Growli

Plant care

Magenta Cherry (Brush Cherry) care

Syzygium paniculatum

Also called Magenta Cherry, Brush Cherry, Australian Brush Cherry, Magenta Lilly Pilly.

RHS H2USDA 9-11Mildly toxic to petsIndoor Up to 15 m (50 ft) in open ground

Watering rhythm

5-7days

Every 5–7 days in the growing season; reduce to every 10–14 days in winter

Light

Direct sun (at least 4-6 hours)

Soil

Well-draining, slightly acidic loam or sandy loam

Humidity

50–70%

Temp

10–32°C

Pet safety

Mildly toxic to pets

Mature size

Up to 15 m (50 ft) in open ground

Care at a glance

Light

Magenta Cherry needs sun on the leaves, not just bright ambient room light. Thrives in full sun; requires at least 6 hours of direct light daily. Indoors, place on a south-, east- or west-facing windowsill. Insufficient light causes sparse, pale foliage and reduced fruiting. 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 magenta cherry every 5–7 days in the growing season; reduce to every 10–14 days in winter. 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. Keep soil evenly moist but never waterlogged. Allow the top 2–3 cm to dry slightly between waterings. Very sensitive to root rot — ensure the pot or site drains freely. During hot spells, water more frequently.

Soil and pot

Magenta Cherry grows best in well-draining, slightly acidic loam or sandy loam. Prefers a pH of 6.0–7.0. Mix in perlite or coarse sand for container growing. Avoid heavy clay. Tolerates a range of soil types as long as drainage is excellent. 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

Magenta Cherry sits happiest at around 50–70% humidity and 10–32°C (50–90°F). Appreciates moderate to high humidity, reflecting its subtropical origins. Mist foliage regularly in dry indoor environments, or stand the pot on a pebble tray with water. Low humidity causes leaf tip browning. If you keep the room above 10–32°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 magenta cherry sparingly. Apply a balanced slow-release granular fertiliser (10-10-10) every 6–8 weeks during spring and summer. For bonsai or container plants, use a liquid fertiliser for acid-loving plants every 4 weeks from spring to early autumn, reducing to monthly in winter. 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 magenta cherry in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Root rotOverwatering or poor drainage is the leading cause of decline. Leaves yellow and drop; roots turn brown and mushy. Always use free-draining soil and let the surface dry slightly between waterings.
  • Psyllids (lilly pilly psyllid)Syzygium paniculatum is particularly vulnerable to the pear and cherry slug psyllid (Trioza eugeniae), which causes pimple-like galls on new leaves. Remove heavily affected growth; in persistent cases treat with horticultural oil or systemic insecticide.
  • Leaf browning / tip scorchCaused by low humidity, cold draughts or underwatering. Increase humidity by misting or using a pebble tray, and keep the plant away from air-conditioning vents and heating.

Propagation

Most reliably by semi-hardwood stem cuttings in spring or early summer: take 8–12 cm cuttings, remove lower leaves, dip in rooting hormone and root in moist peat-free propagating mix under a humidity dome at 24–27°C. Can also be grown from fresh seed, though seedlings may not be true to parent. 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

Magenta Cherry is mildly toxic to pets. Syzygium paniculatum is not individually listed on the ASPCA toxic plant list, but ripe berries may cause mild gastrointestinal upset (vomiting, diarrhoea, loose stools) in dogs if eaten in quantity. Seeds have been noted to cause transient digestive issues. Exercise caution and contact a vet if a pet ingests berries. 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.

Magenta Cherry care — frequently asked questions

What is the common name for Syzygium paniculatum?

Syzygium paniculatum is most commonly called Magenta Cherry, but it is also known as Magenta Cherry, Brush Cherry, Australian Brush Cherry, Magenta Lilly Pilly. The names refer to the same species, so care instructions for Magenta Cherry apply identically to anything sold as Brush Cherry.

How much light does magenta cherry need?

Magenta Cherry grows best in direct sun (at least 4-6 hours). Thrives in full sun; requires at least 6 hours of direct light daily. Indoors, place on a south-, east- or west-facing windowsill. Insufficient light causes sparse, pale foliage and reduced fruiting.

How often should I water magenta cherry?

Water magenta cherry every 5–7 days in the growing season; reduce to every 10–14 days in winter. Keep soil evenly moist but never waterlogged. Allow the top 2–3 cm to dry slightly between waterings. Very sensitive to root rot — ensure the pot or site drains freely. During hot spells, water more frequently. 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 magenta cherry toxic to cats and dogs?

Magenta Cherry is mildly toxic to pets. Syzygium paniculatum is not individually listed on the ASPCA toxic plant list, but ripe berries may cause mild gastrointestinal upset (vomiting, diarrhoea, loose stools) in dogs if eaten in quantity. Seeds have been noted to cause transient digestive issues. Exercise caution and contact a vet if a pet ingests berries.

What USDA hardiness zone does magenta cherry grow in?

Magenta Cherry is rated for USDA zone 9-11 and RHS hardiness H2. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Magenta Cherry deep-dive guides

Every aspect of magenta cherry care, each with its own calibrated guide:

Featured in these plant shortlists

Magenta Cherry qualifies for 5 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Magenta Cherry is also known as Magenta Cherry, Brush Cherry, Australian Brush Cherry, and Magenta Lilly Pilly.