Species Verbena hastata (Blue Vervain, Swamp Verbena)

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Names

Scientific name: Verbena hastata
Common name: Blue Vervain, Swamp Verbena

Measurements

Height: 2 - 6 ft
Spread: 12 - 36 in
Growth Rate: Moderate

Requirements

Hardiness zones: 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
Sunlight: Full Sun, Partial Sun, Partial Shade
Soil Drainage: Moist but Well-drained
Soil type: Loam, Sand
Soil pH: Moderately acidic (5.6 - 6.0), Slightly acidic (6.1 - 6.5)

Physical Traits

Lifecycle: Perennial
Leaf lifecycle: Deciduous
Foliage color: Medium Green
Fall foliage: Brown
Bloom time: Summer, Fall
Bloom color: Blue, Purple
Seasons of interest: Summer, Fall
Propagation methods: Seeds, Division, Cuttings
Attracts: Bees, Butterflies, Birds

Taxonomy

Taxonomic Rank: Species
Author: L.
Publication: Sp. Pl. : 20 (1753)

Superior Taxa

Kingdom: Plantae
Subkingdom: Pteridobiotina
Phylum: Angiosperms
Order: Lamiales
Family: Verbenaceae
Genus: Verbena

Synonyms

Verbena hastata f. caerulea Verbena hastata var. oblongifolia Verbena hastata var. paniculata Verbena hastata var. pinnatifida Verbena hastata var. rosea Verbena hastata f. rosea Verbena paniculata Verbena pinnatifida Verbena hastata f. hastata Verbena hastata var. hastata Verbena paniculata Verbena hastata f. albiflora Verbena hastata var. scabra Verbena paniculata var. pinnatifida

References

Verbena hastata (Swamp verbena) | Native Plants of North America, Lady Bird Johnson Wildflower Center, https://www.wildflower.org/plants/result.php?id_plant=veha2, accessed November 10, 2024

Verbena hastata - Plant Finder, Missouri Botanical Garden, https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=z370, accessed November 10, 2024

Verbena hastata (Blue Verbena, Blue Vervain, Simpler’s Joy, Swamp Verbena, Swamp Vervain) | North Carolina Extension Gardener Plant Toolbox, NC State Extension, https://plants.ces.ncsu.edu/plants/verbena-hastata/, accessed November 10, 2024

blue vervain Verbena hastata from New England Wild Flower Society, Native Plant Trust, https://plantfinder.nativeplanttrust.org/plant/Verbena-hastata, accessed November 10, 2024

Verbena hastata (American Blue Vervain), Gardenia, https://www.gardenia.net/plant/verbena-hastata, accessed November 10, 2024

Verbena hastata (blue vervain): Go Botany, Native Plant Trust, https://gobotany.nativeplanttrust.org/species/verbena/hastata/, accessed November 10, 2024

Verbena hastata (Blue or Common Vervain), Master Gardeners of Northern Virginia, https://mgnv.org/plants/native-plants/perennials/verbena-hastata/, accessed November 10, 2024

World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024