Superb Penstemon – Penstemon superbus
Height: 2 – 4 feet Width: 1 – 2 feet Bloom color: Coral Red Flowering season: Spring USDA minimum zone: 7 Cold hardiness: 5° F
Spanish Lavender – Lavandula stoechas
Height: 16 – 36 inches Width: 16 – 36 inches Bloom color: Purple Flowering season: Spring, Summer USDA minimum zone: 7 Cold hardiness: 10° F
Society Garlic – Tulbaghia violacea
Society garlic is a grassy, clumping groundcover that matures at about a foot tall. Lilac-purple flower clusters top tall flower stems that stand anywhere from a few inches to a foot above the plant throughout the warm months, but are most abundant in the spring and summer. Foliage has a strong garlicky-onion scent when brushed…
Silver Mound – Artemisia schmidtiana ‘Silver Mound’
Height: 1 – 2 feet Width: 1 – 2 feet Bloom color: Inconspicuous; Yellow Flowering season: Summer, Fall USDA minimum zone: 4 Cold hardiness: -30° F
Sierra Sundrops – Calylophus hartwegii
Height: 1 – 2 feet Width: 2 – 3 feet Bloom color: Yellow Flowering season: Spring, Summer USDA minimum zone: 7 Cold hardiness: 0° F
Side Oats Grama – Bouteloua curtipendula
Side Oats Grama is a drought-tolerant clumping grass with bluish green leaf blades and unusual flowering stems. Seed spikes hang on just one side of the flowering stem, resembling oats as they dry and turn brown. Foliage turns a warm golden brown in the fall, and the lower foliage may turn shades of red or…
Shasta Daisy – Leucanthemum x superbum
Height: 2 – 4 feet Width: 1 – 2 feet Bloom color: White/Yellow Flowering season: Summer, Fall USDA minimum zone: 5 Cold hardiness: -10° F
Scarlet Betony – Stachys coccinea
Height: 12 – 18 inches Width: 1 – 2 feet Bloom color: Assorted; Red, Coral Red, Pink, White Flowering season: Spring, Summer, Fall USDA minimum zone: 8 Cold hardiness: 15° F
Sandpaper Verbena – Verbena rigida
Sandpaper verbena is a tough little groundcover. Not only is it drought and heat tolerant, the abrasiveness of its toothed leaves offers it some extra protection from predators like deer and rabbits. Clusters of deep purple flowers that are particularly attractive to butterflies appear for most of the warm season. This fast-growing groundcover is perfect…