Marin Master Gardeners
University of California
Marin Master Gardeners

Plant Guide

Vitex agnus-castus

Common Name
Lilac Chaste Tree
CA Native
Non-native
Plant Type
Tree
Size
10’ - 15’ X 10’ - 15’
Flower Color
Lilac-Blue
Bloom Time
  • Spring
Leaves
Gray-Green Leaves
Evergreen
Deciduous
Deer Resistant
Rarely Damaged
Wildlife Value
  • Attracts Beneficial Insects
  • Bees
  • Bird Habitat
  • Butterfly & Other Insect Nectar
  • Hummingbirds
Growth Rate
Moderate
Hardiness
Hardy
Adverse Growth Factors
None
Special Features
  • Fragrance
  • Showy Flowers
  • Specimen
Water Use
  • Moderate
Soil pH
5.5-6.4 (acid)
Exposure
  • Full Sun
  • Partial Shade
  • Shade
Soil Type
Not Particular
Drainage
Good Drainage
Description and Cultural Plant Tips

Virtually no pests or diseases. There is a beautiful specimen at Copia in Napa

Native to Sicily. In the verbena family.

 

Master Gardener Comments

Blooms on new growth. Cut back in winter to shape. Tolerates clay soil and ignored by deer.  If you have adequate moisture it blooms again in the summer after light pruning.  Apply 12-6-6 fertilizer, slow release.

 

Varietals

‘Latifolia’ has broader leaves,’ Silver Spire’ and ‘Alba’ have white flowers and ‘Rosea’ has pink flowers.

 

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