The district is bounded by Anantapur District to the northwest, Kadapa District to the north, Nellore District to the northeast, Krishnagiri District, Vellore District and Tiruvallur District of Tamil Nadu state to the south, and Kolar District of Karnataka state to the west.
Physical Characteristics. Banksia integrifolia is an evergreen Tree growing to 9 m (29ft 6in). It is hardy to zone (UK) 9 and is frost tender. It is in leaf 12-Jan It is in flower from Aug to December. The flowers are hermaphrodite (have both male and female organs)It is noted for attracting wildlife.
Minimum temperatures range from 28o to 1o F, although in some year a big freeze can cause considerable damage to plants. Zone 5 extends from the Puget Sound area in Washington, including Seattle and Tacoma, south along the Pacific Coast to north of Brookings, Oregon, including Astoria, Newport, Coos Bay. Zone 6 Willamette Valley Warmer summers distinguish this Zone from Zone 5, average temperatures being 5o to 9o F higher.