Growli

Plant care

Coontie (Florida Arrowroot) care

Zamia integrifolia

Also called Florida Arrowroot, Coontie Palm, Florida Coontie.

RHS H3USDA 8-11Toxic to petsIndoor Typically 0.6-1.5 m tall and wide as a clump

Watering rhythm

10-14days

When the top 3-5 cm of soil is dry, roughly every 10-14 days

Light

Bright indirect light (just back from a sunny window)

Soil

Sandy, free-draining mix

Humidity

40-60%

Temp

16-30°C

Pet safety

Toxic to pets

Mature size

Typically 0.6-1.5 m tall and wide as a clump

Care at a glance

Light

Coontie is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Highly adaptable, growing in full sun to fairly deep shade. Indoors it copes with medium to bright light; brighter conditions produce a more compact, robust rosette of fronds. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water coontie when the top 3-5 cm of soil is dry, roughly every 10-14 days. 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. Drought-tolerant once established thanks to its swollen underground stem. Water moderately in growth and let it dry well between drinks; it rots if kept constantly wet. Minimal water in winter.

Soil and pot

Coontie grows best in sandy, free-draining mix. A sandy or gritty, sharply draining compost suits its native well-drained soils. Avoid heavy, moisture-retentive mixes that keep the underground caudex damp. 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

Coontie sits happiest at around 40-60% humidity and 16-30°C (60-86°F). Unfussy about humidity and content in average indoor air. Its tough, waxy fronds resist drying, so no special humidity measures are needed. 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 coontie sparingly. Feed lightly two or three times in spring and summer with a balanced or palm fertiliser including magnesium and micronutrients. Coontie is slow and frugal; over-feeding does more harm than good. No feeding in autumn or 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 coontie in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Root rot from overwateringThe underground caudex rots in soggy soil. Use sandy, fast-draining mix and let it dry thoroughly between waterings, especially over winter.
  • Very slow recovery after disturbanceCoontie sulks after repotting or transplanting and may not push new fronds for a season. Disturb the roots as little as possible and be patient.
  • Cycad scaleLike other cycads it attracts scale insects on the fronds. Inspect regularly and treat early with horticultural oil to stop infestations spreading.
  • Sparse, stretched frondsDeep shade gives a thin, leggy rosette. Move to brighter light for a denser, sturdier flush of leaves.

Propagation

From seed (slow, and requires separate male and female plants) or by dividing offsets from an established clump. Handle seeds and trimmings with care and gloves, as all parts are highly poisonous. 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

Coontie is toxic to pets. ASPCA-listed under Coontie Palm/Cycads as toxic to cats, dogs and horses. Toxic principles include cycasin, BMAA (B-methylamino-L-alanine) and an unidentified neurotoxin, causing vomiting, bloody diarrhea, jaundice, liver failure and death; seeds contain the highest cycasin levels and 1-2 can be fatal. Keep strictly away from pets and children. 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.

Coontie care — frequently asked questions

What is the common name for Zamia integrifolia?

Zamia integrifolia is most commonly called Coontie, but it is also known as Florida Arrowroot, Coontie Palm, Florida Coontie. The names refer to the same species, so care instructions for Coontie apply identically to anything sold as Florida Arrowroot.

How much light does coontie need?

Coontie grows best in bright indirect light (just back from a sunny window). Highly adaptable, growing in full sun to fairly deep shade. Indoors it copes with medium to bright light; brighter conditions produce a more compact, robust rosette of fronds.

How often should I water coontie?

Water coontie when the top 3-5 cm of soil is dry, roughly every 10-14 days. Drought-tolerant once established thanks to its swollen underground stem. Water moderately in growth and let it dry well between drinks; it rots if kept constantly wet. Minimal water 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 coontie toxic to cats and dogs?

Coontie is toxic to pets. ASPCA-listed under Coontie Palm/Cycads as toxic to cats, dogs and horses. Toxic principles include cycasin, BMAA (B-methylamino-L-alanine) and an unidentified neurotoxin, causing vomiting, bloody diarrhea, jaundice, liver failure and death; seeds contain the highest cycasin levels and 1-2 can be fatal. Keep strictly away from pets and children.

What USDA hardiness zone does coontie grow in?

Coontie is rated for USDA zone 8-11 (indoor in most US and UK homes; established plants tolerate brief frost to around -7 to -9°C) and RHS hardiness H3. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Coontie deep-dive guides

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

Featured in these plant shortlists

Coontie 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

Coontie is also known as Florida Arrowroot, Coontie Palm, and Florida Coontie.