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Selections for 2004

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Oklahoma Proven is a plant promotion program coordinated by faculty in the Department of Horticulture and Landscape Architecture at Oklahoma State University. The goal of the program is to recommend plants well-adapted for use across Oklahoma.

 

 

Tree for 2004

Shantung Maple

Acer truncatum

Shantung Maple is a drought tolerant small to medium-sized tree great for under power lines or in residential landscapes where there isn’t room for a large tree. It grows quickly but typically only to 30' high. The leaves are star-shaped and typically emerge with an attractive purple tinge. This Asian native can have excellent fall color ranging from yellow to orange or red.

  • Exposure: Full
  • Soil: Tolerates a wide range of conditions
  • Hardiness: USDA Zone 4

 

 

 

Shrub for 2004

Winter Jasmine

Jasminum nudiflorum

Winter Jasmine is often mistaken for forsythia but it flowers earlier and has a longer lasting floral display. It flowers As early as December before its glossy green leaves are formed. It can be pruned and used as a hedge but left untrimmed it will arch gracefully forming a four foot high mound spreading to seven feet. Winter Jasmine requires very little care and is easily rejuvenated by cutting it to the ground every three to five years.

  • Exposure: Full sun to part shade
  • Soil: Tolerates a wide range of conditions
  • Hardiness: USDA Zone 6

 

 

 

Perennial for 2004

Autumn Sage

Salvia greggii 'Pink Prefernce'

‘Pink Preference’ is a cultivar of Autumn Sage that was selected for its bright pink flowers. Like the species, it is a heat and drought tolerant perennial that starts blooming in the spring but blooms most in the autumn as other flowers in the garden start to fade. It forms a two to three foot mound and attracts hummingbirds and butterflies to the garden. Pruning to six inches high each spring will help keep Autumn Sage dense and full.

  • Exposure: Full
  • Soil: Well-drained
  • Hardiness: USDA Zone 6

 

 

 

Annual for 2004

Firebush

Hamelia patens

This Central and South American native is a small tree when grown in the deep South but is best used as a heat tolerant annual in Oklahoma. The lush green foliage can produce a dense mound over three feet high in full sun and color is added by the interesting orange-red flowers and the reddish tinge on the leaf petioles. Firebush thrives in the summer heat and attracts hummingbirds and butterflies to the garden.

  • Exposure: Full
  • Soil: Well-drained
  • Hardiness: Use as an annual