average to dry once established, moist conditions encourage the plant to flop, wet conditions induce rot
Soil & Site
average to dry, tolerates sandy soils
Flowers
loose terminal racemes of deeper violet blue
Leaves
grayish aromatic leaves
Stems
square stems
Dimensions
to 3 feet, spreads 24 inches
Maintenance
cut back hard after bloom to encourage new tighter growth and a small rebloom
Propagation
cuttings, division
Cultivar Origin
Hybridized by J. H. Faassen at his Dutch nursery. Also reported to come from the Six Hills Nursery of Hertfordshire UK.
Misc Facts
The genus Nepeta a Latin name for an aromatic plant and for others it is derived from the name of the ancient Etruscan city of Nepete (modern Nepi, north of Rome) that was famed for one of the species that grew in quantity there (www.plantlives.com)
Author's Notes
To me the trick to growing Nepeta is full sun, average to dry soil and cut back hard after the plants bloom. Avoid shaded, moist, rich soils.
Notes & Reference
#97-Mints (Barbara Perry Lawton), #149-Perennial Ground Covers for Easier Gardening (Daniel J. Foley)