Treasure Flower and Other Eye-Catching Plants

Here are 12 plant varieties and the planting information for each zone.

treasure flower has large daisy like flowers

This tender perennial is grown as an annual for its large 3-5 inch daisy-like flowers in various colors.

Gazania hybrida — Treasure Flower

  • Plant in full sun; fertilize regularly. Plant in coarse, sharply drained soil; plant slightly high; susceptible to root rot.
  • Height: 10-16 inches
  • Width: 8-12 inches.
  • Hardy in zones 9-11

Zones 2-8: Plant in spring after danger of frost has passed; plant in full sun; water when dry, but don't over water; discard plants after first hard frost.

Zone 9: Plant in spring; plant in full sun; water when dry, but don't over water; cut back and mulch in fall.

Zone 10: Plant in spring; plant in full sun; water when dry, but don't over water; cut back and mulch in fall.

Zone 11: Plant in spring; plant in full sun; water when dry, but don't over water; cut back and mulch in fall.

Bougainvillea x buttiana 'Barbara Karst' — Barbara Karst Bougainvillea

barbara karst bougainvillea has vivid red flowers

The Barbara Karst Bougainvillea is an evergreen thorny vine with vivid red flowers.

  • Plant in full sun in average soil that is well-drained; heat tolerant. Fertilize regularly with water-based fertilizers.
  • Height: to 20 feet
  • Width: 4-6 feet
  • Hardy in USDA zones 9-11

Zones 2-8: Plant in spring after danger of frost has passed; grow as an annual or bring indoors in fall.

Zone 9: Plant in fall or early spring; water during dry spells until established; may be damaged or killed in temperatures below 25.

Zone 10: Plant in fall or early spring; water during dry spells until established.

Zone 11: Plant in fall or early spring; water during dry spells until established.

Justica spicigera — Mexican Honeysuckle

mexican honeysuckle attracts hummingbirds

This evergreen shrub with velvetly leaves and orange tubular flowers attracts 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.

Salvia greggii — Autumn Sage

autumn sage has trumpet shaped colorful flowers

This small semi-evergreen to evergreen shrub has 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 8-10: Plant in spring; plant in full sun; mulch to conserve moisture; prune back hard in late winter; may be semi-evergreen in this zone.

Caesalpinia Mexicana — Yellow Bird of Paradise

yellow bird of paradise has yellow pea like blooms

This evergreen shrub features compound leaves and yellow pea-like flowers in spring and summer.

  • Plant in full sun; heat tolerant. Plant in well-drained soil; drought tolerant; avoid fertilizers.
  • Height: 7-12 feet
  • Width: 4-6 feet
  • Hardy in USDA zones (8) 9-11

Zones 2-7: Container plant in spring after danger of frost has passed; plant in full sun; bring indoors before first frost.

Zone 8: Plant in spring; plant in full sun; mulch to conserve moisture; prune back hard in late winter; may suffer dieback in this zone.

Zone 9-11: Plant in spring; plant in full sun; prune as needed in spring.

Echinocactus grusonii — Golden Barrel

golden barrel is a large, cylindrical cactus

This large, cylindrical cactus has golden leaves and yellow spines.

  • Plant in full sun; heat tolerant. Plant in well-drained soil; water when dry.
  • Height: 3 feet
  • Width: 3 feet
  • Hardy in USDA zones 9-11

Zones 2-8: Container plant in spring after danger of frost has passed; plant in full sun; bring indoors before first frost.

Zone 9-11: Plant in spring; plant in full sun; water when dry.

Melampodium leucanthum — Blackfoot Daisy

blackfoot daisy can be invasive in some areas

Blackfoot Daisy can be classified as invasive outside of its native range. The short-lived perennial has white daily-like flowers and yellow centers.

  • Plant in full sun. Plant in rich, well-drained soil; water when dry. Deadhead to prevent excessive seedlings.
  • Height: 12-18 inches
  • Width: 18-24 inches
  • Hardy in USDA zones 7-11: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune to maintain shape and vigor.

Penstemon parryii — Parry's Penstemon

parrys penstemon has bright pink flowers

This small semi-evergreen to evergreen perennial has bright pink flowers.

  • Plant in full sun to partial shade. Plant in well-drained soil.
  • Height: 2-4 feet
  • Width: 1-3 feet
  • Hardy in USDA zones 8-10: Plant in spring; plant in full sun to partial shade; mulch to conserve moisture; prune back hard in late winter; may be semi-evergreen in this zone.

Opuntia violacea santa-rita — Santa Rita Prickly Pear

santa rita prickly pear produces edible fruit

This large, clump-forming segmented evergreen cactus produces orange-yellow flowers and edible fruit.

  • Plant in full sun. Plant in well-drained soil.
  • Height: 3-4 feet
  • Width: 4-6 feet
  • Hardy in USDA zones 7-11: Plant in spring; plant in full sun; prune to maintain shape and vigor.

Fouquieria splendens — Ocotillo (Candlewood)

candlewood is spiny shrub with red blooms

This spiny, open shrub produces red flowers in summer.

  • Plant in full sun. Plant in well-drained soil; do not water once established.
  • Height: 15-20 feet
  • Width: 12-15 feet
  • Hardy in USDA zones 8-11: Plant in spring; plant in full sun; prune to maintain shape and vigor.

Agave murpheyi — Murphy's Agave

murphys agaveis an evergreen succulent

This evergreen succulent has upright "spiky" folage and green/yellow blooms with red margins on tall panicle reaching upwards of 14 feet tall.

  • Plant in full sun in average soil that is well-drained.
  • Height: 2 feet
  • Width: 2-3 feet
  • Hardy in USDA zones 8-11

Zones 2-7: Plant in spring after danger of frost has passed; grow as an annual or bring indoors in fall.

Zone 8: Plant in fall or early spring; water during dry spells until established; may be damaged or killed in temperatures below 10.

Zone 9-11: Plant in fall or early spring; water during dry spells until established.

Hesperaloe parviflora — Red Texas Yucca

red texas yucca has thick sword shaped foliage

This evergreen yucca has thick sword-shaped foliage and spikes of red tubular flowers in summer.

  • Plant in full sun; heat tolerant. Plant in average soil that is well-drained soil.
  • Height: 3-5 feet
  • 2-4 feet
  • Hardy in USDA zones (7) 8-10

Zone 7: Plant in spring; plant in full sun; mulch in fall; remove any damaged foliage in the spring; may be marginally hardy in this zone and fail to flower.

Zone 8-10: Plant in spring; plant in full sun; mulch to conserve moisture.

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