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Purple Giant Hyssop

Purple Giant Hyssop

$4.50 - $4.50
$4.50
$4.50 - $4.50
$4.50

New for 2026 - Agastache scrophulariifolia - Native perennial, their range includes Ontario and the Northeast US. Towering flower stalks up to 8' tall, with soft purple blooms that last for multiple weeks in late summer. Top tier food for bees and pollinators! 

Grown by Twisted Brook 
Growing Info
Stratification 60 days cold-moist stratification before sowing. Mix the seeds with a small amount of damp sand or peat, and keep in the fridge until sowing time
Sowing Start seeds indoors in early spring
Transplant Outdoors after risk of frost
Soil Any well drained soil will do
Light Full sun to part shade
Spacing 18" between plants
Life cycle Perennial
Hardiness zone 3