SEMPERVIVUM Mixed Varieties (sem-per-VIV-um) | SEMPMX1 |
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| Common Name: Hen and Chicks |
| Description: Excellent in rock gardens. Little 'chicks' cluster around parent rosette. |
| Zone: 4 |
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SEMPERVIVUM 'Red Heart' (sem-per-VIV-um) | SEMPRH3 |
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| Common Name: Hen & Chicks |
| Description: Striking evergreen rosettes with pointy leaves, flushed with pink-red centers intensifying in cooler temps. |
| Zone: 4 |
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SEMPERVIVUM Specialty Blend (sem-per-VIV-um) | SEMPSB3 |
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| Common Name: Hen and Chicks |
| Description: Rich blend of Sempervivums and Jovibarbas propagated from named varieties. |
| Zone: 4 |
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SEMPERVIVUM 'Twilight Blues' (sem-per-VIV-um) | SEMPTB3 |
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| Common Name: Hen and Chicks |
| Description: Large, olive-green shaded lavender, purple tips. |
| Zone: 4 |
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SENNA hebecarpa (SEN-a) (hee-be-KAR-pa) | SENNHE3 |
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| Common Name: Wild Senna |
| Description: Fine textured leaves on semi-woody stems, usually dying to ground in winter. Yellow, pea-like flowers. |
| Zone: 4 |
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SESELI gummiferum (SE-sel-ee) (gu-MIF-er-um) | SESEGU3 |
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| Common Name: |
| Description: The foliage on this biennial is an attractive, lacy, silver-blue that remains in the rosette form the first year. The second year produces a thick stalk with many, pale pink flowers on umbels mid-summer to fall. |
| Zone: 5 |
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SILENE regia (si-LEEN) (REE-jee-a) | SILERE3 |
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| Common Name: Showy Catchfly, Royal Catchfly |
| Description: Sensational, late summer display of large, brilliant red-scarlet flowers. |
| Zone: 4 |
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SILENE uniflora 'Druett's Variegated' (si-LEEN) (yoo-nee-FLOOR-uh) | SILEDV3 |
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| Common Name: Campion, Catchfly |
| Description: Pure white blossoms from summer to fall. Cream-edged, mat-forming foliage is great for containers. |
| Zone: 3 |
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SILPHIUM laciniatum (SILL-fee-um) (lass-in-ee-AY-tum) | SILPLA3 |
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| Common Name: Compass Plant |
| Description: Slow growing, very long-lived native. Sends up tall flower stalk with up to 100 bright yellow flowers that open over a month long period. Classic prairie plant. |
| Zone: 4 |
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SILPHIUM perfoliatum (SILL-fee-um) (per-foh-lee-AY-tum) | SILPPE3 |
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| Common Name: Carpenter Plant, Cup Plant |
| Description: RHS Award of Garden Merit. Robust native with square stems; opposite leaves joined at base, forming cups. Large, yellow, daisy-like flowers. |
| Zone: 4 |
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SOLIDAGO canadensis 'Golden Baby' (sol-ih-DAY-go) (kan-a-DEN-sis) | SOLIGB3 |
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| Common Name: Goldenrod |
| Description: Compact, upright native; dense, golden-yellow sprays in fall. |
| Zone: 4 |
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SOLIDAGO 'Crown of Rays' (sol-ih-DAY-go) | SOLICR3 |
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| Common Name: Goldenrod |
| Description: Large, golden-yellow flowers on stiff, columnar plant. An exceptional selection for the border. |
| Zone: 4 |
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SOLIDAGO rugosa 'Fireworks' (sol-ih-DAY-go) (roo-GO-sah) | SOLIFW3 |
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| Common Name: Goldenrod |
| Description: 2007 GreatPlantsTM Perennial of the Year. Lacy, radiating bloom spikes of sparkling golden-yellow from mid September past mid October. Greatly extends garden color and excitement. From North Carolina Botanical Garden. |
| Zone: 4 |
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SOLIDAGO 'Wichita Mountains' (sol-ih-DAY-go) | SOLIWM3 |
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| Common Name: Goldenrod |
| Description: 2005 GreatPlantsTM. Outstanding, long standing, attractive specimen with tall rods of bright gold in late summer. Collected in the Wichitas in Southwestern Oklahoma by Steve Bieberich of Sunshine Nursery. |
| Zone: 4 |
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SOLIDASTER luteus (sol-ih-DAS-ter) (lew-TEE-us) | SOLILU3 |
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| Common Name: |
| Description: Dense heads of yellow daisies from July-September. Excellent cut. A cross between goldenrod and a white aster. |
| Zone: 3 |
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SPHAERALCEA coccinea (sfeer-AL-see-uh)(kok-SIN-ee-uh) | SPHACO3 |
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| Common Name: Prairie Mallow, Scarlet Globemallow |
| Description: Low growing, native ground cover for naturalizing. Coral red flowers. Brought back for 2026. |
| Zone: 5 |
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STACHYS byzantina 'Helene von Stein' (STAK-iss) (by-zan-TEEN-a) | STACHE5 |
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| Common Name: Betony, Woundwort |
| Description: Strong, vigorous, excellent stachys. Large, wooly, serrated, silver leaves create contrast. This plant has a good record for holding up in hot, humid weather. |
| Zone: 5 |
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STACHYS byzantina 'Silver Carpet' (STAK-iss) (by-zan-TEEN-a) | STACSC3 |
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| Common Name: Betony, Woundwort |
| Description: Silvery-gray foliage mats; seldom flowers, so requires less maintenance. |
| Zone: 4 |
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STACHYS monieri 'Hummelo' (STAK-iss) | STACHU3 |
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| Common Name: Betony |
| Description: Hummelo has glossy, dark green leaves with bright rose-purple flowers. The flowers resemble Salvia; blooms mid-summer.
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| Zone: 4 |
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STOKESIA laevis (sto-KEE-see-ah) | STOKLA3 |
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| Common Name: Stoke's Aster |
| Description: Lovely, lilac-blue disc flowers. Southeast US native. |
| Zone: 5 |
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STYLOPHORUM diphyllum (sty-lo-FOR-um) (dy-FIL-um) | STYLDI5 |
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| Common Name: Celandine, Golden Poppy, Wood Poppy |
| Description: Native of rich, moist woods; 2", golden flowers. |
| Zone: 4 |
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TALINUM calycinum (tal-IN-um) (kal-EE-sin-um) | TALICA3 |
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| Common Name: Rock Rose |
| Description: Purplish-pink, 1" wide flowers on 1' stems. Succulent leaves on this Great Plains prairie native. Needs a well-drained, dry site. A real jewel! |
| Zone: 4 |
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TANACETUM coccineum 'Robinson's Crimson' (tan-ah-SEE-tum) (kok-SIN-ee-um) | TANARC3 |
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| Common Name: |
| Description: Large, dark red flowers. Excellent cut. |
| Zone: 5 |
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TANACETUM niveum (tan-ah-SEE-tum) (NIV-ee-um) | TANANI3 |
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| Common Name: Snowy Tansy, White Bouquet |
| Description: Fragrant, lacy, silvery foliage topped with a huge bouquet of white daisies. This plant thrives in a variety of soils, including clay. |
| Zone: 4 |
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TEUCRIUM chamaedrys (TEW-kree-um) (kam-EE-dris) | TEUCCH3 |
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| Common Name: Germander |
| Description: Shrub-like, green foliage can be sheared. Purple flowers in late summer. |
| Zone: 4 |
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THALICTRUM aquilegifolium (tha-LIK-trum) (ak-will-ee-zsee-eye-FOE-lee-um) | THALAQ3 |
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| Common Name: Meadow Rue |
| Description: Graceful, columbine-like foliage; airy rose and white flowers in spring. |
| Zone: 5 |
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THALICTRUM delavayi (tha-LIK-trum) (del-ah-VAY-eye) | THALDE3 |
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| Common Name: Meadow Rue |
| Description: RHS Award of Garden Merit. Rosy-lilac flowers with yellow anthers. |
| Zone: 5 |
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THALICTRUM rochebrunianum (tha-LIK-trum) (roesh-broo-nee-AY-num) | THALRO3 |
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| Common Name: Meadow Rue |
| Description: Reddish-lilac flowers on plants with glabrous foliage. A very striking plant! |
| Zone: 5 |
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THERMOPSIS lanceolata (ther-MOP-sis) (lan-see-oh-LAY-tah) | THERLA3 |
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| Common Name: False Lupine, Bush Pea |
| Description: Dense spikes of yellow flowers. |
| Zone: 4 |
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THERMOPSIS villosum (ther-MOP-sis)(vil-OH-sum) | THERVI3 |
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| Common Name: |
| Description: 2015 Great Plants™ Perennial of the Year. Upright perennial with dense, spike-like racemes of yellow, lupine-like flowers in early spring. Foliage is a blue-green with tiny hairs. Can be used as a cut flower. |
| Zone: 3 |
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