agastache foeniculum (blue giant hyssop) native Size:1 gallon

agastache foeniculum (blue giant hyssop) native Size:1 gallonAKA agastache anethiodora, agastache anisata tall, upright, clumping perennial dense spikes of lavender purple flowers with violet bracts medium green lance shaped aromatic foliage bloom time summer native to ontario zone 4 height 100 125cm spread 70 90cm colour purple if desired, pinch main stems in June just before buds form, to maintain a compact habit remove finished flowers to promote a second flowering no serious pest or disease problems spreads

so remove only damaged and tattered foliage as necessary

remove spent flowers to encourage additional bloom

white flowers with pink calyxes appear in midsummer

creamy-white petals with central

it is tolerant of partially shady locations

young plants can benefit from protection (burlap wrap) against drying winter winds in an exposed location

height 30-50cm

AKA acanthus balcanus

boxwoods can tolerate full sun to full shade

they form a low

medium green leaves

susceptible to leaf dieback in hot