Lavender is easy to grow and tolerant of heat and drought and offers the perfect combination of color and aroma. You can also plant it in the pot, just be sure the pot has good drainage because the plant can not tolerate excess water.
#22 Rock Daisy
Rock Daisy is most suitable for the rock gardens, these flowering plants thrive well in neglect and the lack of water.
#23 Globe Thistle
The globe thistles tolerate drought and are probably one of the easiest perennial you can have in your garden. They bloom from summer to early fall, their flowers are blue or violet colors (depending on the variety).
#24 Rose Campion
Rose Campion is one of the drought-tolerant plants that are easy to grow. It requires only supplemental watering during prolonged dry periods.
#25 Red Valerian
This drought-tolerant plant has fragrant round clusters of flowers that appear from late spring. Once planted, the Red Valerian needs occasional watering and is relatively low care.
Most of the plants from the Euphorbia genus tolerates the scarcity of water easily and don’t require special attention.
#27 Russian Sage
Russian sage tough and drought-resistant plant must be planted in a position that is sunny and well-drained.
Yarrows are low maintenance plants and suitable for borders, wildflower meadows, and rock gardens. Growing yarrow requires a position that is sunny and well-draining loamy soil.
#29 Pineleaf Penstemon
Pineleaf Penstemon is a herbaceous perennial and low-maintenance plant. It requires full sun and well-drained soil to grow.
Agastache is an aromatic, perennial, and drought-loving plant. It attracts hummingbirds, pollinators as well as beautiful butterflies.