With Syringa × hyacinthiflora 'Pocahontas', you get an early-flowering lilac that delivers richly colored, fragrant spring blooms and a classic, upright shrub form. Plant it where you can enjoy the scent up close, and give it room to mature into a substantial landscape anchor.
Set your lilac in full sun for the strongest bloom display, though it will tolerate part shade. Choose well-drained soil and avoid persistently soggy spots. Lilacs generally perform best in neutral to slightly alkaline conditions, and good air circulation helps keep foliage looking its best through the growing season.
At maturity, this cultivar typically reaches about 12-15 feet tall with a broad spread, so plan spacing accordingly. Water regularly during establishment, then water as needed during extended dry periods. A layer of mulch can help moderate soil moisture, but keep mulch pulled back from the base of the stems.
For pruning, focus on timing: remove spent flower clusters and do any shaping soon after bloom, because next year's flower buds form on old wood. If older plants become crowded, you can thin by removing a few of the oldest stems at ground level over multiple seasons to renew the shrub while keeping flowers coming each spring.