How to pick a ripe watermelon

Four simple checks that work at the grocery store, farmers market, or Hermiston farm stand.

1. Look at the field spot

The field spot (or ground spot) is the creamy yellow patch where the melon rested on the soil. A deep yellow spot usually means the melon ripened fully on the vine. White or pale green spots often indicate under-ripe fruit.

2. Listen for the thump

Tap the melon with your knuckles. A ripe watermelon produces a deep, hollow sound. An unripe melon sounds more solid or metallic. It takes practice — compare a few melons side by side.

3. Check the stem

A dried, brown stem end suggests the melon was harvested at maturity. A green, fresh-looking stem may mean it was picked early. For Hermiston melons in season, distributors typically harvest at peak ripeness for short-haul shipping.

4. Weight and shape

A ripe watermelon should feel heavy for its size — that's water content. Symmetrical shape is fine; minor scarring on the rind does not affect internal quality. Avoid soft spots, cracks, or mold.

Hermiston tip: Melons shipped regionally in July and August from Umatilla County are usually picked at peak sugar. Buy in-season for the best flavor.