Superlophus® Sunglow Texas primrose Oenothera

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  • 4.25” Pot
    Superlophus® Sunglow - Texas primrose - Oenothera  
  • A vibrant pot filled with bright yellow flowers, surrounded by green foliage, set against a white background.
  • a bush with colorful flowers
  • Patio Container: Top Banana toffee twist dropped 2023
  • flower
  • A vibrant hanging basket filled with bright yellow flowers and green foliage.
  • Patio Container: Beach Walk
  • a large bouquet of colorful flowers
  • a large group of flowers
Exposure
  • Sun
Flower Season
  • Spring
  • Summer
Mature Size
Height: 6" - 12"
Spread: 18" - 2'
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  • FEATURES

    Meet one of our most dependable, drought and heat tolerant flowering plant annuals! This Texas primrose plant, which was derived from a native Texan species, has proven in trials to thrive in hot, arid, sunny conditions and is among the most reliable drought tolerant annual flowers for challenging climates.

     

    Even in 100°F weather, established plants only need watering every few days. Additional trials have also revealed its versatility and merit in warm, humid climates, making this Texas primrose plant one of the best annuals that everyone can grow well. It is ideal for growing in containers and landscapes where radiant yellow primrose flowers cover the finely textured foliage while attracting beneficial pollinators all season. These bright blooms also provide yellow flowers for sunny gardens, adding color and resilience in hot conditions.

     

    Superlophus™ Sunglow Oenothera was formerly named Ladybird® Sunglow Calylophus.

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    Continuous Bloom or Rebloomer
    Long Blooming
    Heat Tolerant
    Deadheading Not Necessary
    Drought Tolerant
    Attracts: 
    Bees, Birds, Butterflies
    Resists: 
    Deer
    Native to North America

    CHARACTERISTICS

    Plant Type: 
    Annual
    Height Category: 
    Medium
    Garden Height: 
    6 - 12 Inches15cm - 30cm
    Trails Up To: 
    12 Inches 30cm
    Spacing: 
    8 - 12 Inches 20cm - 30cm
    Spread: 
    18 - 24 Inches 46cm - 61cm
    Flower Colors: 
    Yellow
    Flower Shade: 
    Sunny Yellow
    Foliage Colors: 
    Green
    Foliage Shade: 
    Deep Green
    Habit: 
    Mounding Trailing
    Container Role: 
    Filler

    PLANT NEEDS

    Light Requirement: 
    Sun

    The optimum amount of sun or shade each plant needs to thrive: Full Sun (6+ hours), Part Sun (4-6 hours), Full Shade (up to 4 hours).

    Maintenance Category: 
    Easy
    Bloom Time: 
    Planting To Frost
    Hardiness Zones: 
    8a, 8b, 9a, 9b, 10a, 10b
    Water Category: 
    Average
    Needs Good Drainage
    Soil PH Category: 
    Alkaline Soil
    Neutral Soil
    Uses: 
    Border Plant
    Container
    Edging Plant
    Landscape
    Mass Planting
    Uses Notes: 

    This Texas primrose plant is great in containers where good drainage is ensured, but is also a great garden plant as long as well-drained soil is available. It is a very heat tolerant flowering plant material and performs exceptionally well among drought tolerant annual flowers in the landscapes. This radiant blooms create cheerful yellow flowers for sunny gardens, especially in hot regions where many plants struggle.

    Maintenance Notes: 

    Plant in containers or well-drained landscape beds. Once plants are established in the landscape, this Texas primrose plants shouldn't need much care. The best performance is provided by soil kept on the dry side. Overwatering is the most likely problem you'll have with these plants, which naturally perform like many drought tolerant annual flowers.

     

    Do not treat them too well and they'll be happy campers. This is not a heat tolerant flowering plant that needs a lot of plant food. For plants in the landscape a dose of controlled release plant food at planting will usually be sufficient. If you live in a climate with a very long summer, reapplying after 3 or 4 months may be beneficial.

     

    For plants in containers, a dose of controlled release plant food at planting time is also recommended. However, reapplication of plant food is more likely to be needed in containers. Monitor your plant and reapply if the plant looks to be tired or if the foliage seems too light. 

     

    A water soluble plant food can add instant energy if you notice that your plants seem to be struggling. A water soluble plant food application to quickly increase energy, followed by a controlled release application of plant food will keep your plants happy for months and support more yellow primrose flowers.

     

    If your planting gets a bit open or straggly looking, you can use a sharp pair of scissors or pruning shears to trim it back.  Look to take no more than 1/3 the volume of the plant. I usually follow a trim, with an application of water soluble plant food. The plant food/trim combination will stimulate new growth and branching and after a week or two to recover will result in a better branched and more floriferous plant with more yellow primrose flowers and bright yellow flowers for sunny gardens. In long season climates, trimming more than once can be beneficial.

     

    Superlophus® Sunglow Oenothera   'WNCYLASUN' USPP 34,148, Can 6,964
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