When Are Tomatoes Ready to Pick and How Do You Harvest Them?

Tomatoes are one of the most satisfying crops to harvest, but also one of the most frequently picked at the wrong moment. Pulled too early they are mealy and acidic; left too long they split, rot, or attract wasps. The good news is that tomatoes offer several reliable signals that tell you the moment has arrived.

Colour Is the Primary Indicator

For most red varieties, look for a deep, even colour with no remaining green patches at the shoulders. Yellow and orange varieties should show full, saturated colour without green. Cherry tomatoes are ripe when the skin is taut, slightly glossy, and the fruit releases easily with a gentle twist. Beefsteak and other large varieties should show colour right to the stem end — green shoulders on a red tomato usually mean the fruit was picked a day or two too early. The one exception is green-when-ripe varieties like Green Zebra; these are ready when the skin turns slightly yellow-green and the fruit gives gently to thumb pressure.

The Squeeze Test

Ripe tomatoes yield slightly under gentle pressure — like a tennis ball rather than a golf ball. A tomato that feels rock solid is underripe. One that collapses or feels mushy is overripe. The sweet spot is firm but with just enough give. Once you have this feel in your hand, you will never second-guess it again. Check the blossom end specifically; it softens before the shoulder does on most varieties.

How to Detach Without Damaging the Plant

Twist gently and lift — a ripe tomato should come away cleanly. If you have to pull hard, leave it another day. Cutting with secateurs at the knuckle above the fruit is a good alternative for large beefsteak types that resist twisting. Avoid squeezing the fruit during harvest; fingerprint bruises turn into rot patches within days. For cherry tomato varieties, snipping the whole truss once most fruits are coloured saves time and looks attractive in the kitchen.

Ripening Green Tomatoes at the End of Season

When frosts approach, bring green tomatoes indoors. Place them in a single layer in a warm spot — not in the fridge, which kills the ripening process. A drawer in a heated room, or beside a bunch of bananas (which release ethylene gas), will ripen them in 1–2 weeks. Check daily and remove any that show signs of rot. Truly green tomatoes that show no colour at all are best used in cooking — green tomato chutney is a garden classic and uses an entire late-season glut in one go.