The structure of any creation requires a strong backbone to give it stability and strength. Nepeta becomes that backbone or strength that every garden needs and does it well for many reasons: First, Nepeta is so dependable. Its zone-three hardiness can be counted on to pull it through even the coldest or driest of winters. Next: Nepeta thrives in a drought situation so it’s used in xeriscape landscapes but it grows fine with regular watering. Also: The lean alkaline soils of the west keep Nepeta growing more sturdy and compact. Too much fertilizer or rich soil will cause this fine perennial to look lax and flop, but western soils keep Nepeta...