Catalog
« Perennials: Agastache 'Black Adder'
Giant hyssop
Height: 80-100 cm
Foliage: green
Flowers: smoky-lavender, VII-IX
Light: full sun, part shade
Moisture: low water needs, average water needs
Soil: modest soil, average soil
Winter-hardiness zone: Z5 ?
Neighbouring plants: Calamagrostis, Festuca, Helictotrichon, Molinia, Panicum, Sesleria, Achillea, Calamintha, Gaura, Geranium, Helenium, Nepeta, Salvia, Veronica
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