Scutellaria resinosa

Prairie Skullcap

Grows as a mounding groundcover to less than 1 foot high—useful in rock gardens and small spaces. 'Smokey Hills' is a recent Plant Select selection. Drought tolerant. Canopy coverage: 1 square foot.

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Sedum 'Autumn Joy'

Autumn Joy Stonecrop

This succulent is a hybrid of Sedum telephium and Sedum spectabile. 'Autumn Joy' grows as a rounded clump. Flowers bloom in late summer, emerging as salmon pink then turning bronze to rust in the fall. In hot summer regions locate plants where they will receive some afternoon shade. Canopy coverage: 3 square feet.

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Sedum kamtschaticum

Russian Stonecrop, Orange Stonecrop

Russian Stonecrop is a low, mounding succulent, well-suited to rock gardens and in the foreground of the border. Leaves have interesting serrated edges. Flowers are tiny stars that emerge yellow then turn red. In hot summer regions locate plants where they will receive afternoon shade. Canopy coverage: 3 square feet.

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Stachys byzantina

Lamb's Ears

The fuzzy, silvery gray leaves of Lamb's Ears makes it a great choice to contrast with dark foliage plants. Better with afternoon shade in hot-summer climates. Spreads by runners. Selection 'Silver Carpet' does not produce flowers. Canopy coverage: 7 square feet.

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Tanacetum densum amani

Partridge Feather

Partridge Feather is a mat-forming groundcover to about 6 inches high. Lacy, feathery leaves are attractive. Requires soil with good drainage; nice in a rock garden. Plant Selection plant. Canopy coverage: 3 square feet.

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Tetraneuris acaulis

Angelita Daisy

The daisylike flowers of Angelita Daisy are profuse, blooming almost year-round. Grows in a rounded clumping form, with flowers on top of tall stems that rise above the foliage. Canopy coverage: 1 square foot.

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Teucrium chamaedrys 'Prostratum'

Creeping Germander

The mature height of Creeping Germander is listed at 1 foot high, but it actually stays lower—to just 6 inches high. Fragrant foliage is appealing when planted between stepping stones or other close-up locations. Canopy coverage: 7 square feet.

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Thymus praecox

Pink Creeping Thyme

Pink Creeping Thyme makes an interesting, mat-forming groundcover in small locations. 'Elfin', shown in photos between pavers and steppingstones, hugs the ground even closer. Canopy coverage: 1 square foot.

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Tradescantia virginiana

Spiderwort, Spiderlily

This Spiderwort grows as a clump up to 2 feet high with arching to erect, grasslike leaves. Flowers live for one day only, but are profuse so provide a long-term show of color. Species flowers bloom in shades of violet and purple; selections are available in many other flower colors. It can reseed to become invasive. Canopy coverage: 3 square feet.

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Veronica gentianoides

Gentian Speedwell

Light blue flowers bloom on tall stems in late spring and summer. With time, plantings form mats of flowers and foliage. Dies back in cold winter regions. Does not tolerate dry periods; maintain even moisture. Canopy coverage: 3 square feet.

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Veronica liwanensis

Turkish Speedwell

This delicate groundcover-perennial actually grows just an inch high, excellent as a rock garden plant or between steppingstones. Flowers are tiny but an intense shade of blue. Canopy coverage: 3 square feet.

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Veronica spicata

Spike Speedwell

Dramatic, upright flower spikes are the hallmarks of Spike Speedwell. Regular deadheading (removing spent flowers) is rewarded with a long bloom season. Canopy coverage: 3 square feet.

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Zinnia grandiflora

Prairie Zinnia

Prairie Zinnia is a low, spreading plant with yellow daisylike flowers. Expect a nice, long period of summer color. Canopy coverage: 1 square foot.

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