The Chaste Berry Tree (Vitex agnus-castus), also called Monk’s Pepper, is a stunning and aromatic shrub or small tree celebrated for its lavender-purple blossoms and fragrant foliage. A pollinator favorite, it attracts butterflies, bees, and hummingbirds throughout the summer.
Native to the Mediterranean region, this drought-tolerant, sun-loving plant produces small, pepper-like berries long valued in herbal traditions for promoting hormonal balance. The Chaste Tree’s graceful form, aromatic leaves, and colorful blooms make it a standout addition to herbal gardens, cottage landscapes, and pollinator habitats.
Features
- Beautiful & Fragrant: Produces long clusters of purple flowers with a delightful scent.
- Medicinal Heritage: The berries are used traditionally in herbal remedies.
- Pollinator Magnet: Attracts bees, butterflies, and hummingbirds.
- Drought-Tolerant: Thrives in hot, dry climates once established.
- Easy to Grow: Low-maintenance and fast-growing ornamental shrub or tree.
Specifications
- Common Name: Chaste Tree / Monk’s Pepper
- Scientific Name: Vitex agnus-castus
- Plant Type: Deciduous shrub or small tree
- USDA Zones: 6 – 9
- Mature Height: 8 – 15 ft (2.5 – 4.5 m)
- Spread: 8 – 12 ft (2.5 – 3.5 m)
- Light Requirements: Full sun
- Soil Type: Well-draining, sandy or loamy soil
- Soil pH: 6.0 – 7.5
- Watering: Moderate; drought-tolerant when mature
- Bloom Time: Summer to early fall
- Flower Color: Lavender to deep purple
- Foliage: Fragrant, gray-green, palmately compound leaves
- Fruit: Small aromatic berries resembling peppercorns
- Germination Time: 2 – 4 weeks
- GMO Status: 100% Non-GMO
- Origin: Mediterranean Basin
Planting Guide
- Seed Preparation: Soak seeds in warm water for 12–24 hours before sowing.
- Sowing Depth: ¼ inch deep in moist, well-draining soil.
- Temperature: Maintain 70–80 °F (21–27 °C) for optimal germination.
- Light: Full sunlight or bright grow lights.
- Transplanting: Move seedlings outdoors once frost danger has passed.
- Spacing: 3–5 ft apart for shrub form or 6–8 ft for tree form.
- Watering: Water regularly during establishment; reduce once mature.
