Sugar-apple

Annona squamosa · Annonaceae · also known as Atis, Sweetsop, Srikaya, Sitaphal, Sharifa, Noi-na (น้อยหน่า), Anón, Custard apple (loosely)

The knobby little custard grenade — scaly segments that pull apart into spoonfuls of perfumed, pear-custard sweetness around slick black seeds. The Philippines' beloved atis, best eaten with your hands.

A ripe sugar-apple showing its knobby green segmented skin
Photo: Vengolis · CC BY-SA 4.0 / Wikimedia Commons

At a glance

Taste
Intensely sweet, custardy, and floral — vanilla, pear, and rosewater — with grainy-silky flesh that dissolves like soft meringue. Each segment wraps a glossy black seed (spit them; they're mildly toxic crushed).
Origin
Tropical Americas (exact origin debated); carried to Asia by the Spanish so early it feels native there
Grown in
India, Philippines, Thailand, Vietnam, Brazil, Taiwan
Peak season
Summer, Autumn
Notable varieties
Common green, Purple/red atis, Thai-lessard, Atemoya (hybrid with cherimoya)

Sensory & practical profile

Taste fingerprint

  • Sweetness
  • Tartness
  • Aroma
  • Juiciness
  • Firmness

Approximate, at peak ripeness · 0–5

Ripe when
Gives to a gentle squeeze and the scales separate slightly, showing cream-coloured valleys.
How to eat
Pull it apart and eat segment by segment — nature's custard, no spoon needed.
Typical price
Everyday

Its glossy black seeds were traditionally crushed as a head-lice remedy — toxic if chewed, harmless swallowed whole.

How to select & store

Picking a ripe one

Ripe atis gives to a gentle squeeze and the scales separate slightly, showing cream-colored valleys. Hard fruit ripens at home; black cracks and fermented smell mean too late. Handle like eggs.

Storing it

Counter until soft (often just a day or two), then eat — refrigeration is a brief pause, not storage. The pulp freezes well seeded, which is the only way it travels.

Practical uses

🍽️ Culinary

  • Pulled apart and eaten segment by segment — nature's hand food
  • Atis shakes and ice cream where abundance allows seeding en masse
  • Atemoya and cherimoya cousins in fancy fruit plates
  • Taiwanese "pineapple custard apple" — a major cultivated export

🌿 Health & traditional

  • Leaves used in Philippine and Indian folk practice (poultices, teas); seeds traditionally crushed as a natural head-lice remedy — never ingested

🎎 Cultural

  • A Filipino backyard classic — September atis season is a childhood memory engine
  • Taiwan turned atis into a flagship crop of Taitung, exporting custard apples across East Asia

Eating sugar-apple: what to know

What regular consumption looks like

Sugar-apple is a nutritious everyday fruit, best enjoyed as part of a varied diet. It is a good source of fibre (about 4.4 g per 100 g), which supports digestion and satiety. It is a good source of vitamin C (about 36.3 mg per 100 g), supporting immune function and helping the body absorb iron from plant foods.

Sensible amounts

A typical fruit serving is roughly a handful, one medium fruit, or about 80 g, and two or more varied fruit servings a day is a sensible everyday pattern. Because it is high in natural sugar, keep portions modest if you are watching blood sugar or weight — whole fruit's fibre softens the sugar hit, but juices and dried forms concentrate it and are easy to over-eat.

Evidence & conditions

As a whole fruit, Sugar-apple contributes fibre, vitamins, and beneficial plant compounds, but it has not been shown to treat or prevent any specific condition — so it is best enjoyed as part of a healthy diet rather than as a remedy.

Safety notes

  • As with all custard-apple relatives, the seeds are toxic and must never be eaten — discard them.

Sugar-apple: frequently asked questions

What does sugar-apple taste like?

Intensely sweet, custardy, and floral — vanilla, pear, and rosewater — with grainy-silky flesh that dissolves like soft meringue. Each segment wraps a glossy black seed (spit them; they're mildly toxic crushed).

When is sugar-apple in season?

Sugar-apple is mainly a Summer and Autumn fruit, with exact months depending on the growing region and hemisphere.

How do you eat sugar-apple?

Pull it apart and eat segment by segment — nature's custard, no spoon needed.

How do you know when sugar-apple is ripe?

Gives to a gentle squeeze and the scales separate slightly, showing cream-coloured valleys.

Is sugar-apple good for you?

Sugar-apple is a nutritious everyday fruit, best enjoyed as part of a varied diet. It is a good source of fibre (about 4.4 g per 100 g), which supports digestion and satiety. It is a good source of vitamin C (about 36.3 mg per 100 g), supporting immune function and helping the body absorb iron from plant foods.

How much sugar-apple should you eat?

A typical fruit serving is roughly a handful, one medium fruit, or about 80 g, and two or more varied fruit servings a day is a sensible everyday pattern. Because it is high in natural sugar, keep portions modest if you are watching blood sugar or weight — whole fruit's fibre softens the sugar hit, but juices and dried forms concentrate it and are easy to over-eat.

What else is sugar apple called?

Atis in the Philippines, sweetsop across the Caribbean, srikaya in Indonesia and Malaysia, sitaphal or sharifa in India, noi-na (น้อยหน่า) in Thailand, and anón in parts of Latin America. It is also loosely called custard apple in English, which causes constant confusion with its relatives.

What is the difference between sugar apple, cherimoya, atemoya and custard apple?

They are four different fruits in the same genus. Sugar apple (Annona squamosa) is small and knobbly with segments that pull apart in your fingers. Cherimoya (Annona cherimola) is larger, with smoother scaled skin and a creamier, more aromatic flesh. Atemoya is the deliberate hybrid of the two. "Custard apple" is the loosest term of all — in India and the Philippines it usually means sugar apple, in Australia it means atemoya, and botanically it belongs to Annona reticulata, the bullock's heart. When a recipe says custard apple, check which country wrote it.

How do you know when a sugar apple is ripe?

The segments separate slightly, so the skin looks like it is opening along its seams, and the whole fruit gives to gentle pressure — much like a ripe avocado. Colour shifts from hard grey-green to a paler, yellowish or dusty green. Hard fruit ripens on the counter in a few days. Once ripe it lasts barely a day or two, and it splits if you leave it.

Can you eat sugar apple seeds?

No. Like other Annona fruits, the glossy black seeds are toxic and are spat out, never chewed or blended. Historically the crushed seeds were used as an insecticide. The white flesh around them is the edible part.

Atis is engineered for eating with your hands: the knobby rind pulls apart along its scales, and each segment is a self-serving spoonful of custard with a seed for a handle. No knife, no bowl, maximum stickiness, total satisfaction — the definitive Filipino backyard fruit, gone from tree to memory in the September flood.

The custard-apple family tree

Annona squamosa is the small sweet one; soursop the big sour one; cherimoya the refined Andean one; and atemoya the deliberate hybrid (atis × cherimoya) that Taiwan grows at export scale as “pineapple custard apple.” All share the same design language: pale custard flesh, black seeds, reptilian rind.

Seeds are not food

The glossy black seeds slip out clean and were traditionally used, not eaten — crushed into a paste against head lice in Philippine and Indian folk practice. They contain annonacin and are genuinely toxic if crushed and swallowed, and dangerous to eyes. Swallowing one whole by accident is harmless; just don’t chew them, and keep the crushed-seed remedies external and historical.

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Photo: Forest and Kim Starr · CC BY 3.0 US / Wikimedia Commons

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