Chaste tree Vitex agnus-castus var. latifolia Photo/Illustration: Bill Johnson 1 2 3 4 5 6 7 8 9 10 11 Chaste tree (Vitex agnus-castus var. latifolia) VY-teks ag-nus-KAS-tus variety lat-ih-FOE-lee-ah Genus: Vitex Chaste tree is a southern favorite beginning to gain favor across the country. Whether left to grow as a large, multistemmed shrub or cut back annually for a more compact look, this selection is a winner. Fine, lacy leaves are glossy and green. Bright blue flower panicles begin to form in early summer and continue through the heat of the season and into fall. This is a reasonably cold-hardy, deer-resistant woody plant, and while V. agnus-castus is typically considered a Zone 7 plant, the variety latifolia can be grown in Zone 6 and even in southern areas of Zone 5. Noteworthy Characteristics: Apparently, the ancient Greeks used an extract of this plant to “calm the male inner fire.” We're not sure how to put that to use in the garden. Care: These plants are happiest in full sun and well-drained soil. Propagation: From cuttings or by seed. Problems: Leaf spot, root rot, or scale insects. Overview Height 10 ft. to 15 ft. Spread 10 ft. to 15 ft. Growth Pace Invasive/Aggressive Grower, Moderate Grower Light Full Sun Only Moisture Medium Moisture Characteristics Attracts Butterflies, Fragrant Foliage, Showy Flowers Bloom Time Early Fall, Fall, Late Summer, Summer Flower Color Blue, Purple Uses Backyard, Specimen Plant/Focal Point, Color, Flowering Tree, Foliage Style Woodland Garden Seasonal Interest Fall Interest Tolerance Deer Tolerant Type Perennials Related Plants to Vitex agnus-castus var. latifolia 1 2 3 4 5 6 7 8 9 10 11 Anise hyssop Agastache foeniculum 1 2 3 4 5 6 7 8 9 10 11 Catmint Nepeta × faassenii 'Walker's Low' 1 2 3 4 5 6 7 8 9 10 11 Meadow clary Salvia pratensis 1 2 3 4 5 6 7 8 9 10 11 Daylily Hemerocallis 'Happy Returns' View the discussion thread.