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Chastetree

Botanical Name
Vitex agnus-castus
Min Zone
6
Max Zone
9
Height
8 to 15 feet
Width
5 to 20 feet
Flowers
Summer: lavender
Light
Full sun to part shade
Soil
Moist, well-drained, loose
Planting & Care
  • Not reliably hardy in Zone 5
  • Plant in sheltered location north of Zone 7
  • When grown in Zones 5 & 6, plants usually die back to the ground in winter - the roots survive and the plant will push out 4 to 7 feet of new growth along with flowers the next growing season
  • In Zones 5 & 6, treat as you would butterfly bush or Russian sage, cut back dead branches in spring and wait for new growth to emerge
  • Propagate by softwood cuttings in early summer or by seeds
  • Tolerates moderate salt air exposure
Problems
Leaf spot and root rot are occasonal problems
Varieties
  • Silver Spire - white flowers
  • Blushing Spires - soft pink flowers
  • Shoal Creek - large, blue-violet flowers borne on 12 to 18 inch long inflorescences
  • Montrose Purple - violet flowers
  • Rosea - pink flowers
  • Lilac Queen - lavender flowers, broad spreading
  • Arnold's Cutleaf - blue-purple-lavender flowers, dissected leaflets

Related Content

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Article

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