Catalog
« Perennials: Verbena hastata 'Blue Spires'
Blue vervain
Height: 140 cm
Foliage: green
Flowers: purple-blue, VII-IX
Light: full sun, part shade
Moisture: average water needs, high water needs
Soil: average soil
Winter-hardiness zone: Z4 ?
Neighbouring plants: Calamagrostis, Campanula, Delphinium, Echinacea, Helenium, Heliopsis, Molinia, Monarda, Phlox, Veronicastrum
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