Growli

Plant care

Escarole 'Batavian Full Heart' (Batavian Full Heart escarole) care

Cichorium endivia var. latifolium 'Batavian Full Heart'

Also called Batavian Full Heart escarole, broad-leaved endive.

RHS H3USDA Cool-season annualMildly toxic to petsIndoor 25-35 cm across

Watering rhythm

5-7days

Every 5-7 days; keep soil evenly moist

Light

Direct sun (at least 4-6 hours)

Soil

Fertile, moisture-retentive loam, pH 6.0-6.8

Humidity

Ambient outdoor

Temp

10 to 22°C

Pet safety

Mildly toxic to pets

Mature size

25-35 cm across

Care at a glance

Light

Most houseplants will scorch where escarole 'batavian full heart' thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Full sun to light shade, six or more hours preferred for a dense, full heart. Light afternoon shade in summer heat reduces bolting; heavy shade gives loose, sparse rosettes. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

For escarole 'batavian full heart' in the ground or in a bed, aim for every 5-7 days; keep soil evenly moist. Soak the root zone rather than misting the foliage; deep, less-frequent watering trains roots downward and produces a more drought-resilient plant by mid-season. Consistent moisture keeps the broad leaves tender and prevents bolting and excess bitterness. Water at the base in the morning so the heart dries quickly and resists rot in cool weather.

Soil and pot

Escarole 'Batavian Full Heart' grows best in fertile, moisture-retentive loam, ph 6.0-6.8. Rich, well-drained soil with generous organic matter supports a large, full heart. Good drainage is important for autumn crops to avoid rot in the dense rosette. 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

Escarole 'Batavian Full Heart' sits happiest at around Ambient outdoor humidity and 10 to 22°C (50 to 72°F). An outdoor leaf crop needing no special humidity. Adequate spacing and airflow help keep the broad, overlapping leaves dry and limit grey mould in damp autumn weather. If you keep the room above 10 to 22°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 escarole 'batavian full heart' sparingly. Moderate feeder: incorporate compost before sowing and give a balanced feed mid-season to keep growth steady and the leaves tender. Fast, even growth produces the fullest, mildest hearts; avoid letting plants check and toughen. 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 escarole 'batavian full heart' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Bolting in heat or droughtWarm conditions, dry soil or sowing too early make plants flower prematurely. Sow for late-summer and autumn harvest and keep moisture even throughout.
  • Rot in the heartThe broad overlapping leaves trap moisture; in wet weather the heart can develop Botrytis or soft rot. Space well, water at the base, and harvest before prolonged rain.
  • Patchy blanchingTying or covering a damp heart can cause rot instead of a sweet pale centre. Blanch only dry plants for around 1-2 weeks and inspect regularly for slimy leaves.
  • Slug and snail grazingSlugs shelter in the dense rosette and chew young leaves. Use barriers or traps, clear nearby debris, and water in the morning to keep the crop drier.

Propagation

Grown from seed. Sow direct or in modules from late spring to midsummer for autumn harvest, thinning to about 30 cm apart. Blanch the heart by loosely tying the outer leaves over the centre or covering with a plate for one to two weeks before cutting. 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

Escarole 'Batavian Full Heart' is mildly toxic to pets. Cichorium endivia is not individually listed in the ASPCA toxic/non-toxic plant database, so a confirmed pet-safe label cannot be assigned. As with most leafy greens, eating the foliage may cause mild gastrointestinal upset in cats and dogs. Treat with caution and verify with a vet before allowing access. 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.

Escarole 'Batavian Full Heart' care — frequently asked questions

What is the common name for Cichorium endivia var. latifolium 'Batavian Full Heart'?

Cichorium endivia var. latifolium 'Batavian Full Heart' is most commonly called Escarole 'Batavian Full Heart', but it is also known as Batavian Full Heart escarole, broad-leaved endive. The names refer to the same species, so care instructions for Escarole 'Batavian Full Heart' apply identically to anything sold as Batavian Full Heart escarole.

How much light does escarole 'batavian full heart' need?

Escarole 'Batavian Full Heart' grows best in direct sun (at least 4-6 hours). Full sun to light shade, six or more hours preferred for a dense, full heart. Light afternoon shade in summer heat reduces bolting; heavy shade gives loose, sparse rosettes.

How often should I water escarole 'batavian full heart'?

Water escarole 'batavian full heart' every 5-7 days; keep soil evenly moist. Consistent moisture keeps the broad leaves tender and prevents bolting and excess bitterness. Water at the base in the morning so the heart dries quickly and resists rot in cool weather. 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 escarole 'batavian full heart' toxic to cats and dogs?

Escarole 'Batavian Full Heart' is mildly toxic to pets. Cichorium endivia is not individually listed in the ASPCA toxic/non-toxic plant database, so a confirmed pet-safe label cannot be assigned. As with most leafy greens, eating the foliage may cause mild gastrointestinal upset in cats and dogs. Treat with caution and verify with a vet before allowing access.

What USDA hardiness zone does escarole 'batavian full heart' grow in?

Escarole 'Batavian Full Heart' is rated for USDA zone Cool-season annual; tolerates light frost, hardier than frisee and RHS hardiness H3. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Escarole 'Batavian Full Heart' deep-dive guides

Every aspect of escarole 'batavian full heart' care, each with its own calibrated guide:

Related guides

Escarole 'Batavian Full Heart' is also commonly called Batavian Full Heart escarole or broad-leaved endive.