Kosui is a russeted Asian pear cultivar that stands among the finest-tasting varieties available to home gardeners. Grown in hardiness zones 5 through 9, this tree reaches 14 to 22 feet tall and produces medium to large fruit with a distinctive nutty character from its russet skin. A reliable, consistent bearer, Kosui thrives in full sun and delivers the sweet, complex flavor that makes Asian pears such a rewarding addition to the home orchard.
Full Sun
Moderate
5-9
264in H x ?in W
—
High
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The russeting on Kosui's skin isn't just cosmetic; it fundamentally shapes the eating experience, contributing a subtle nuttiness alongside the pear's natural sweetness. This variety earns its reputation as a top-tier performer, yielding medium to large fruit reliably year after year. Unlike some Asian pears that demand perfect conditions, Kosui shows decent fireblight resistance and adapts well across much of the country, making it far more forgiving than you'd expect from such a delicious variety.
Kosui pears are best enjoyed fresh, where their crisp texture and nutty-sweet flavor shine without any masking. The russeted skin adds visual interest to a fruit bowl, while the firm flesh holds up well to slicing and serving raw. These are also excellent candidates for simple preparations that let the fruit's inherent character come through: poached in light syrup, baked gently, or sliced into a cheese course.
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