How to Grow Pink Double

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Pink Double

Dianthus chinensis 'Pink Double'

flower

Pink Double is a charming annual or short-lived perennial dianthus featuring fully double, ruffled pink flowers that bloom profusely throughout the growing season. This compact, bushy plant produces fragrant blooms on short stems, making it ideal for borders, containers, and cut flowers. It's prized for its intense color, long blooming period, and sweet clove-like fragrance.

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Example Pink Double timeline · Pittsburgh, PA (Zone 6b)

Plant Pink Double
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
First Pink Double blooms
Around Jun 16

≈ 60 days after planting

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

Growing Conditions

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Sun: Full sun, 6-8 hours daily; tolerates light afternoon shade in hot climates

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Water: Moderate watering; allow soil to dry slightly between waterings. Water at the base to keep foliage dry and prevent fungal diseases. In hot regions, provide consistent moisture but avoid waterlogging.

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Spacing: 8 inches

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Days to maturity: 60-75 days from seed to first bloom; 40-50 days from transplant

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Planting depth: Surface sow or press seeds into soil; do not cover, as they need light to germinate

Soil

Type: Well-draining loamy soil with moderate fertility

pH: 6.0-7.0

Amendments:

Compost or aged manure Perlite or coarse sand for drainage Lime if soil is too acidic

Growing Zones

Find your zone →

Zones 2-9; performs best in cooler climates (zones 3-7) and may struggle in extreme summer heat

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

Seed Germination

7-14 days

Seeds are very small and dark. Germination occurs within 7-14 days at 65-70°F. Seedlings emerge with two cotyledons.

Keep soil consistently moist but not waterlogged. Provide bright light immediately after germination. Maintain good air circulation to prevent damping-off disease.

Seedling & Early Growth

2-4 weeks

True leaves appear within 2-3 weeks; plants develop a compact, bushy form with narrow, blue-green foliage. Plants are ready to thin or transplant at this stage.

Thin seedlings to proper spacing once they have 2-3 true leaves. Provide bright light (grow lights if needed). Harden off before transplanting outdoors.

Vegetative Growth

3-4 weeks

Plant develops dense, mounding foliage; no flowers yet. Stems branch out and create a compact, rounded form. Foliage remains fine-textured and blue-green.

Pinch back growing tips when plants are 3-4 inches tall to encourage branching and fuller form. Water moderately and maintain consistent moisture. Feed lightly with balanced fertilizer every 2-3 weeks.

Flowering

8-12 weeks (or longer with proper care)

Double pink flowers with fully ruffled petals begin appearing at stem tips. Flowers are highly fragrant and typically 0.75-1 inch across. Blooming is continuous from early summer through fall, especially with deadheading.

Deadhead spent flowers regularly to promote continuous blooming. Feed every 2 weeks with a balanced or slightly phosphorus-rich fertilizer. Ensure consistent watering, particularly in hot weather. Remove any diseased or damaged foliage promptly.

Maturity & Decline

4-8 weeks

By mid to late fall, flowering slows as temperatures drop. In milder climates, the plant may overwinter as a short-lived perennial; in colder zones, it typically dies after the first frost.

Reduce watering in fall. Collect seeds if desired before first hard frost. In zones 8-9, provide afternoon shade and adequate water to extend the season. Consider this an end-of-season plant.

Companion Planting

Plan your garden →

Plant with:

Alyssum Dusty Miller Salvia Petunias Marigolds Catmint Pinks (other Dianthus varieties) Calendula Snapdragons

Avoid planting near:

Tall, shade-casting plants Plants with deep root systems that compete for nutrients Species prone to the same fungal diseases (e.g., mildew-susceptible plants in humid areas)

Common Pests

Spray with water to dislodge; apply neem oil or insecticidal soap if infestation is severe. Increase humidity and avoid dusty conditions.
Spray with strong water spray; use insecticidal soap or neem oil. Encourage beneficial insects like ladybugs.
Use yellow sticky traps; spray with neem oil or insecticidal soap. Improve air circulation.
Ensure good air circulation and avoid wetting foliage. Apply fungicide if necessary. Remove affected leaves. Water at soil level only.
and
Remove by hand, especially at dusk. Use slug baits or beer traps. Create barriers with crushed eggshells or diatomaceous earth.

Uses

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Edible garnish and flavoring

Culinary

Pink Double dianthus petals are edible and can be used to garnish salads, desserts, and drinks, imparting a mild clove-like flavor. They add visual appeal and a subtle, spicy note to culinary presentations. [source]

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Cut flowers and arrangements

Household

The fragrant, long-lasting double blooms are excellent for fresh flower arrangements, bouquets, and floral displays. Their compact size makes them ideal for small vases and tabletop arrangements. [source]

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Dried flowers and pressed flowers

Craft

Pink Double flowers can be dried for dried arrangements and craft projects, or pressed for use in scrapbooking, cards, and resin art. They retain their color reasonably well when properly dried. [source]

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Pollinator attraction

Wildlife

The fragrant, nectar-rich flowers attract bees, butterflies, and other pollinators, making Pink Double a valuable addition to pollinator gardens. The long blooming season provides extended food sources. [source]

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Traditional herbal use

Medicinal

Dianthus flowers have been used in traditional medicine for their mild diuretic and antiseptic properties, though modern scientific support is limited. Tea made from petals has historically been used to support circulatory health. [source]

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

Harvest Tips

For cut flowers, harvest in early morning when stems are full of moisture. Cut just as flowers open or are at peak color. Remove lower foliage before arranging. Change water every 2-3 days and recut stems for longevity (typically lasts 7-10 days in a vase). Deadhead spent blooms on garden plants regularly to encourage more flowers.

Fun Facts

🌱 Dianthus is derived from Greek 'dios' (divine) and 'anthos' (flower), literally meaning 'flower of the gods.' Pink Double exemplifies this elegant heritage with its divine appearance.
🌱 The clove-like fragrance of dianthus flowers comes from the compound eugenol, the same compound that gives cloves their characteristic scent. This aromatic quality has made dianthus a beloved cottage garden flower for centuries.
🌱 Pink Double and other double-flowered dianthus varieties are sterile or produce very few seeds due to their extra petals, so they must be propagated from cuttings or purchased as seeds or plants. This also means they won't self-seed in the garden, preventing unwanted volunteer seedlings.

Gardening Terms

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

Annual Deadhead Full Sun Germination Perennial pH Pinch Back Transplant True Leaves

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