Staghorn Sumac is remarkably drought-tolerant once established, requiring minimal supplemental watering.

During its first year, water regularly to ensure consistent moisture, especially during dry spells, to help it establish a strong root system.

Once mature, it generally thrives on natural rainfall, only needing water during prolonged periods of extreme drought. Avoid overwatering, as it prefers well-drained conditions.

Prune Staghorn Sumac in late winter or early spring while dormant to remove dead, damaged, or crossing branches. To manage its suckering habit and control spread, remove unwanted suckers at ground level as they appear.

Hard pruning or coppicing can rejuvenate older plants and encourage more vibrant new growth, but be aware this can also stimulate more suckering.

Staghorn Sumac is easily propagated by seed, root cuttings, or by transplanting suckers. Seeds require stratification for successful germination.

Root cuttings, taken in late winter, should be 10-15 cm long and planted horizontally.

The most straightforward method for home gardeners is to dig up and transplant suckers that emerge from the parent plant's root system, ensuring they have some roots attached.

Staghorn Sumac is typically grown in the ground as a large shrub or small tree and is not commonly repotted. If grown in a container, which is rare due to its size and suckering habit, it would require a very large pot.

Repotting would involve moving it to a larger container every few years or root pruning and refreshing the soil. This is generally not a recommended practice for this species.