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Blue Diddley® Chastetree Vitex agnus-castus

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Exposure
  • Sun

The optimum amount of sun or shade each plant needs to thrive: Full Sun (6+ hours), Part Sun (4-6 hours), Full Shade (up to 4 hours).

Flower Season
  • Summer
Mature Size
72" 72"
Height
36 - 72"
Spread
36 - 72"

This plant is hardy in zones 5 - 9

Hardy Zones

Zones are based on the lowest average temperature an area is expected to receive during the winter. They are used to determine whether a plant is likely to be perennial in your area. If your zone is equal to or higher than the zone listed for the plant, it will be hardy for you and thrive in your climate.

  • 5
  • 6
  • 7
  • 8
  • 9
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  • Details

    Features

    Blue summer flowers on a compact plant.

    Heat Tolerant
    Small or Miniature

    Characteristics

    Plant Type: 
    Shrub
    Shrub Type: 
    Deciduous
    Height Category: 
    Medium
    Garden Height: 
    36 - 72 Inches
    Spacing: 
    36 - 84 Inches
    Spread: 
    36 - 72 Inches
    Flower Colors: 
    Blue
    Foliage Colors: 
    Green
    Foliage Shade: 
    Green
    Habit: 
    Mounded
    Container Role: 
    Thriller

    Plant Needs

    Light Requirement: 
    Sun
    Maintenance Category: 
    Easy
    Blooms On: 
    New Wood
    Bloom Time: 
    Early Summer
    Bloom Time: 
    Mid Summer
    Bloom Time: 
    Late Summer
    Hardiness Zones: 
    5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
    Heat Zones: 
    9
    Water Category: 
    Average
    Uses: 
    Border Plant
    Uses: 
    Landscape
    Uses Notes: 

    A delightful addition to mixed borders and perennial gardens.

    Maintenance Notes: 

    Treat like a perennial in the north; a shrub or small tree in the south. May be trimmed and fertilized in spring.

    Commonly known as the chastetree, Vitex agnus-castus was in ancient times thought to be an aphrodisiac. According to Wikipedia, the leaves and stems were once used in ladies' bedding to "cool the heat of lust" when the men were off to war, thus the name chastetree. We're not sure if this works or not, but we do know that it makes a wonderful landscape plant that is highly deer and drought resistant.

    Blue Diddley® Vitex makes the plant even better with its dwarf stature that is about half the size of typical vitex. In the north, zones 5-6, this plant acts like a perennial and dies back to the ground, but regrows and flowers much like a butterfly bush (buddleia). It is slow to break bud in the spring, so do not panic if the plant looks dead, it will sprout new shoots and make a fine specimen in due time. It is a shrub or small tree in the south.

    This dwarf chastetree is a fun little ball of lavender-blue flower spikes in mid-summer. Its compact size fits nicely into perennial gardens and mixed borders.

    Blue Diddley® Vitex agnus-castus 'SMVACBD' USPP 26,614
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