Do melons come back every year on their own? No, they do not. Melons are annual plants that live for just one growing season. You need to plant new seeds or transplants each spring to get another crop.
In my experience, this cycle plays out the same way every year in my garden. Seeds go in warm soil in late May and vines grow all summer. I get fruit by August when the plants are at their peak. Then first frost hits in fall and the whole plant turns to mush. Nothing comes back the next spring.
The question of whether melon annual or perennial comes up a lot for new growers. Melons complete their full life cycle in one season. They sprout, grow vines, make flowers, set fruit, and produce seeds. Then the plant dies off no matter what you do. This is how annual plants work.
Some gardeners find volunteer melon plants popping up where fruit rotted the year before. These grew from seeds that fell to the ground not from the old roots. The parent plant is long dead. These seedlings are brand new plants starting from scratch.
You can save seeds from heirloom melon types for replanting melons yearly. Michigan State says stored melon seeds stay good for about 3 years in a cool dry spot. This saves money and lets you grow the same variety again each season.
Hybrid varieties will not grow true from saved seed so you need to buy those fresh each year. The seeds you save from a hybrid melon grow plants that look different from the parent. Stick to heirloom types if you want to save your own seeds.
Plan your garden knowing that melon spots will be empty each spring until you plant again. Start seeds indoors 3-4 weeks before your last frost date. Or buy transplants from a garden center when the soil warms up. Either way you need to take action each year.
I like to rotate where I plant melons each season to keep soil healthy. Since they start fresh every year you can put them in a new spot with no trouble. This helps break disease and pest cycles that build up when you grow the same thing in the same place.
The annual nature of melons means more work for you each spring but also gives you a fresh start. Bad soil or disease from last year stays behind when you move to a new bed. Think of replanting melons yearly as a chance to improve your setup and try new varieties.
Read the full article: Growing Melons: 9 Reliable Steps for Sweeter Results