Gadenin日本語Get the appTwo crops, one tree
This is the thing that catches out everyone growing jujubes for the first time. The fruit does not have a single point of ripeness. Picked when the skin is still mostly pale green to yellowish-brown with patches of reddish color, the flesh is white, crisp, juicy and mild, and eating it is a great deal like eating a small apple. Left hanging, the same fruit turns fully mahogany brown, then wrinkles, dries and darkens on the tree until it is chewy, sticky and intensely sweet, much like a date.
Neither stage is the correct one. They are two different foods from one tree and they do not keep the same way, taste the same way or suit the same uses. Most growers pick over the tree several times and take some at each stage, which is easy because jujubes ripen unevenly over several weeks rather than all at once.
| Stage | Skin appearance | Texture and flavor | Best for |
|---|---|---|---|
| Too early | Solid green, hard | Starchy, bland, slightly bitter | Nothing. Leave it on the tree |
| Crisp stage | Pale yellow-green with red-brown patches | White, crisp, juicy, mildly sweet like a light apple | Fresh eating, salads, snacking |
| Full brown | Entirely reddish-brown, still smooth and firm | Sweeter, denser, texture starting to soften | Fresh eating with more sweetness, cooking |
| Wrinkled | Dark brown, shriveled skin, lighter in the hand | Chewy, sticky, very sweet, date-like | Drying, storing, baking, tea, stews |
| Overheld | Very dark, split, soft, insects present | Fermented, sour | Compost. Clear from tree and ground |
Reading the fruit on the tree
Color is the main signal, and it arrives as patches rather than an even blush. A fruit changing from green to brown does so in irregular blotches that spread and join up, and the crisp stage is when roughly half the surface has turned. At that point the fruit snaps when you bite it and the inside is white.
Do not use size as a ripeness guide. Jujubes reach full size well before they are ready and can hang at full size and solid green for weeks. And do not wait for softness at the crisp stage; a jujube that has gone soft has passed the crisp window entirely and is on its way to being a date.
- Start checking as soon as any color appears Once you see the first brown patches anywhere on the tree, taste one fruit every few days. Trees vary and so do seasons, and one tasted fruit settles the question faster than any description.
- Pick crisp fruit by hand with a twist A ripe jujube separates easily with a slight twist and lift. If you have to pull hard, it is not ready. Take the fruit with its short stalk rather than tearing the skin at the stem end.
- Go over the tree every three or four days Ripening runs over four to six weeks and no two fruits are on the same schedule. Repeated light picking gives far more usable fruit than one big harvest.
- Decide which branches you are leaving to wrinkle Rather than choosing fruit by fruit, leave part of the tree unpicked and let that section dry down. It keeps the two crops separate and stops you second-guessing every fruit.
- Collect wrinkled fruit before it splits Dried fruit is ready when it is uniformly wrinkled and noticeably light. Split, weeping or insect-marked fruit has gone too far; take it off and clear it away rather than leaving it hanging.
Wet weather during the wrinkling stage causes fruit to split and spoil on the tree. In a climate with rain at that time of year, take the crop at the crisp or full-brown stage and finish the drying indoors instead.
What happens if you leave it too long
Fruit held past the wrinkled stage ferments, splits and attracts wasps, ants and fruit flies, and the fallen fruit under the tree carries the problem into next season. The cost is not only the wasted fruit; a tree that is regularly left to drop a heavy crop builds up pest pressure that shows up as maggoty fruit the following year.
Clear windfalls as you pick. This is a five-minute job each visit and the single most effective pest measure available to a jujube grower.
Keeping what you pick
Crisp jujubes keep about a week at room temperature and up to three or four weeks refrigerated in a loosely closed bag, though they slowly lose their snap and start moving towards the date stage even in the cold. Eat these first.
Fruit picked at the full brown stage will wrinkle indoors if you spread it in a single layer somewhere warm, dry and airy for one to two weeks, turning it occasionally. Finished dried jujubes stored in a sealed jar keep for many months at room temperature. Check the jar after the first week; any fruit that was not fully dry will show as condensation or mold and needs pulling out before it spoils the rest.
The harvest record that pays for itself
Write down, each year, the date you first saw brown patches, the date of your first crisp picking, the date the first fruit wrinkled on the tree, and the date you finished. Jujube ripening is remarkably consistent from year to year on the same tree in the same place, so after two seasons those dates predict the next one closely enough to plan around.
Also record roughly how much you took at each stage and whether you wished you had taken more crisp or more dried. Most growers find after a year or two that their split is wrong in a predictable direction, and the note is what lets them correct it instead of making the same call again.