A man waters romaine lettuce in a garden
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The Best Method For Harvesting Romaine Lettuce
By leaving romaine lettuce's roots and an inch or so of its leaves in the ground when harvesting, the head will sprout back up within a few weeks.
This method, called cut-and-come-again harvesting, will allow you to harvest the lettuce two to four more times throughout the growing season.
The most effective way is to cut no more than a third of the plant's leaves at any given time, as that allows it enough greenery to continue to collect light and grow.
Use pruning scissors to remove the leaves from the outer part of the plant, since they are more robust and fast-growing. Leave 1 to 2 inches of each leaf
in place at the bottom.
If you need more leaves, go up the stem and snip a large bunch, leaving about 4 inches of leaves. Your romaine will take longer
to grow with this method, often two to three weeks.