Agastache ‘Blue Boa’
Agastache ‘Blue Boa’ Agastache ‘Blue Boa’ is a newly imported multiple award winning selection from the USA. It carries large bottle brush heads of intense violet-blue flowers for months from late spring until late autumn. It’s best grown in full sun and although drought tolerant when once established it does best at Lambley when given some supplementary summer irrigation. Height in flower 60-90cm width 40cm.