(Solidago) This perennial adds bright yellow color to the late season garden. Deer & rabbit resistant and drought tolerant once established. Plant in the front of your garden border as an edger. Pairs well with asters.
(Osteospermum) Dazzling white flowers with metallic backing are produced from April through summer over glistening mats of lustrous, nearly succulent, evergreen foliage. Giant blossoms close at night to reveal a metallic reverse of ray flowers. A spectacular addition to the sunny border or water-smart landscape. Not well suited to areas that are frequently irrigated, in poorly drained soils, and in soils highly amended with organic materials. Deadhead spent flowers periodically to keep plants attractive.
Exposure: Sun to Part Sun
Bloom Time: Late Spring thru Late Summer
Varieties:
Avalanche 12″H x 24″W. A Plant Select Perennial. Zone 4. More Info Here.
Mandy 12″ x 24″W. A pink hardy Osteospermum! Zone 4. NEW!
Also known as Hummingbird Trumpet Mint, this is a “small but mighty” perennial. Vibrant blooms will stand out in the garden despite its small stature. Intensely aromatic herb from the mountains of California forming low mounds of semi-evergreen leaves virtually hidden beneath exotic-looking clusters of brilliant, scarlet-orange trumpets late spring through summer. A focal point of color on a wall, rock garden or container. Provide protection from heat of summer sun for best performance; may need winter protection in some areas. Plant benefits from placement near a large rock or boulder and does best in part to full, but dry, shade. Avoid bark mulch.
Exposure: Part to Full Shade (dry shade is best)
Bloom Time: Late Spring toSummer
Varieties:
Marian Sampson: 6″H x 12″W. A Plant Select Perennial. Zone5. More Info Here.
(Marrubium) Vigorous mat-forming groundcover that thrives in many sites and soils. Bright silver lining shimmers on the fringes of rounded foliage. Native plant from Turkey. Groundcover. Not well suited to areas that are frequently irrigated, in poorly drained soils, and in soils highly amended with organic materials. Try to avoid overhead watering in the hottest months.
Exposure: Full Sun
Bloom Time: Early Summer
Varieties:
Silverheels: 4″H x 24″W. Blooms white. A Plant Select Perennial. More Info Here.
Yucca plants are the ultimate drought tolerant plant. Planted in well-drained soil, they need very little water once established. They have lovely blooms in summer. In winter, their leaves are striking when covered in frost. A low maintenance choice that gives beauty in all seasons.
Exposure: Full Sun
Bloom Time: Summer to Fall
Varieties:
Red Yucca (False Yucca) (Hesperaloe parviflora):up to 4′ H x 2′ W. A Plant Select Perennial. Zone 5. More Info Here.
Narrowleaf Yucca/Plains Yucca (Yucca glauca) up to 2′ H x 2′-3′ W. Native to the Southwest. Showy, creamy white flowers in late Spring/Early Summer. Zone 4.
Variegated Yucca (Yucca filamentosa): up to 4′ H x 2′ W. Variegated leaves
This plant has glossy mounds of deep green, strap-shaped leaves with three-inch, shiny yellow flowers throughout the season. This selection is cold hardy compared to the annual bedding gazanias. It does well under ordinary garden treatment, or in unamended, dry soils (once established).
Exposure: Full to Part Sun
Bloom Time: Late Spring to Frost
Varieties:
Colorado Gold:6″H x 12″W. A Plant Select Perennial. More Info Here.
(Eriogonum) Also known as Buckwheat. Masses of yellow flowers turn orange as they age. Spreading green foliage changes to a vivid purple-red in winter. Vigorous and adaptable western native. When sited properly, requires very little attention. Not well suited to areas that are frequently irrigated, poorly drained, or soils highly highly amended with organic materials. Exposure: Full to Part Sun
Bloom Time: Late Spring to Summer
Varieties:
Kannah Creek (Eriogonum): 15″H x 24″W. A Plant Select Perennial. More Info Here.
(Callirhoe) This native thrives at the front of the border, in the wild garden and Xeriscape where it enjoys the full sun, blooming with hot pink flowers most of the season. Drought tolerant once established.
Exposure: Full to Part Sun
Bloom Time: Late Spring to Frost
Varieties:
Winecups: 12″H x 4-6 Feet W. A Plant Select Perennial. More Info Here.
(Berlandiera) Ever blooming native wildflower from the Southwest that produces a continuous succession of dark-eyed, yellow daisies over a compact rosette of foliage. The flowers exude a rich chocolate aroma in the morning hours. Best with minimal water once established. Can reseed. Perennial. Xeriscape.
Exposure: Full Sun
Bloom Time: June to Frost
Varieties:
Chocolate Flower: 12″-20″H x 12″-20″W. A Plant Select Perennial. More Info Here.
Easy care plant that adapts to hot, dry, sunny locations. Requires good drainage and performs well in lean soil. Drought tolerant once established. Adds a light silvery mound to gardens.
Exposure: Full to Part Sun
Bloom Time: Bloom is insignificant. Grow this for the lovely silver foliage it provides all season.
Varieties:
Sea Foam: 12″H x up to 36″W. Fine, silver foliage. A Plant Select perennial. More Info Here.
Silver Mound: a very lacy, silvery short mound of neat foliage. 12″H x 15″W.