How to Grow Royal Picotee

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Royal Picotee

Dianthus caryophyllus 'Royal Picotee'

flower

Royal Picotee is a stunning carnation variety featuring deep crimson-red petals with distinctive white or pale pink picotee edges, creating a striking bicolor effect. This elegant cut flower is prized for floral arrangements and bouquets. It combines the classic beauty of carnations with a sophisticated color pattern.

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Example Royal Picotee timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Royal Picotee

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Royal Picotee blooms

    Around Jun 26

    ≈ 70 days after planting

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

Growing Conditions

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Sun: Full sun, 6-8 hours daily; can tolerate partial shade in hot climates
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Water: Moderate, consistent watering; allow soil surface to dry between waterings. Avoid wetting foliage to prevent fungal diseases. Reduce watering in winter.
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Spacing: 8-12 inches
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Days to maturity: 70-90 days to first bloom
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Planting depth: 0.25 inches for seeds; transplants at soil level

Soil

Type: Well-draining, fertile loamy soil
pH: 6.0-6.8
Amendments:
Compost Peat moss Perlite for drainage Balanced fertilizer

Growing Zones

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Thrives in zones 6-9; can be grown as annual in cooler zones or in greenhouses

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

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Growth Stages

1

Seedling

2-3 weeks

Tiny green shoots emerge with narrow cotyledons; plants develop first true leaves within 2-3 weeks

Keep soil consistently moist but not waterlogged. Provide bright light and good air circulation to prevent damping off. Thin seedlings to proper spacing.

2

Vegetative Growth

4-6 weeks

Plant develops bushy foliage with thin, needle-like gray-green leaves on upright stems; no flowers yet

Pinch back growing tips when 4-6 inches tall to encourage branching and bushier growth. Remove any dead or diseased foliage. Water at soil level.

3

Bud Formation

2-3 weeks

Flower buds begin forming at stem tips; buds are tight and wrapped in sepals

Apply balanced flowering fertilizer (lower nitrogen, higher phosphorus). Continue regular watering. Support tall stems with stakes if needed.

4

Flowering

3-6 weeks per flower, staggered blooming

Buds open to reveal fully double flowers with crimson-red petals edged in white or pale pink; strong clove-like fragrance

Deadhead spent flowers to encourage continued blooming. Water consistently. Avoid overhead watering. Cut flowers when petals just begin to reflex for longest vase life.

5

Senescence

Variable, depends on climate

Flowers fade and petals drop; plant may decline in summer heat or cool season if not treated as perennial

In cool climates, may reflower if pruned back and temperatures cool. In warm areas, often replanted annually. Remove dying plants.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring constantly wet soil Prone to same fungal diseases (Fusarium, rust)

Common Pests

  • Increase humidity, spray with water, use neem oil or insecticidal soap; maintain good air circulation

  • Spray with strong water stream, use insecticidal soap, neem oil, or introduce natural predators like ladybugs

  • Remove infested flowers, use blue sticky traps, apply neem oil or spinosad; maintain good air circulation

  • Remove affected plant parts, improve drainage to prevent moist conditions, use yellow sticky traps

  • Improve air circulation, avoid wetting foliage, remove infected leaves, apply fungicide if severe; may be irreversible

  • Prevention is critical: use well-draining soil, avoid overwatering, remove infected plants, sterilize tools; no cure once established

Uses

🍳

Edible Flowers

Culinary

Royal Picotee petals are edible and can be used as garnish for salads, cakes, and desserts, adding both visual appeal and a slightly sweet, spicy clove-like flavor. Ensure flowers are grown without pesticides before consuming. [source]

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Cut Flowers & Floral Arrangements

Craft

Royal Picotee is primarily valued as a premium cut flower for wedding arrangements, bouquets, and professional floral design. The distinctive bicolor pattern and long vase life make it ideal for special occasions. [source]

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Home Fragrance

Household

Fresh-cut Royal Picotee flowers emit a strong, pleasant clove-like fragrance that naturally perfumes indoor spaces, making them excellent for living rooms and bedrooms. [source]

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Traditional Herbal Uses

Medicinal

Historically, carnations have been used in herbal medicine traditions to support circulatory health and promote calm. Modern use is limited, but herbal tea from petals may offer mild antioxidant benefits. [source]

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Pollinator Support

Wildlife

Carnation flowers provide nectar and pollen for bees and butterflies, supporting local pollinator populations while adding beauty to gardens. [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 in early morning when stems are fully hydrated. Use sharp, clean scissors or knife. Cut stems at 45-degree angle just above a leaf node. Remove lower leaves below waterline. Flowers typically last 2-3 weeks in a vase with fresh cut-flower food and cool conditions. Harvest regularly to encourage more blooms.

Fun Facts

  • 🌱 The name 'carnation' likely derives from 'coronation' because the flower was used in ancient Greek ceremonial crowns, and Royal Picotee's regal color pattern honors this heritage.
  • 🌱 Carnations are the third most popular cut flower worldwide after roses and tulips, and the picotee pattern (colored edges) is one of the most prized color variations in the carnation world.
  • 🌱 Royal Picotee carnations can live 2-3 weeks in a vase—significantly longer than roses—making them an economical choice for long-lasting floral displays.

Gardening Terms

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

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