A GARDEN GEM SPOTLIGHT
This is one part in a series featuring the UC Davis Arboretum’s “Garden Gems” series — 45 can’t-fail, easy-care, low-water plants well adapted to our region and that add sparkle to drought-tolerant landscapes.
t Marrubium cylleneum Size: 6 to 12 inches tall and up to two feet wide Bloom season: Delicate lavender blooms in whorls in summer. Exposure: Full sun. Pruning needs: Remove spent flowers after bloom. Water needs: Low; once established, water once a month. In summer, it needs little water and can get by without irrigation. Snapshot: This Mediterranean native with a funny name is a lovely addition to dry gardens. A low-growing perennial, horehound features attractive, fuzzy, silver-green foliage that demands to be touched. In summer, it produces foot-tall spikes of lavender flowers. Horehound makes a lovely border, perfect for along paths and at the front of plantings where you can appreciate the soft leaves. For more on “Garden Gems,” click on arboretum.ucdavis.edu.