Alphabetical Plant Listing

Verbena rigida f. lilacina 'Polaris' (Slender Vervain)

Slender Vervain 'Polaris', Rough Verbena 'Polaris', Stiff Verbena 'Polaris', Sandpaper Verbena 'Polaris', Upright Verbena 'Polaris', Tuberous Vervain 'Polaris'


Verbena rigida f. lilacina 'Polaris' (Slender Vervain) is a compact, low-growing perennial with attractive, three-branched candelabras of small pale lilac flowers over a long blooming season. Shining from early summer through to the first frosts, the luminous blossoms rise above dense clumps of rigid, lanceolate, dark green leaves. A front-of-the-border performer, this delicate looking Verbena is however tough and easy-to-grow.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society in 1993 and 2001.
  • Grows up to 18-24 in. tall (45-60 cm) and 12-18 in. wide (30-45 cm).
  • Performs best in full sun or light shade in average, moist, well-drained soils. Protect with a dry winter mulch in frost-prone areas. Drought tolerant once established.
  • Attractive to pollinating insects.
  • Perfect at the front of the border where it can be admired or along a path. Welcomed in informal prairie schemes or as an effective ground cover.
  • Propagate by seed or stem tip cuttings in late summer
  • Native of Brazil and Argentina

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Requirements

Hardiness 8 – 11
Heat Zones 1 – 12
Climate Zones 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Verbena
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 36" (90cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Plant of Merit, Showy
Tolerance Drought
Attracts Butterflies
Garden Uses Beds and Borders, Edging, Ground Covers, Patio and Containers
Garden Styles City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Prairie and Meadow

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John Martin

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 8 – 11
Heat Zones 1 – 12
Climate Zones 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Verbena
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 36" (90cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Plant of Merit, Showy
Tolerance Drought
Attracts Butterflies
Garden Uses Beds and Borders, Edging, Ground Covers, Patio and Containers
Garden Styles City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Prairie and Meadow

Great Plant Combination Ideas with Verbena

Guides with Verbena

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Verbena rigida f. lilacina 'Polaris' (Slender Vervain)

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