Korean persimmons: which ones you can eat firm, and how to ripen, dry and store the rest

A Korean persimmon is one of two kinds of fruit, and you can't tell which from the shape.
Dangam, the sweet persimmon, is eaten firm and crisp, like an apple.
Most other fresh persimmons in a Korean market are astringent: they have to soften completely, or be dried or frozen, before they taste good.
Bite into a firm astringent persimmon and your mouth goes dry and furry.
That one mistake is the reason most of this guide exists.

Sweet or astringent: the split that decides everything

According to Korea's National Institute of Forest Science, dangam was introduced from Japan and is now grown in many cultivars, while Korea had been growing astringent persimmons long before that.
The astringency comes from tannin.
That is why astringent fruit isn't eaten firm the way dangam is.
It is turned into hongsi (the soft, fully ripened fruit) or gotgam (dried persimmon).

Drying and freezing get rid of the astringency too.
The institute lists dried persimmon pieces, bangeonsi, gotgam and ice hongsi as easy ways to eat astringent fruit, because drying or freezing turns the soluble tannin into an insoluble form, and the puckering taste goes away.

That dry, furry feeling is the soluble tannin.
One expat blog warns that a hongsi eaten before it is fully ripe "tastes bitter and leaves your mouth feeling fuzzy and dry." That means the fruit wasn't ready yet.

Eight persimmon forms you'll see in Korea

Box and price-tag names are romanized below, with what the word means.

Types and the tannin effect are from the National Institute of Forest Science.
Drying times and gotgam storage are from the Korean Food Promotion Institute.
Ripening and fridge advice are from US university extension guides, including UF/IFAS.
Checked November 2026.

Flat doesn't mean sweet: Cheongdo Bansi

Cheongdo Bansi is a seedless persimmon from Cheongdo.
The county's English site says the name means "flat persimmon," because the fruit is flat rather than elongated.
Because dangam is also squat, it's easy to assume a flat persimmon is a sweet one.
It isn't.
A National Institute of Forest Science fact sheet groups Cheongdo Bansi with Korea's astringent persimmons, and when bansi ripens, it becomes hongsi.
A 2005 report from Cheongdo noted that the seedless fruit is used for hongsi and should be eaten before it gets too soft.

How to pick at the stall: read the name, then squeeze

Shape won't tell you what you're holding, so use two checks instead.

1. Read the name on the box or price tag. If it says dangam, the fruit is meant to be eaten firm. Daebong, bansi or hongsi all mean astringent fruit. Labels are printed in Korean, so match them against the card below, or point your phone camera's translate feature at the label.

2. Squeeze gently. Firm dangam is right. Astringent fruit is ready only when it is soft all over. If it is firm anywhere, it needs more days.

If there's no label, ask the seller "dangam?" A yes or no is enough.
Firm astringent fruit isn't a wasted purchase.
It just isn't for today.
Buy it if you can wait (see the ripening steps below), or buy hongsi that has already softened if you want to eat it tonight.

When is dangam in season?

Dangam comes in waves from late September into November, depending on the cultivar.
Korea's Rural Development Administration gives these ripening periods, which vary with weather and region:

• Seochon-joseng: late September, an early cultivar of about 200 g.

• Taechu: mid-October, large fruit averaging about 380 g.

• Buyu (Fuyu): late October to early November, the classic late cultivar.

So a firm persimmon you see in September is most likely an early dangam, and by November you'll find dangam, hongsi and the first dried forms on sale together.

Ripening a firm daebong or bansi at home

Leave it at room temperature until it is completely soft.
A closed bag with an apple or banana speeds this up.
Both fruits give off ethylene, the ripening gas.
A UF/IFAS extension guide suggests putting 3–4 persimmons and one apple or banana in a clean paper bag, closing it, and keeping it somewhere warm.

• Check every day. The same guide warns that fruit left unchecked can overripen.

• Timing is a range, not a promise. UF/IFAS says bagged fruit usually softens in 2–3 days, depending on how hard it was, and fruit left on the counter takes several days to a week. That guide was written for astringent fruit grown in the US. Use the squeeze test, not the calendar.

• Ready means jelly. It's ripe when the whole fruit is soft and feels almost like jelly when pressed. Any firm spot means it isn't done yet.

There's also a shortcut if you can't wait.
UF/IFAS notes that freezing an unripe astringent persimmon for about a day reduces the astringency.
The thawed fruit goes soft, but it hasn't really ripened, so it works better for puréeing than for eating as fresh fruit.

Eating hongsi

Ripe hongsi is soft and very sweet, and it's eaten as it is.
There's no slicing, because the flesh is too soft to hold a shape.
A popular alternative is to freeze it and eat it like sherbet, which is the idea behind the ice hongsi sold frozen in shops.
Eat ripe hongsi within a short time.
It keeps softening, and the 2005 report from Cheongdo advised eating it before it gets too soft.

Gotgam and bangeonsi: the freezer, and the white powder

Gotgam goes in the freezer, not the fridge.
The Korean Food Promotion Institute explains that its high sugar content lowers the freezing point, so it doesn't freeze hard even in the freezer.
Take it out and let it sit at room temperature before eating.

The white coat is the part people throw away by mistake.
As gotgam dries, it forms a white, powdery coating.
According to the same institute, this is concentrated sugar and glucose that has come to the surface, not mold, and the fruit is fine to eat.

Bangeonsi is half-dried, so it stays chewy and moist inside.
The institute's freezer advice is for gotgam; for bangeonsi, follow the storage note on the pack.
The difference is the drying time: about 35 days for bangeonsi and about 60 days for gotgam before shipping, according to the institute.

Where to see persimmons drying: Sangju

Sangju is the heart of Korean gotgam.
A 2021 Korean Food Promotion Institute article put its share at 60% of the country's gotgam production.
Sangju Dried Persimmon Park is the city's public showcase for it.
Its exhibition and experience hall covers persimmon picking, peeling and hanging, and the building also has a souvenir sales area and a cafeteria.

From Sangju City's English park page, checked November 2026. The page doesn't say which months count as summer or winter, so confirm before a late-afternoon visit.

The rows of hanging, drying persimmons are a seasonal sight.
Astringent fruit is harvested in autumn and then hangs for weeks, so late autumn into winter is when you're most likely to see it.
The Sangju Dried Persimmon Festival is held every year, and its dates are announced each year.
For the coming season, check the Sangju Dried Persimmon Festival official site and the park's page on Sangju City's English site.