep soil evenly lightly moist away from heat sources.

Propagation

Propagate in spring by rhizome division or leaf and rhizome cuttings. Lay a leaf or rhizome piece on moist, warm mix under high humidity; new plantlets root and emerge within a few weeks. 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

Begonia 'Potpourri' is toxic to pets. The ASPCA lists Begonia (Begonia spp.) as toxic to cats, dogs, and horses. Soluble calcium oxalates are the toxic principle, most concentrated in the rhizome; ingestion can cause oral burning, drooling, vomiting, and difficulty swallowing. Keep 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.

Begonia 'Potpourri' care — frequently asked questions

What is the common name for Begonia 'Potpourri'?

Begonia 'Potpourri' is most commonly called Begonia 'Potpourri', but it is also known as Potpourri begonia. The names refer to the same species, so care instructions for Begonia 'Potpourri' apply identically to anything sold as Potpourri begonia.

How much light does begonia 'potpourri' need?

Begonia 'Potpourri' grows best in bright indirect light (just back from a sunny window). Bright indirect light brings out the warm leaf colouring and keeps growth compact. An east window or filtered south exposure works well. Strong direct sun scorches the foliage, while too little light dulls the colour and loosens the habit.

How often should I water begonia 'potpourri'?

Water begonia 'potpourri' when the top 2-3 cm of soil is dry, roughly every 7-10 days. Allow the surface to dry, then water thoroughly and let it drain. Rhizomatous begonias rot if kept constantly wet, so water at the soil line and avoid soaking the crown. 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 begonia 'potpourri' toxic to cats and dogs?

Begonia 'Potpourri' is toxic to pets. The ASPCA lists Begonia (Begonia spp.) as toxic to cats, dogs, and horses. Soluble calcium oxalates are the toxic principle, most concentrated in the rhizome; ingestion can cause oral burning, drooling, vomiting, and difficulty swallowing. Keep away from pets.

What USDA hardiness zone does begonia 'potpourri' grow in?

Begonia 'Potpourri' 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.

Begonia 'Potpourri' deep-dive guides

Every aspect of begonia 'potpourri' care, each with its own calibrated guide:

Featured in these plant shortlists

Begonia 'Potpourri' 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

Begonia 'Potpourri' is also commonly called Potpourri begonia.