TNAGAPBY bill williams mountain giant hyssop
Agastache 'TNAGAPBY'
USDA zones5 to 10
SunNeeds full sun (6+ hours)
WaterNeeds moderate soil
Size9 to 12 inches tall12 to 15 inches wide
- Bloom season
- Summer, autumn
- Bloom color
- Yellow
Notes
'Tnagapby' Bill Williams Mountain giant hyssop (Agastache 'Tnagapby') is a perennial for borders, containers, and edging. It is hardy to USDA zone 5, or down to -20°F (-29°C). This plant likes full sun and average moisture. It grows 9 to 12 inches tall and 12 to 15 inches wide. Yellow flowers appear from early to late summer and again in early autumn.
Pairs well with Feather reed grass, Astilbe, and Greig's tulip.