Excellent new form of Agastache with much fatter spikes of vibrant purple-blue flowers, with aromatic foliage, scented of aniseed. Much loved by bees and butterflies. Long flowering. Hardy. Up to 80cm.
At a glance
Common Name
giant hyssop 'Blue Boa'
Type
Hardy perennial
Height
60cm to 90cm
Colour
Purple
Spread Rate
Moderate
Flowering
Early Summer
Soil Type
Normal, Drained
Aspect
Sun
Pollination
Attractive to pollinators
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Agastache 'Blue Boa' (PBR) (giant hyssop 'Blue Boa'): Excellent new form of Agastache with much fatter spikes of vibrant purple-blue flowers, with aromatic foliage. Hardy. Up to 80cm.