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The Plant Guide

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Veronica longifolia  'Sunny Border Blue'

ver-ON-ih-kah lon-jih-FOE-lee-ah

This fine Veronica was the Perennial Plant of the Year in 1993. From early summer to frost this upright cultivar forms branched spikes (to 7 inches long) of dark violet-blue flowers. It has glossy and crinkled dark green leaves, and grows to less than 2 feet tall. It is a fine choice for adding long-season color to a mixed border.

CareProvide moderately fertile, well-drained soil in full sun to partial shade.

PropagationDivide in spring.

ProblemsScale insects, downy mildew, powdery mildew, rust, leaf smut, and root rot may occur.

  • Genus : Veronica
  • Plant Height : 1 to 3 feet
  • Zones : 4, 5, 6, 7, 8
  • Plant Width : 6 to 12 inches
  • Uses : Containers, Ground Covers
  • Bloom Time : Early Fall, Early Summer, Late Summer, Summer
  • Tolerance : Frost Tolerant
  • Light : Full Sun to Partial Shade
  • Maintenance : Low
  • Moisture : Medium Moisture
  • Growth Rate : Moderate
  • Plant Type : Perennials
  • Plant Seasonal Interest : Summer Interest
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