How to Grow Oklahoma Rose

Wikimedia Commons

Oklahoma Rose

Rosa 'Oklahoma'

shrub

Oklahoma Rose is a hybrid tea rose known for its deep red, fragrant blooms and excellent disease resistance. It was developed by the Oklahoma State University rose breeding program and is the official state floral emblem of Oklahoma. This vigorous shrub produces large, classic rose flowers ideal for cutting and ornamental garden displays.

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Example Oklahoma Rose timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Oklahoma Rose

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Oklahoma Rose

    Around Jul 16

    ≈ 90 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Oklahoma Rose dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (minimum 6 hours required for optimal blooming)
💧
Water: Deep watering 1-2 inches per week; keep soil consistently moist but not waterlogged. Water at soil level in early morning to reduce disease pressure
📏
Spacing: 36 inches
📅
Days to maturity: 90-180 days to first significant blooms
🌱
Planting depth: Plant graft union 1-2 inches below soil surface in cold climates, at soil level in warm climates

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.5
Amendments:
Compost aged manure peat moss rose fertilizer bone meal

Growing Zones

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Thrives in zones 5-9, with best performance in zones 6-8

5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Establishment

4-8 weeks

New rose with bare or potted canes beginning to leaf out and develop root system

Water regularly to establish roots. Avoid heavy pruning first year. Apply mulch around base, keeping 6 inches clear of graft union

2

Vegetative Growth

6-12 weeks

Strong cane growth with healthy green foliage and robust branching

Fertilize monthly with rose-specific formula. Prune to open center and remove weak growth. Monitor for pests and disease

3

Bud Formation

2-4 weeks

Terminal buds appear at branch tips, showing distinct rose hip development with sepals forming

Continue regular watering. Apply fertilizer high in phosphorus to encourage blooming. Remove any diseased foliage

4

Flowering

3-4 weeks per bloom cycle

Large, deep red, fragrant blooms with classic hybrid tea form; blooms are typically 4-5 inches across

Deadhead spent flowers to encourage continuous blooming. Maintain consistent moisture. Cut flowers for arrangements in early morning

5

Post-Bloom & Dormancy

8-16 weeks

After blooming cycle, foliage may show reduced vigor; in fall/winter, plant gradually slows growth

In fall, reduce fertilizing. Prune lightly after last bloom. In winter dormancy, provide frost protection if needed in zone 5-6. Remove fallen leaves to prevent disease

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Juglans (Black walnut) Dense shade-producing trees Plants requiring afternoon shade in hot climates

Common Pests

  • Hand-pick in early morning, use traps away from roses, apply neem oil or insecticidal soap, encourage natural predators

  • Improve air circulation, avoid wetting foliage, apply sulfur spray or baking soda solution, remove infected leaves

  • Remove infected leaves promptly, improve drainage, water at soil level only, apply fungicide containing chlorothalonil or myclobutanil

  • Increase humidity with regular misting, spray with strong water stream, apply neem oil or insecticidal soap

  • Spray with water, apply insecticidal soap, use neem oil, encourage beneficial insects like ladybugs

  • Remove and destroy infected plants, control vector (rose rosette eriophyid mite) with miticides, avoid planting near wild roses

Uses

🍳

Rose Water & Petals

Culinary

Ornamental Oklahoma Rose petals can be used in culinary applications such as rose water, infusions, and garnishes. The fragrant petals add elegant flavor to desserts, beverages, and special dishes. [source]

🏠

Cut Flower Arrangements

Household

Oklahoma Rose is prized for floral arrangements and cut flower displays due to its large, deeply fragrant red blooms and long vase life. Ideal for weddings, centerpieces, and formal bouquets. [source]

💊

Herbal Remedies

Medicinal

Rose petals and hips have traditional medicinal uses including vitamin C supplementation, digestive support, and anti-inflammatory properties. Rose hip tea is commonly used for immune support. [source]

🎨

Dried Flowers & Potpourri

Craft

Oklahoma Rose petals dry beautifully and can be used in potpourri, sachets, dried arrangements, and craft projects. Their strong fragrance is retained even when dried. [source]

🦋

Pollinator Support

Wildlife

While hybrid tea roses have fewer nectar resources than wild roses, Oklahoma Rose still provides some value to pollinators including bees and butterflies, contributing to garden biodiversity. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Cut flowers early in the morning when stems are fully hydrated but before heat of day. Cut at 45-degree angle above an outward-facing bud with at least 2-3 leaves below cut. Use clean, sharp pruning shears. Remove lower leaves and thorns from stem before arranging. Change water every 2-3 days and recut stems to extend vase life (7-14 days typical). Deadhead spent flowers throughout season to encourage continuous blooming

Fun Facts

  • 🌱 Oklahoma Rose was officially designated as the state floral emblem of Oklahoma in 2004, celebrating the state's horticultural heritage and successful rose breeding program
  • 🌱 This hybrid tea rose was developed through extensive breeding work at Oklahoma State University, specifically selected for superior disease resistance and cold hardiness compared to many traditional hybrid teas
  • 🌱 The deep red color of Oklahoma Rose flowers comes from high anthocyanin pigment content, the same compounds responsible for the color in red wine and blueberries, which also provides antioxidant properties

Gardening Terms

New to gardening? Learn about terms used in this guide:

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