You can tell kiwi fruits ripe and ready by using a gentle squeeze test on the fruit. Press your thumb softly against the skin and feel for a slight give. Rock hard means not yet ready. Soft and mushy means you waited too long. That perfect middle stage where flesh gives just a bit tells you it is time to eat.
The kiwi ripeness test works best when you know what to feel for through practice. Unripe fruit feels like a tennis ball with no give at all. Fully ripe fruit dents at light touch like a ripe peach. The sweet spot between these two stages lasts only a few days so check your fruit daily as harvest time gets close.
I lost my whole first harvest by waiting for perfect ripeness on the vine. A hard frost hit in late October and turned my fruit to mush overnight. Now I know to pick when harvest kiwi are still firm and let them finish indoors. This method saves your crop from weather and gives you ripe fruit for weeks instead of all at once.
Kiwi build up sugar right until the end of their growth cycle. Hardy types reach 18-25% sugar content at peak ripeness which gives them their sweet flavor. This last burst of sweetness happens whether fruit hangs on the vine or sits on your counter. Picking firm and ripening inside works just as well as waiting on the plant.
Signs Fruit Can Be Picked
- Black seeds: Cut one fruit open and check that seeds have turned from white to solid black which shows full size.
- Color shift: Skin changes from bright green to a deeper duller green or brown depending on your variety type.
- Easy snap: Stems break clean from the vine with a light twist rather than pulling strings of tissue along.
Storage for Later Ripening
- Cold holds: Firm picked fruit keeps 6-8 weeks in your fridge without going soft or losing flavor quality.
- Room temp ripens: Move fruit from fridge to counter when you want it ripe in 3-7 days for eating.
- Speed it up: Put kiwi in a bag with an apple or banana to ripen faster from the gas these fruits give off.
When to Pick Your Crop
- Beat the frost: Get fruit inside before temps drop below 28 degrees Fahrenheit which damages the flesh.
- Pick all at once: Harvest your whole crop in one session rather than leaving some to chance on the vine.
- Late season: Most hardy kiwi ripen in October or November depending on your zone and variety.
Fuzzy kiwi from the store get picked rock hard and shipped cold across the world. They ripen fine on your counter weeks later. Your home grown fruit works the same way. Pick when seeds turn black and skin dulls slightly even if fruit still feels very firm. It will sweeten up inside your house.
Hardy kiwi soften faster than fuzzy types once you bring them inside. Check your stored fruit every few days and pull out any that start to give when you press them. One soft fruit in a bag can make the others ripen faster than you want. Spread them in a single layer if you want them all to last longer.
Your first few harvests will teach you more than any guide can about when your specific variety and site produce the best fruit. Keep notes on pick dates and how long fruit took to ripen each year. After two or three seasons you will know the perfect window for your garden and can harvest with confidence every fall.
Read the full article: Growing Kiwi: Expert Plan for Home Gardeners
