Summer Bibb Lettuce carries the legacy of Lieutenant John B. Bibb, a Kentucky politician and amateur horticulturist who developed this beloved variety in the 1800s, though it didn't reach commercial markets until 1935. This striking lettuce forms crisp heads with ornamental light green leaves dotted with quarter-inch red spots, often self-blanching in the center for that signature tender Bibb texture. Hardy across zones 2-10, it delivers a harvest in just 40-49 days while showing remarkable heat tolerance, resisting bolting longer than traditional buttercrunch varieties when summer temperatures climb.
8
Full Sun
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2-10
10in H x ?in W
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Moderate
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What sets Summer Bibb apart is its exceptional heat resistance combined with the classic Bibb tenderness that made Lieutenant Bibb's creation famous. The beautiful light green leaves speckled with distinctive red spots create an ornamental quality that makes this lettuce as stunning as it is delicious. Growing quickly in cool weather yet holding strong when temperatures rise, this variety bridges the gap between spring and summer harvests. University extension offices across eleven states from California to Florida recommend it as a reliable performer, testament to its adaptability and proven track record in diverse climates.
Summer Bibb excels in applications where its tender texture and mild flavor can shine, making it perfect for delicate salads, elegant sandwich layers, and as attractive lettuce cups for wraps and appetizers. The self-blanching centers provide extra sweetness and tenderness, while the colorful speckled leaves add visual appeal to mixed greens and farmers market displays. Its compact 5-10 inch heads make portion control easy, and the sturdy yet tender leaves hold up well to light dressings without wilting.
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Harvest Summer Bibb when heads reach 5-10 inches in height and feel firm yet tender, typically 40-49 days from sowing. Look for the characteristic self-blanching in the center, where inner leaves become pale and extra tender. Cut the entire head at soil level in the cool morning hours for best quality, or harvest individual outer leaves while allowing the center to continue developing. The heads maintain their quality longer in heat than other Bibb varieties, giving you a wider harvest window.
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“Lieutenant John B. Bibb served his country in the War of 1812 and his state of Kentucky in both the House of Representatives and Senate from 1827 to 1834, but his lasting contribution to American gardens came through his passion for horticulture. As an amateur plant breeder, Lt. Bibb developed the tender, sweet lettuce that would bear his name, creating what became the foundation for all Bibb lettuces we know today. Despite its 19th-century origins, commercial seed companies didn't offer Bibb lettuce until 1935, nearly a century after its development. Summer Bibb represents an evolution of Lt. Bibb's original work, bred specifically to extend the growing season with improved heat tolerance while maintaining that characteristic mild flavor and wonderful tenderness.”