Watermelon

Citrullus lanatus · Cucurbitaceae family

Move beyond a wedge: pair watermelon with grilled cheese, or turn its pulp into a chilled mousse.

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Get to know it

Watermelon is a sweet, juicy fruit from a sprawling vine in the cucumber family. Its flesh is more than 90% water, so each bite releases a mouthful of juice. Beneath the green rind, the flesh can be red, pink or yellow.

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What it tastes like

As mild as a banana, as sweet as a pear≈

Not sweetlemonSweet
MildapplelemonSour
SoftbananaappleCrisp
More about the taste

Watermelon is sweet and very watery. Its firm rind encloses the flesh; seedless watermelon is a triploid type bred to be seedless, distinct from ordinary seeded varieties.

The flesh is juicy; named varieties include red-fleshed Mini Love and yellow-fleshed Sunshine.

Sugar content is highest when the melon develops fully on the vine; waiting after purchase doesn't make up for early harvest.

A tasting invitation

Compare flesh near the center with flesh closer to the rind for texture and sweetness, and taste different flesh colors rather than judging by appearance.

Choose, ripen, store, eat

  1. 1ChooseYellowing ground spot

    Look for

    • Yellowing ground spot
    • Duller rind
    • Darkened, dried tendril
    • Heavy for its size
    • Intact rind

    Ignore

    • Tapping the rind

    In the garden, look for a yellowing ground spot, a duller rind and a darkened, dried tendril nearby, the signs of maturity. A seedless label means fewer hard seeds to remove; flesh color and flavor vary between seedless melons.

  2. 2RipenDoesn’t ripen after picking
    Doesn’t ripen after picking

    Watermelon develops its sweetness on the vine. An immature melon won't get sweeter on the counter.

  3. 3StoreCounter, whole, freshly harvested
    1. CounterWhole, freshly harvested
    2. FridgeCut piecesCovered container

    A freshly harvested whole watermelon keeps about a week at room temperature; that clock started at harvest, not at purchase.

  4. 4EatFlesh · not rind, leaves

    Eat

    Flesh

    Not eaten

    RindLeaves

    The flesh is the food, not the rind, leaves or watermelon radish (a different vegetable). Even seedless watermelon can have small white seed coats; these are soft and edible.

More tips

A useful detail The ground spot marks where the melon rested on the soil. As it ripens, this spot turns from pale toward yellow — one maturity clue among several, not a measure of sugar content.

Worth knowing

  • A few days on the counter won't rescue an immature watermelon. Harvest timing matters before it ever reaches the shop.
  • Watermelon flesh color doesn't tell you how sweet it is, though it can sway how sweet it seems.

Detroit, Michigan

When it’s good here

Grown hereAug–Sep
Ships from WashingtonLast chance

62 growing areas, 17 countries

  • Antalya
  • Aomori
  • Aydın
  • Bahia
  • Cáceres
  • California
  • Castellón
  • East Java
  • Espírito Santo
  • Florida
  • Georgia
  • Greater Accra
  • Hawaii
  • Ica
  • Johor
  • La Libertad
  • Mendoza
  • Nagano
  • New South Wales
  • Northern Territory
  • Okinawa
  • Ontario
  • Pahang
  • Pará
  • Rio Grande do Sul
  • Santa Cruz de Tenerife
  • South Africa
  • South Australia
  • Washington
  • Yogyakarta
  • You
Grows hereIn season nowOther monthsYou

6 of 22 areas · October

51

Growing areas by country

  1. United States13
  2. Spain9
  3. Brazil7
  4. Australia6
  5. France4
  6. Peru4
  7. Türkiye4
  8. Japan3

and 12 more countriesand 9 more countries

28 varieties

See all 28 varieties

45 names in 25 languages

Cook it

How to serve it first

Cut a small tasting wedge before preparing the whole melon. Serve cubes simply with mint, or blend some into a chilled drink. Add lime or other flavors gradually — a good melon needs very little help.

Recipes 4

8 watermelon festivals

Fiesta Nacional de la SandíaJanArgentina Santa Ana, Entre Ríos, Argentina · Organiser ↗Jan
Chinchilla Melon FestivalFebAustralia Chinchilla, Queensland, Australia · Organiser ↗Feb
Daxing Watermelon FestivalMayChina Beijing, China · Organiser ↗May
Gochang Bokbunja and Watermelon FestivalJunSouth Korea Gochang, North Jeolla, South Korea · Organiser ↗Jun
Luling Watermelon ThumpJunUnited States Luling, Texas, United States · Organiser ↗Jun
Hope Watermelon FestivalAugUnited States Hope, Arkansas, United States · Organiser ↗Aug

Strange but true

If you like Watermelon

Nutrition, sources

Nutrition

Watermelon, raw · per 100 g

Energy30kcal · 127 kJ
Carbohydrate
7.6 g
Fiber
0.4 g
Sugars
6.2 g
Protein
0.6 g
Fat
0.2 g
Vitamin C
8.1 mg
Potassium
112 mg

Sources

Watermelon · Fruitopia · checked Sep 23, 2026

What we don't know yet

The one-week whole-melon storage guidance doesn't apply to cut watermelon, which won't keep nearly as long.