Perennials - All

Clusters and chains of large 3" wide purple-blue trumpet shaped flowers with contrasting yellow throats are produced throughout much of the growing season and attract larger bees and butterflies as well as the occassional hummingbird. The Blue Sky Vine, Thunbergia grandiflora, is an exceptionally popular tropical vine that is easy, reliable, has excellent flower power and it can be grown as a die-back perennial in zones 8-9 if established early in the growing season (click the "More Details and Growing Info" link or the plant's image to learn more). It may remain evergreen in warm frost free tropical climates where it can flower nearly yearround. The Blue Sky Vine is a heat and sunloving twining vine suitable for metal fences, smaller arbors, and medium to large trellises or other sturdy supports. Provide a well-drained, moderately fertile soil. The Blue Sky Vine can also be enjoyed as an easy and low-maintenance container plant. Item# 1108.

Pale blue frilly 1 to 1-1/2" wide daisies with a nicely contrasting yellow center are produced beginning in late spring and through summer often continuing into fall atop a neat mound of deep green foliage. The Blue Star Japanese Aster is a tidy under-used clump-forming perennial selected for its exceptionally long flowering season that is sure to add delightful color to the garden and landscape but it also makes easy and exceptionally long-flower container specimens. The flowers are sure to attract a multitude of pollinators. Provide a full to mostly sunny site with a well-drained soil for optimum vigor and flowering. Heat, sun, and humidity tolerant. Images courtesy of North Creek Nurseries, all rights reserved. Item# 11682

Deep purplish blue Iris-like flowers are produced on 2' high spikes are held above the upright to arching dark-green, textured sword shaped foliage. Blue Stars often begins flowering in spring and continues into summer. The overall appearance of this hardy rhizomatous African native is like an overgrown Blue-Eyed Grass. Blue Stars is a naturally evergreen clump forming perennial but the foliage my die back at temperatures below 20oF. Provide good drainage in an average moist rich soil with shade during the hottest portions of the day in hot summer climates. Makes an easy container plant where not hardy. Item# 11019

Masses of 1" wide blue to violet daisies with a yellow eye seemingly cover up this perennial in late summer and fall providing nectar for pollinators including bees and migrating Monarchs. Bluebird Smooth Blue Aster, a selection of Symphyotrichum laeve (previously Aster laevis), was the top-rated aster in trials at Mt. Cuba Center. It has a naturally upright to vase-shaped, clump-forming habit and grows to 3-4' at flowering but can be pinched in late spring or early summer to produce a fuller more compact plant. The Smooth Blue Aster is found throughout much of the US and into Canada. Provide a well-drained, average to semi-dry soil conditions in full sun to mostly sunny sites for optimum vigor and flowering, although it is tolerant of a wide range of growing conditions. It is considered to be tolerant of part shade to light shade, but plants may require staking. Caterpillar host: Field Crescent, Pearl Crescent, Texan Crescent, Roadside Checkerspot, Hoffman's Checkerspot, and American Lady. Images courtesy of North Creek Nurseries, all rights reserved. Item# 12247

Spikes of 1/2" long, tubular, two-lipped, deep azure blue flowers have a contrasting bright white bee-guide and throat are produced in late spring or early summer and continue into fall atop the tall wispy stems. The nectar rich flowers attract bees, butterflies, and hummingbirds. Bog Sage, Salvia uliginosa, is a rhizomatous, herbaceous perennial producing a multitude of tall thin wiry stems that can reach 5-6' high in rich fertile moist soils but tends to remain shorter, 3-4' high or so, under average moist garden conditions, which it can tolerate quite well, despite its name, once fully established. it tends to be more restrained under drier conditions as well. Its long flowering season and ease of care have garnered Bog Sage the RHS Award of Garden Merit. It can tolerate full sun in the cooler portions of its range but may be at its best where it receives a little midday shade in areas with hot summer climates. Item# 12906

The large, lightly fragrant flowers are composed of rusty red to near burgundy falls, standards, and style arms and are accented by large starkly contrasting mustard yellow signals. Boiled Crawfish Louisiana Iris is a compact, midseason flowering perennial growing to about 26-28" high. Louisiana Irises are easy and adaptable, rhizomatous perennials with fans of deep green sword-like foliage and seem as at home in standing water as they do in average moist garden soils. Remember that these plants do most of their growing in fall and winter and so this is when they should be fed and fall is also a great time to divide plants if desired. Provide a full to mostly sunny site for optimum vigor and flowering. A relatively new introduction, Boiled Crawfish was awarded an Honorable Mention in 2022. Item# 13428

Clusters of upward facing, soft lavender pink, nicely fragrant flowers are produced in loose clusters on 12-16" high stems in mid to late spring attracting mainly butterflies. Bonnie's Pink Prairie Phlox, a selection of Phlox pilosa and appears to match the description of ssp. ozarkana, is an evergreen to semi-evergreen, rhizomatous, native perennial adorned in narrow medium to dark green foliage. It makes a vigorous ground-cover once well-established and can be allowed to wend in and around larger shrubs and perennials. Provide an average moist, fertile, average to well-drained soil in a sunny garden or landscape. Item# 3062

Spikes of 1" long and nearly 1" wide, deep purplish red, two-lipped, tubular flowers are produced from spring to fall and attract a variety of pollinators including hummingbirds, medium to large butterflies, and larger bees. Boysenberry Jam Salvia, a Salvia x jamensis hybrid or Jame Sage, is adorned with large, rounded, fragrant, rich green foliage that immediately sets this Salvia apart from most similar cultivars and acts as a nice backdrop for the dark colored flowers. This cultivar appears to be brand new to horticulture in 2025 but we expect it to have a similar habit and hardiness as most other Jame Sages growing to about 18-24" high and 12-18" wide. Provide a well-draining, average moist, fertile soil in a full to mostly sunny site for optimum vigor and flowering. Item# 12475

For several weeks in mid to late spring, the mounds of large, apple-green, heart-shaped, quilted foliage with maroon veining is topped by a multitude of conical spike-like clusters, or racemes, that are adorned in fragrant dainty white flowers that attract a variety of smaller pollinators. In fall and winter, its foliage deepens into bronze tones. Brandywine Foam Flower or Tiarella, a selection of our native Tiarella cordifolia, is a stoloniferous, ^†semi-evergreen, perennial groundcover perfectly suited to shaded gardens and landscapes. They can tolerate more sun in areas with cool summer climates but will still likely prefer to be in the shade during the heat of the day. Tiarellas prefer a moist soil with ample organic matter and average or better drainage and are resistant to be being browsed by deer and rabbits. Dr. Allen Armitage in his Herbaceous Perennial Plants, 4th Edition states that he "puts these plants on the A list for shady areas." Images courtesy of North Creek Nurseries, all rights reserved. Item# 13272

The dark purplish-bronze, finely textured, licorice scented foliage makes a beautiful addition to the perennial border or the butterfly garden. Mix Bronze Fennel with yellow and chartreuse foliaged and flowering plants for a great combination. The foliage and stems are utilized by the Eastern Black Swallowtail, Baird's Swallowtail, and Anise Swallowtail as a caterpillar host plant. For optimum health and vigor plant Bronze Fennel in a full to mostly sunny site, in a well-drained, fertile soil. It can be grown as a reliable perennial in gardens and landscapes as well as in containers, either as a specimen plant or in mixed company. Item# 9121

Spikes of large, 2" long, vivid fuchsia, velvety, tubular flowers emerge from dark colored calyxes and are held atop the dark green, glossy rounded foliage from spring to fall attracting a wide array of larger pollinators like bees, butterflies, and hummingbirds. Buchanan's Sage, Salvia buchananii, is a naturally evergreen, loosely branching, clump forming, herbaceous perennial growing to about 16-24" high and wide. It is small enough to enjoy as a container specimen or in mixed container gardens as well as in the garden and landscape. This is a popular and easy to grow Salvia that is now considered to be rare in its native habitat of Mexico. Provide a full sun to partly shaded site in an average moist, fertile, soil with average or better drainage for optimum vigor and flowering. Its reliability as a garden plant have earned it the RHS Award of Garden Merit. Item# 9857

Similar to New Gold in habit and flower power, Buttercream Lantana produces clusters of golden yellow flowers that change to a soft golden yellow and finally to white. An excellent Greg Grant introduction with somewhat more of a pastel effect than that of New Gold. Great for butterflies and pollinators! Buttercream Lantana is a low growing mounding Lantana suitable for use as a groundcover, at the front of the garden, or spilling from containers. Item# 9904.

The dense, rounded, white to greenish-white, up to 1" diameter, flower clusters sit atop thick sturdy stems that emerge from a rosette of soft yucca-like foliage and are produced over an extended period in summer. Button Snakeroot, Eryngium yuccifolium, is a tough and long-lived, adaptable clump forming native perennial whose long-lasting summer flowers will attract a myriad of butterflies, bees, wasps and other pollinators to your garden. Typically found in consistently moist settings like bogs, moist savannahs, prairies, and meadows but it readily tolerates average moist garden conditions. Provide Button Snakeroot with a full to mostly sunny site in an average moist to moist soil. Item# 9260

Pale sky blue falls and standards with darker blue veining and narrow yellow signals and are centered by complimentary white style arms. Bywater Louisiana Iris, named for the body of water, is midseason flowering, April, and is a smaller growing cultivar reaching 24-28" high. Louisiana Irises are easy and adaptable, rhizomatous perennials with fans of deep green sword-like foliage and seem as at home in standing water as they do in average moist garden soils. Remember that these plants do most of their growing in fall and winter and so this is when they should be fed and fall is also a great time to divide plants if desired. Provide a full to mostly sunny site for optimum vigor and flowering. Item# 13342

The large, lightly fragrant flowers are composed of bright white falls and standards that are accented by nicely contrasting yellow signals and greenish-yellow style arms. Cajun Popcorn Louisiana Iris is a compact, midseason flowering perennial growing to about 24-26" high. Louisiana Irises are easy and adaptable, rhizomatous perennials with fans of deep green sword-like foliage and seem as at home in standing water as they do in average moist garden soils. Remember that these plants do most of their growing in fall and winter and so this is when they should be fed and fall is also a great time to divide plants if desired. Provide a full to mostly sunny site for optimum vigor and flowering. Item# 13429