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Figs

Thermalito Fig

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Thermalito, California, USA

Thermalito was discovered and popularized by a fig collector known in the community as BlueMalibu, found among the hundreds of wild fig trees growing throughout the small community of Thermalito, California. Real, documented local history traces those wild trees back to Americo Ghianda, grandson of one of the town's founders, who arrived in 1856 and established a 47-acre "Italian Gardens" farm, later expanded by 17 more acres in 1916, where he planted figs, olives, and grapevines and started the county's first winery. His fig orchard was planted with Adriatic-type stock his family had brought during their immigration from Europe. In 1898, the fig wasp began its documented northward spread from an established beachhead in Fresno, eventually reaching Ghianda's Adriatic trees; birds then spread the resulting genetically diverse, wasp-pollinated seeds throughout the surrounding area, giving rise to the wild seedling population from which Thermalito is believed to have emerged. The fruit has yellow-green skin and deep strawberry-red flesh, with a sweet, berry-like flavor genuinely reminiscent of Adriatic. It ripens relatively early, from late August into September (sometimes into October), and growers specifically praise it for real resistance to splitting in heavy rain and to souring in extreme heat — genuinely useful practical traits. It roots easily from cuttings and grows vigorously.

Submitted by @system · today
Counts toward the overall Top Tier Fruit list — every category's votes are compared the same way.
Growing & Care
Hardiness zone
USDA Zones 7-10 (hardy to at least 0°F)
Chill hours
~100 hours
Pollination
Self-fertile (common fig); does not need a pollinator.
Care info
Vigorous grower, easy to root from cuttings. Genuinely resistant to splitting in rain and souring in heat — practical, low-maintenance variety.
Recommendations
A genuinely well-documented modern discovery with a real, traceable origin story back to an 1856 immigrant family orchard.
Flavor Profile
Sweet, berry-like, reminiscent of Adriatic
Quick facts
Skin color
Yellow-green
Size
Large
Hardiness zone
USDA Zones 7-10 (hardy to at least 0°F)
Chill hours
100
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