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TREES & plants

Chaste tree

With upright clusters of lavender-blue flowers and aromatic gray-green leaves blooming during summer, the chaste tree—which is really a shrub—is best used as a specimen or in the shrub border.  In the Chicago region, chaste tree flowers best when cut to ground in early spring.


Botanical name: 
Vitex agnus-castus
All Common Names: 
Chaste tree
Family (English): 
Family (Botanic): 
Tree or Plant Type: 
  • Shrub
Landscape Uses: 
  • Specimen
  • Mixed border
Size Range: 
  • Medium shrub (5-8 feet)
Light Exposure: 
  • Full sun (6 hrs direct light daily)
Hardiness Zones: 
  • Zone 6
  • Zone 7
  • Zone 8
Soil Preference: 
  • Moist, well-drained soil
  • Deciduous (seasonally loses leaves)
Season of Interest: 
  • Early summer
  • Mid summer
  • Late summer
Flower Color & Fragrance: 
  • Fragrant
  • Blue
  • Purple
Shape or Form: 
  • Oval
Growth Rate: 
  • Fast
More Information: 

Tree & Plant Care

Cut plant to the ground in early spring for best flowering.

Disease, pests, and problems

Disease, pest, and problem resistance

Native geographic location and habitat

USFWS Habitat Type:

Attracts birds, pollinators, or wildlife

Bark color and texture

Color: gray stems
Texture: twiggy stems

Cultivars and their differences

Leaf or needle arrangement, size, shape, and texture


  • Color: gray-green

Flower arrangement, shape, and size

  • Arrangement: clustered
  • Shape: upright
  • Size: 

Fruit, cone, nut, and seed descriptions