Concord seedless
grapes will not continue to ripen after they've been picked.
Despite the name, Concord seedless grapes are not the seedless variety of Concord grapes. Seedless Concords are a separate grape type and feature smaller clusters and berries than Concord grapes. They have the same blue-black color, and growers tout them for robust, juicy flavor. Common uses for seedless Concord grapes include jelly, preserves, pies, wine and juice. Growing productivity often is inconsistent, making the seedless Concords better for home grape growers than commercial producers. Gardeners must ripen the grapes on the vine, as they won't continue to ripen after they are picked.
Instructions
1. Plant seedless Concord grapevines in an area that gets a lot of sunlight. Pick a place where the leaves, not necessarily the berries, will soak up sunlight. Opt for southern exposure, which gets more sunlight than northern facing garden plots.
2. Train the grapevines to climb walls, trellises or other vertical surfaces. This allows the vines to get more sunlight during the growing and ripening process.
3. Allow the grapevine leaves unfettered access to sunlight as the berries grow. Cut back on competing foliage, and remove any existing obstacles.
4. Watch the grapes for change of color, which signals the berries are ripening. Test several grapes as ripening progresses. Wait until the grapes are sufficiently ripe before harvesting them.
5. Cover the grapevines with netting that allows sunlight penetration but detracts birds from feasting on the grapes during ripening, if necessary.
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