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Selections for 2003

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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 2003

Kentucky Coffee Tree

Gymnocladus dioica

Kentucky Coffee Tree is an Oklahoma native growing to 60 feet tall. It is very heat and drought tolerant and does well on high pH soils. Although it has few branches when young, it matures to a majestic and beautiful tree with large seed pods adding winter interest.

  • Sun Exposure: Full
  • Soil: Tolerates a wide range of conditions including dry and alkaline soils
  • Hardiness: USDA Zone 4




Shrub for 2003

Pink Velour® Crapemyrtle

Lagerstroemia indica 'Whit III'

Pink Velour® was developed in Oklahoma for its burgundy spring foliage. Summer leaves have a dark purple cast and highlight the pink flowers that are formed from early July until frost. Pink Velour® forms a ten-foot high, multi-stemmed large shrub, is drought tolerant, and highly resistant to powdery mildew.

  • Sun Exposure: Full
  • Soil: Moist, well-drained
  • Hardiness: USDA Zone 6b




Perennial for 2003

Japanese Painted Fern

Athyrium nipponicum

Japanese Painted Fern is a deciduous perennial growing to twelve inches tall. It can be used in shaded perennial gardens or massed as a ground cover. Cultivars are available, each with its own pattern of red and silver variegation.

  • Sun Exposure: Part to full shade
  • Soil: Moist, well-drained
  • Hardiness: USDA Zone 4




Annual for 2003

Yellow Bells

Tecoma stans

Yellow Bells is a tropical shrub used as an annual in Oklahoma. It can reach a height of three feet and produces striking yellow flowers above glossy green leaves from summer until frost. Orange flowering cultivars are also available. Give this plant a southern exposure; it loves the heat and sun.

  • Sun Exposure: Full
  • Soil: Moist, well-drained
  • Hardiness: Use as an annual