Position: Warm in full sun.
Soil: Well drained, fertile soil.
Hardiness: Reasonably hardy. Vitex agnus-castus requires a hot, sunny position to ripen the new growth in the summer and produce most flower spikes.
Flowering Period: August - October
Rate of Growth: Slow to moderate.
Habit: In the UK Vitex agnus-castus will generally grow to be a medium sized, rounded shrub.
Height: up to 2.5 m (8 ft).
Spread: 2.5 m (8 ft).
Notes: To encourage flowering, prune out the old, flowering shoots in early Spring.