The shell markings and large size of Kiowa pecans make this a very attractive nut. These large pecans closely resemble Desirable pecans except for their thinner shell. The Kiowa tree is vigorous and yields 40-50 nuts per pound. It is slightly susceptible to scab. The Kiowa tree is a Type-2 pollinator and should be pollinated with Type-One pollinators. The tree grows to a mature height of 75 to 100 feet. It is hardy in Zones 7-10 and can be planted in full sun or partial shade with deep, moist, well-drained soil. USDA ZONES: Zone 7, Zone 8, Zone 9, Zone 10.