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ripen up

To grow ripe; to become mature enough to harvest or pick. Make sure you plant your tomatoes in a spot that gets plenty of sunshine, or else it will take a whole lot longer for them to ripen up.
See also: ripen, up

ripen into something

1. Lit. to ripen and become something recognizable. This little green ball will ripen into an apple.
2. Fig. to mature into something. This problem is going to ripen into a real crisis if we don't do something about it right now. The small matter ripened into a large problem in a short time.
See also: ripen
References in periodicals archive ?
While vineyards in some cool grape-producing regions may continue to see grape quality rise, vineyards in currently warm climates might be challenged by increased drought, fruit that ripens before its flavors fully develop, and larger or more-frequent infestations of disease or agricultural pests.
Early apples will ripen as early as in August and late apples can go into October or even November before they are ready to pick.
The fruit takes five to six days to ripen in 26 special high-pressure bays and remains in a marketable state for just another few days, so the process requires a high degree of teamwork from Keelings' 100 staff.
Because pears ripen from the inside out, they ripen best off the tree.
Bell peppers can mature green as well as red, orange, yellow, or maroon; pimientos ripen red; wax types go from yellow to orange or red.
Also," she notes, "a clearer understanding of the ripening phenomenon could guide efforts to genetically engineer melons that would ripen on demand.
The second - and heavier - crop, harvested in the summer and fall, ripens on the current season's growth.
ethylene affects the rate at which fruit ripens or petals fade.
As this pear ripens, the green skin turns a brilliant yellow and the freckles become brilliant crimson.
The first, which forms on the previous year's growth, ripens in summer (usually in June and July).
However, as it ripens, the peel softens and its oil content diminishes--signaling the flies to come and feast.
The pineapple, unlike most fruits, does not continue to ripen once it has been harvested.
A solution finally may be at hand for the number-one consumer gripe about America's favorite fresh fruit: bananas and their tendency to quickly ripen and soften into an unappetizing mush.