The acerola does best with 1000-2000 mm of water. However, as mentioned, acerola is drought-tolerant. Irrigation can be used to cause flowering and can regulate flower cycles. Under good constant irrigation, acerola will flower all year, with between 1 and 3 flowering peaks. Acerola does well with both overhead and drip irrigation.
Foliar sprays are very effective, and are used commercially.
Mineral nutrition is very important, with good levels of boron and iron required. In more tropical areas, plants do not seem overly affected by pruning. Plants are pruned commercially with citrus pruners. As with most frost-sensitive plants, the acerola will need some protection when grown in areas were frost can occur. Growing with overhead protection or growing next to a wall or building may be sufficient, but the plant may also be covered with heavy cloth or plastic sheeting draped over a frame for added protection.