| Agastache Agastache spp. and hybrids |
5 to 10 |
Spikes of lavender, pink or orange in summer |
| Ajuga Ajuga reptans |
3 to 10 |
Ground cover with green, bronze or variegated foliage; spikes of blue or pink flowers in spring |
| Anthemis Anthemis tinctoria |
3 to 8 |
Yellow or white daisies much of the summer |
| Artemisia Artemisia versicolor ‘Seafoam’ |
4 to 10 |
Low mat of fine-textured silver-gray foliage; most other artemisias are also drought tolerant |
| Baby’s breath Gypsophila paniculata |
3 to 9 |
Billows of tiny white flowers in summer |
| Basket-of-gold Aurinia saxatilis |
3 to 7 |
Low mat of bright-yellow flowers in early spring |
| Bearded iris Iris hybrid |
3 to 9 |
Wide variety of colors in late spring |
| Bishop’s weed Aegopodium podagraria ‘Variegatum’ |
3 to 9 |
Vigorous ground cover with variegated leaves |
| Blanket flower Gaillardia grandiflora |
3 to 9 |
Mahogany-red flowers with yellow edges much of the summer; most blanket flower species are drought tolerant |
| Butterfly weed Asclepias tuberosa |
4 to 9 |
Glowing orange flowers in summer |
| Candytuft Iberis sempervirens |
4 to 9 |
Low clumps of white flowers mid- to late spring |
| Catmint Nepeta spp. |
3 to 9 |
Spikes of lavender-blue flowers in late spring |
| Cushion spurge Euphorbia polychroma |
4 to 8 |
Dome-shaped mound with bright-yellow bracts in late spring |
| Daylily Hemerocallis hybrids |
3 to 9 |
Wide variety of colors that bloom mostly in summer |
| False indigo Baptisia australis |
3 to 9 |
Spikes of deep-blue flowers in late spring |
| Garden pinks Dianthus gratianopolitanus |
3 to 9 |
Mounds of fragrant pink flowers in late spring |
| Gaura Gaura lindheimeri |
5 to 10 |
Tall spires of pink or white flowers in summer |
| Gazania Gazania spp. |
6 to 10 |
Shades of orange and yellow in early spring |
| Germander Teucrium chamaedrys |
4 to 9 |
Pale-pink to deep-purple flowers in late summer |
| Goldenrod Solidago spp. |
4 to 9 |
Sprays of golden-yellow flowers in late summer |
| Hardy ice plant Delosperma cooperi |
5 to 10 |
Ground cover with bright pink flowers all summer |
| Hyssop Hyssopus officinalis |
4 to 9 |
Spikes of blue or pink flowers in midsummer |
| Jupiter’s beard Centranthus ruber |
5 to 8 |
Rosy pink flowers in late spring |
| Lamb’s ears Stachys byzantina |
4 to 9 |
Mounds of gray leaves and spikes of magenta flowers in summer |
| Lavender Lavender spp. |
5 to 10 |
Spikes of fragrant blue-purple flowers in summer |
| Lavender cotton Santolina chamaecyparissus |
5 to 10 |
Yellow button flowers in summer; aromatic gray foliage |
| Mallow Malva sylvestris |
4 to 9 |
Mauve-purple flowers with stripes on the outside in late summer |
| Missouri primrose Oenothera macrocarpa |
4 to 8 |
Large yellow flowers much of the summer; most Oenothera species are drought tolerant |
| Mullein Verbascum bombyciferum |
4 to 8 |
Tall spires of yellow flowers in mid- to late summer |
| Orange globe mallow Sphaeralcea munroana |
4 to 9 |
Wands of orange flowers in midsummer |
| Oriental poppy Papaver orientale |
3 to 7 |
Often brightly colored papery flowers in spring |
| Ornamental onion Allium senescens |
3 to 8 |
Lavender or pink flowers in late summer; most alliums are drought tolerant |
| Penstemon Penstemon spp. and hybrids |
4 to 11 |
Large family of drought-tolerant plants with spike flowers in many colors |
| Peony Paeonia lactiflora |
3 to 8 |
Mounds of white, pink or red flowers in spring |
| Poppy mallow Callirhoe involucrata |
4 to 8 |
Wine-red, white -eyed flowers much of the summer |
| Prairie zinnia Zinnia grandiflora |
4 to 9 |
Deep-yellow flowers from late summer into fall |
| Purple coneflower Echinacea purpurea |
4 to 9 |
Carmine-pink daisies in late summer |
| Red hot poker Kniphofia uvaria |
4 to 10 |
Orange and yellow spikes in summer |
| Rough blazing star Liatris aspera |
3 to 9 |
Spikes of rosy purple flowers in summer |
| Russian sage Perovskia atriplicifolia |
4 to 9 |
Spires of lavender-violet flowers in late summer |
| Sage Salvia spp. |
5 to 9 |
Spikes of blue, pink or white flowers in summer; many drought-tolerant species and hybrids |
| Sea lavender Limonium latifolium |
3 to 9 |
Airy panicles of lavender-blue flowers in late summer |
| Snow-in-summer Cerastium tomentosum |
3 to 7 |
Gray-foliaged ground cover with white flowers in late spring |
| Stokes’ aster Stokesia laevis |
5 to 9 |
Lavender-blue or pink chrysanthemum-like flowers in summer |
| Tall sedum Hylotelephium hybrids |
3 to 9 |
Flat clusters of pink, white or rust in late summer |
| Threadleaf coreopsis Coreopsis verticillata |
3 to 9 |
Small yellow daisies much of the summer |
| Thyme Thymus serpyllum |
4 to 9 |
Mat-forming ground cover with pink or white flowers in spring; most thyme species are drought tolerant |
| Verbena Verbena bipinnatifida |
3 to 8 |
Magenta-pink flowers all summer; many other verbena species are drought tolerant |
| Veronica Veronica spicata |
3 to 8 |
Spikes of blue, pink or white flowers in summer |
| Yarrow Achillea filipendulina |
3 to 8 |
Dark-yellow flower clusters in summer |
| Yucca Yucca spp. |
4 to 10 |
Tall spires of creamy white flowers in summer; spiky evergreen foliage |