Save water, save time these plants bloom without fuss Lavender Zones 59 Water every 23 weeks once established Russian Sage Zones 49 Water every 23 weeks in dry spells Sedum Zones 39 Water every 34 weeks; thrives on neglect Yarrow Zones 39 Water every 23 weeks; very hardy Coneflower Zones 39 Water every 12 weeks until established, then every 3 weeks Blanket Flower Zones 310 Water every 23 weeks; tolerates heat Lambs Ear Zones 49 Water every 23 weeks; dislikes soggy soil Artemisia Zones 49 Water every 3 weeks; thrives in poor, dry soil Poppy Zones 39 Water every 23 weeks; prefers dry spells between drinks Coreopsis Zones 49 Water every 2 weeks in heat; otherwise rarely needed Red Hot Poker Zones 59 Water every 23 weeks once mature Rosemary Zones 710 Water every 23 weeks; drought-loving herb Lantana Zones 811 Water every 2 weeks in summer, less in cool seasons Globe Thistle Zones 39 Water every 3 weeks; poor soils are fine Agave Zones 811 Water monthly or less; ultra drought-resistant Salvia Zones 410 Water every 23 weeks; thrives in sun dry soils Once established, these plants can handle drought while keeping your garden full of color.