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Recommended Perennials To download the whole book from of "Recommended Plants for Rockwall County", by Rockwall Master Gardeners Association. Choose the Recommended Plants in Rockwall County link to the left. |

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Artemisia
Artemisia x. 'Powis Castle' (24 - 36 inches)
Gray, finely divided foliage, very aromatic. Prefers full sun and well drained soil.
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Autumn Sage
Salvia greggii (36 inches)
Gray, finely divided foliage, very aromatic. Prefers full sun and well drained soil.
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Butterfly Bush
Buddleia davidii (36 - 48 inches)
Blooms in summer, flower color depends on selection - purple, red, white, pink, blue, and yellow. Full sun or light shade. Regular to moderate water, excellent drainage is a must. 'Black Knight' is an excellent purple color. | |

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Calylophus
Calylophus drummondianus (12 - 18 inches) Native
Blooms March - November. Yellow flowers (2" wide). Mature flowers turn orange. Prefers full sun and well drained soil. Excellent mass in hot dry beds. Spreads by underground rhizomes. Plants are dormant in winter.
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Canna
Canna x. generalis (36 - 72 inches)
Large green to bronzy red leaves with spikes of large, irregularly shaped flowers. Blooms from summer to fall with mixed colors. Prefers full sun, ample water during growth and bloom. Needs moist, well-drained soil.
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Catmint
Nepta x faassenii 'Six Hills' (10 - 12 inches)
Silvery gray foliage with light blue flowers. Blooms spring through fall. Prefers full sun, well-drained soil. |
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Daylily
Hemerocallis sp. (12 - 36 inches)
Blooms in summer with mixed colors. Few plants are tougher or more trouble free than daylilies. They adapt to almost any kind of soil. They can be evergreen, semi-evergreen, or deciduous depending on type. Grow in full sun or light shade.
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Flame Acanthus
Anisacanthus quadrifidus v. wrightii (24 - 36 inches)
Plant grows 2-3 ft. tall with red-orange flowers from June - October. Attracts hummingbirds. Prefers sunny locations, but it will also bloom in shady areas. Tolerates dry soil.
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Gaura
Gaura lindheimeri (36 - 48 inches)
Small pink and white flowers bloom from spring to fall. Long bloom period with only a few blossoms opening at a time. Prefers full sun or partial shade. Very drought tolerant, prefers unfertilized, well-drained soil.
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Mexican Bush Sage
Salvia leucantha (36 - 48 inches) Native
Grayish green foliage with long velvety purple spikes set with small white flowers arch outward in summer and fall. Takes some drought. May be harder if old stems are not cut back until spring. Tolerates sun and partial shade. Needs well drained soil.
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Moonbeam Coreopsis
Coreopsis verticulata 'Moonbeam' (18 inches) Native
Lemon-yellow daisy flowers with dark green, airy thin leaves. Blooms June until frost. Does well in full sun or light shade. 'Nana' a broadleaf variety (10 - 12 inches). Needs well-drained soil.
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Oxeye Daisy
Chrysanthemum leucanthemum (18 - 36 inches)
Blooms March to June with classic white daisies with yellow centers. Grow in sun to partial shade. Needs well-drained soil. | |

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Purple Coneflower
Echinacea purpurea (24 - 36 inches) Native
Rose-purple, daisy like blooms with dark cones. Blooms from May to September. Attracts butterflies. Grows in full sun and partial shade. Also available in white. Prefers well-drained soil.
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Russian Sage
Perovskia atriplicifolia (36 - 42 inches)
Silvery foliage with outstanding mass color, fragrance. Blooms violet - blue flowers from June to October. Prefers full sun, needs moderate water and tolerates drought.
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Salvia
Salvia farinacea x longispicata, 'Indigo Spires' (36 - 48 inches)
This fast growing plant with light green foliage has a mass of dark purple blooms. Starts blooming in early summer and continues until freeze. It needs a moist well-drained soil in a sunny or partial shade location. | |
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Yarrow
Achillea sp. (12 - 24 inches)
Upright, lacy foliage with flat topped clusters of flowers. Colors of hybrids include white, rose, pink, red and yellow. Some have silvery gray foliage. Blooms early spring to summer. Prefers full sun and well drained soil.
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