RUBY SKY BY RIJK ZWAN 
Has a bit more blistered leaves (savoyed and more red color than the typical red leaf varieties)
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This red Batavia lettuce variety is heat resistant and has “cut and come again” harvesting. They are also called French lettuce and have sweet ribs and tender leaves. We sell several types of Batavian lettuce plants, with different colors, sizes, and flavors to suit any salad lover. Try growing Batavian lettuce and bring some interest to your vegetable crisper.
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Batavia lettuce is a summer crisp variety that will germinate in warm temperatures (Suitable for the Philippines ' tropical climate) and is slow to bolt. This lettuce plant variety also produces beautifully on cool days like most other lettuce varieties. The sweet, firmly ribbed leaves are purple-green-red, lime green, light green, and white hues. When several kinds of Batavia lettuce are planted in a bed, their ruffled leaves and variety of colors make for an attractive and tasty display.