Onions are ready when their tops flop over and turn brown.

Since cucumbers are quick growers, they become overripe quickly. Knowing when your cucumbers are ready to pick is an essential part of getting a yummy harvest.

“The best way to determine if your vegetables are truly ready to harvest is by looking at them and, most importantly, tasting them,” says Nastya Vasylchyshyna, resident botany expert at Plantum.

Cucumbers are considered mature when their bumpy skin smooths out. You’ll know sweet corn is ready as soon as the silk at the top of its ear turns brown.

Cucumbers are considered mature when their bumpy skin smooths out. You’ll know sweet corn is ready as soon as the silk at the top of its ear turns brown.

How to tell when your garden veggies are ripe for harvesting It’s about time to begin harvesting garden-grown vegetables.