Rose Hibiscus
Tropical evergreen shrub; dark green leathery foliage and large red, maroon or white flowers
Plant in full sun to light shade
Plant in average to moist soil; water when dry; fertilize monthly during growing season
Height: 7-15 feet; Width: 6-8 feet
Hardy in USDA zones (8)9-10:
Zone 8: Plant in spring; plant in full sun to light shade; provide supplemental water during dry spells; mulch especially in fall; may be marginally hardy in this zone and die back to the ground during a frost.
Zone 9: Plant in spring; plant in full sun to light shade; provide supplemental water during dry spells; mulch to conserve moisture.
Zone 10: Plant in spring; plant in full sun to light shade; provide supplemental water during dry spells; mulch to conserve moisture.
Queen Palm
Tropical evergreen palm with a smooth trunk that produces white flowers and edible fruit
Plant in full sun; heat tolerant
Plant in average to moist soil; water when dry;
Height: 20-60 feet; Width: 10-15 feet
Hardy in USDA zones 9-11:
Zone 9: Plant in spring; plant in full sun; provide supplemental water during dry spells; mulch especially in fall; remove any frost damaged fronds in the spring
Zone 10: Plant in spring; plant in full sun; provide supplemental water during dry spells; mulch to conserve moisture.
Zone 11: Plant in spring; plant in full sun; provide supplemental water during dry spells; mulch to conserve moisture.
Weeping Yucca
Weeping evergreen yucca with strap-like foliage and spikes of creamy white flowers in summer
Plant in full sun; heat tolerant
Plant in average to moist soil but well-drained soil
Height: 5-8 feet; Width: 4-6 feet
Hardy in USDA zones 7-10:
Zone 7: Plant in spring; plant in full sun; mulch in fall; remove any damaged foliage in the spring.
Zone 8: Plant in spring; plant in full sun; mulch to conserve moisture.
Zone 9: Plant in spring; plant in full sun; mulch to conserve moisture.
Zone 10: Plant in spring; plant in full sun; mulch to conserve moisture.
Autumn Sage
Small semi-evergreen to evergreen shrub with trumpet-shaped flowers in a variety of colors in late summer
Plant in full sun; heat tolerant; reseeds in warmer climates
Plant in well-drained soil; drought tolerant; avoid fertilizers
Height: 2-4 feet; Width: 2-4 feet
Grown as an annual in zones 2-6
Hardy in USDA zones 7-10:
Zones 2-6: Plant in spring after danger of frost has passed; plant in full sun; remove after first killing frost.
Zone 7: Plant in spring; plant in full sun; mulch in fall; prune back hard in late winter; semi-evergreen in this zone.
Zone 8: Plant in spring; plant in full sun; mulch to conserve moisture; prune back hard in late winter; may be semi-evergreen in this zone.
Zone 9: Plant in spring; plant in full sun; mulch to conserve moisture; prune back hard in late winter; evergreen in this zone.
Zone 10: Plant in spring; plant in full sun; mulch to conserve moisture; prune back hard in later winter; evergreen in this zone.
Mexican Honeysuckle
Evergreen shrub with velvety leaves and orange tubular flowers that attract hummingbirds
Plant in full sun to partial shade
Plant in rich, well-drained soil; water when dry
Height: 3-4 feet; Width: 4-6 feet
Hardy in USDA zones 9-11:
Zone 9: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune to maintain shape and vigor.
Zone 10: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune to maintain shape and vigor.
Zone 11: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune to maintain shape and vigor.
Mexican Petunia
This plant is listed as a Category I noxious weed in Florida and other frost-free areas.
Upright tender perennial with narrow leaves and purple flowers in summer
Plant in full sun to partial shade; invasive weed in warmer climates
Plant in moist well-drained soil
Height: 3-4 feet; Width: 3-4 feet
Grown as an annual in zones 2-7
Hardy in USDA zones 8-11:
Zones 2-7: Plant in spring after danger of frost has passed; plant in full sun; remove after first killing frost.
Zone 8: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune back in late winter; deadhead to prevent seeding.
Zone 9: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune back in late winter; deadhead to prevent seeding.
Zone 10: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune back in late winter; deadhead to prevent seeding.
Zone 11: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune back in late winter; deadhead to prevent seeding.
Pygmy Date Palm
Tropical evergreen dwarf palm with a slender trunk and delicate foliage
Produces dark purple-brown fruit in late summer
Plant in full sun to partial shade
Plant in rich organic soil; water when dry; fertilize with nitrogen during the growing season
Height: 8-10 feet; Width: 4-6 feet
Hardy in USDA zones 9-11:
Zone 9: Plant in spring; plant in full sun to partial shade; provide supplemental water during dry spells; mulch especially in fall; remove any frost damaged fronds in the spring
Zone 10: Plant in spring; plant in full sun to partial shade; provide supplemental water during dry spells; mulch to conserve moisture.
Zone 11: Plant in spring; plant in full sun to partial shade; provide supplemental water during dry spells; mulch to conserve moisture.
Texas Mountain Laurel
Evergreen shrub or small tree with glossy green foliage and aromatic purple flowers resembling wisteria
Plant in full sun to light shade
Plant in organic soil that is well-drained; drought tolerant
Height: 12-15 feet; Width: 6-10 feet
Hardy in USDA zones 7b-11:
Zone 7b: Plant in spring; plant in full sun; mulch in fall; remove any frost damaged foliage in the spring.
Zone 8: Plant in spring; plant in full sun; mulch in fall; remove any frost damaged foliage in the spring
Zone 9: Plant in spring; plant in full sun to light shade; water during dry spells; mulch to conserve moisture.
Zone 10: Plant in spring; plant in full sun to light shade; water during dry spells; mulch to conserve moisture.
Zone 11: Plant in spring; plant in full sun to light shade; water during dry spells; mulch to conserve moisture.
Goodwin Creek Lavender
Evergreen hybrid of French Lavender with silver foliage and purple flowers in summer
Plant in full sun
Plant in average garden soil that is well-drained
Height: 3 feet; Width: 3 feet
Hardy in USDA zones 7-10:
Zone 7: Plant in spring; plant in full sun; mulch in fall; pull back mulch in spring; prune back in early spring.
Zone 8: Plant in spring; plant in full sun; mulch in fall; pull back mulch in spring; prune back in early spring.
Zone 9: Plant in spring; plant in full sun; prune back in early spring; may bloom into winter.
Zone 10: Plant in spring; plant in full sun; prune back in early spring; may bloom into winter.
Spanish Lavender
Compact evergreen woody perennial herb with gray foliage and purple spikes of flowers
Plant in full sun
Prune after flowering to maintain a neat habit and in early spring to remove dead wood
Plant in average garden soil that is very well-drained
Height: 20-24 inches; Width: 18-24 inches
Hardy in USDA zones (7)8-10:
Zone 7: Plant in spring; plant in full sun; mulch in fall; pull back mulch in spring; may be marginally hardy in this zone.
Zone 8: Plant in spring; plant in full sun; mulch in fall; pull back mulch in spring.
Zone 9: Plant in spring; plant in full sun.
Zone 10: Plant in spring; plant in full sun.
Oregano
Woody-based perennial or sub-shrub with aromatic, dark green leaves
Grow in poor or mildly fertile, but sharply drained, preferably alkaline soil
Grow in full sun in all zones
Height: 12-36 inches; Width: 12-36 inches
Hardy in USDA zones 4-9:
Zones 4: Plant in spring to prevent heaving; mulch in spring and again heavier in fall; dig and bring indoors before frost if in marginal areas of zone 4a; avoid excessive winter moisture; prune old flower and cold damaged stems in spring.
Zones 5: Plant in spring to prevent heaving; mulch in spring and again in fall; avoid excessive winter moisture; prune old flower and cold damaged stems in spring.
Zones 6: Plant in spring; mulch in spring and again in fall; avoid excessive winter moisture; prune old flower and leggy stems in spring.
Zones 7: Plant in spring or early fall; mulch in spring and again in fall; avoid excessive winter moisture; prune old flower and leggy stems in spring.
Zones 8: Plant in spring or early fall; mulch in spring and again in fall; avoid excessive winter moisture; prune old flower and leggy stems in spring.
Zones 9: Plant in spring or early fall; mulch in spring and again in fall; avoid excessive winter moisture; prune old flower and leggy stems in spring.
Variegated Oregano
Tender low-growing perennial often grown as an annual
Aromatic, dark green leaves splashed with gold
Grow in poor or mildly fertile, but sharply drained, preferably alkaline soil
Grow in full sun in all zones
Height: 4-12 inches; Width: 12-18 inches
Hardy in USDA zones (7)8-9:
Zones 7: Plant in spring; mulch in spring and again in fall; avoid excessive winter moisture; may be marginally hardy in this zone
Zones 8: Plant in spring; mulch in spring and again in fall; avoid excessive winter moisture.
Zones 9: Plant in spring; avoid excessive winter moisture.
Tuscan Blue Rosemary
Woody, evergreen shrub with aromatic, dark green leaves
Grow in poor or mildly fertile, but sharply drained soil
Grow in full sun in all zones
Height: 4-6 feet; Width: to 4-6 feet
Hardy in USDA zones (7)8-11:
Zones 7: Plant in spring; mulch in spring and again heavier in fall; place in warmer micro-climate near structure or protected area; prune in spring to desired shape; may be marginally hardy in this zone.
Zones 8: Plant in spring or early fall; mulch in spring and fall; prune in spring to desired shape.
Zones 9: Plant in spring or early fall; mulch in fall; prune in spring to desired shape.
Zones 10: Plant in spring or early fall; mulch in fall; prune in spring to desired shape.
Zones 11: Plant in spring or early fall; mulch in fall; prune in spring to desired shape.
Dwarf Rosemary
Evergreen groundcover with fine-textured needle-like leaves and pale blue flowers
Grow in poor or mildly fertile, but sharply drained soil
Grow in full sun in all zones
Height: to 24 inches; Width: 48 inches, spreading
Hardy in USDA zones 8-11:
Zones 8: Plant in spring or early fall; prune back after flowering.
Zones 9: Plant in spring or early fall; prune back after flowering.
Zones 10: Plant in spring or early fall; prune back after flowering.
Zones 11: Plant in spring or early fall; prune back after flowering.
Purple Sage
Although the straight species of this plant is hardy in zone 5, Purpurascens seems to be much more tender and only hardy to zone 7, maybe zone 6 with protection.
Perennial evergreen herb with purple leaves and lilac-blue flowers in summer
Good heat tolerance
Plant in full sun
Plant in average, but sharply drained soil
Divide every few years in early spring
Height: 18-24 inches; Width: 12-18 inches
Hardy in USDA zones (6)7-10:
Zone 6: Plant in spring after danger of frost has passed; mulch for protection; plant in full sun; water when dry; may be marginally hardy in this zone.
Zone 7: Plant in spring; plant in full sun; water when dry.
Zone 8: Plant in spring; plant in full sun; water when dry.
Zone 9: Plant in spring; plant in full sun; water when dry.
Zone 10: Plant in spring; plant in full sun; water when dry.
Oroblanco Grapefruit
Hybrid Grapefruit tree known for its sweet, juicy, almost seedless fruit with white flesh
Good heat tolerance; water when dry; harvest when fruit is sweet
Plant in full sun
Plant in rich organic but well drained soil with ample mulch
Fertilize monthly from late winter through late summer
Height: 8-15 feet; Width: 6-10 feet
Hardy in USDA zones 8-9:
Zone 8: Plant in spring; plant in full sun; water when dry.
Zone 9: Plant in spring; plant in full sun; water when dry.
Purple Trailing Lantana
Low-growing, vining evergreen shrub with purple flowers used as a groundcover
Plant in full sun; tolerates heat and drought
Plant in average to dry, well-drained soil
Height: 6-12 inches; Width: 3-4 feet
Hardy in USDA zones: 8b-10
Zones 2-8a: Plant in spring after danger of frost has passed; plant in full sun; plant in well-drained soil; pull up dead plants after first hard frost.
Zone 8b: Plant in spring after danger of frost has passed; plant in full sun; plant in well-drained soil; mulch in fall; do not prune back dead stems until early spring.
Zone 9: Plant in spring; plant in full sun; plant in well-drained soil; mulch in fall; prune back dead stems in fall or early spring.
Zone 10: Plant in spring; plant in full sun; plant in well-drained soil; mulch in fall; may continue flower throughout most of year; prune as needed.
Bacopa
Trailing tender perennial grown as an annual with small foliage and tiny flowers in a variety of colors
Plant in full sun to partial shade
Plant in organic soil that is well drained; water when dry; fertilize during growing season
Height: 3 inches; Width: 12-18 inches
Hardy in USDA zones: 9-11
Zones 2-8: Plant in spring after danger of frost has passed; plant in full sun; plant in well-drained soil; pull up dead plants after first hard frost.
Zone 9: Plant in spring; plant in full sun to partial shade; plant in well-drained soil; mulch in fall; prune back dead stems in fall or early spring.
Zone 10: Plant in spring; plant in full sun to partial shade; plant in well-drained soil; mulch in fall; may continue flower throughout most of year; prune as needed.
Zone 11: Plant in spring; plant in full sun to partial shade; plant in well-drained soil; mulch in fall; may continue flower throughout most of year; prune as needed
SOURCE:http://www.diynetwork.com/how-to/outdoors/gardening/more-foliage-more-flowers