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How to Grow Highland Pink

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Highland Pink

Dianthus × allwoodii 'Highland Pink'

flower

Highland Pink is a compact, evergreen perennial in the Dianthus family, prized for its vibrant pink flowers and silvery-green foliage. It produces fragrant, ruffled blooms throughout spring and early summer, making it ideal for borders, rock gardens, and containers. This hardy variety is long-lived and requires minimal maintenance once established.

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

  1. Plant Highland Pink

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Highland Pink blooms

    Around May 27

    ≈ 40 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily
💧
Water: Low to moderate water needs once established. Water when soil surface is dry; avoid overwatering. In wet climates, improve drainage to prevent root rot.
📏
Spacing: 10-12 inches
📅
Days to maturity: 40-60 days from transplant to first flowers
🌱
Planting depth: Surface sow or barely cover seeds; transplants should be planted at soil level

Soil

Type: Well-draining sandy or gravelly loam
pH: 6.0-7.5
Amendments:
Coarse sand or grit for drainage Compost (light application) Gravel or perlite to prevent waterlogging

Growing Zones

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Thrives in zones 3-9, with best performance in cooler regions (zones 3-7)

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

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Growth Stages

1

Seedling

3-4 weeks

Small rosette with fine, needle-like gray-green leaves. Roots establish slowly.

Keep soil lightly moist but not wet. Provide bright light. Thin seedlings to proper spacing early.

2

Vegetative Growth

6-8 weeks

Compact mound of silvery-gray foliage expands; plant becomes bushy and dense.

Allow soil to dry between waterings. Avoid high nitrogen fertilizers which encourage foliage over flowers. Light deadheading encourages bushiness.

3

Bud Formation

2-3 weeks

Dense flower buds form at stem tips; plant becomes fuller and more compact.

Reduce watering slightly to encourage flowering. Ensure good air circulation to prevent fungal issues.

4

Flowering

4-8 weeks

Abundant ruffled pink flowers with fragrance open over several weeks. Blooms are typically semi-double or double.

Deadhead spent flowers regularly to extend bloom season. Reduce watering; allow soil to dry between waterings. Avoid overhead watering.

5

Dormancy/Rest

Variable, 2-4 months

After summer heat, plant may slow flowering. Foliage remains evergreen and attractive.

Minimal watering. Cut back leggy growth in fall or early spring. Mulch lightly in cold climates for winter protection.

Companion Planting

Plan your garden →

Plant with:

Lavender Catmint Salvia Coreopsis Artemisia Sedums Russian Sage Alyssum

Avoid planting near:

Moisture-loving plants (hostas, astilbes) Tall shade-casting plants Heavy feeders competing for nutrients

Common Pests

  • Increase humidity; spray with water or insecticidal soap. Remove heavily infested foliage.

  • and

    Handpick, use copper tape barriers, or apply slug bait. Improve drainage to reduce moisture.

  • Ensure excellent air circulation. Remove affected foliage. Avoid overhead watering. Apply fungicide if severe.

  • Prevent by ensuring perfect drainage and avoiding overwatering. Remove and destroy infected plants. Sterilize tools.

  • Spray with strong water spray or insecticidal soap. Remove heavily infested shoots.

Uses

🍳

Edible Flowers & Garnish

Culinary

Highland Pink petals are edible with a spicy-sweet clove-like flavor. Use fresh petals to garnish desserts, salads, and cocktails for visual appeal and subtle flavor enhancement. [source]

🎨

Cut Flowers & Arrangements

Craft

Excellent long-lasting cut flower for fresh and dried arrangements. The ruffled blooms and fragrance make them popular for wedding bouquets, borders, and decorative displays. [source]

🏠

Fragrance & Perfumery

Household

Highland Pink produces a strong, spicy-sweet fragrance reminiscent of cloves and cinnamon. Dried flowers are used in potpourri and fragrance crafts. [source]

💊

Traditional Herbal Uses

Medicinal

Dianthus has been used in traditional medicine for its mild diuretic and digestive properties. A light tea can be made from petals for these benefits. [source]

🦋

Pollinator Support

Wildlife

The fragrant flowers attract bees, butterflies, and other pollinators, making Highland Pink valuable for supporting beneficial insects in 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 for bouquets in the morning when blooms are fully open. Use clean scissors and cut above a leaf node to encourage branching. For longer vase life, remove lower leaves and change water every 2-3 days. Deadhead spent flowers throughout the season to promote continuous blooming.

Fun Facts

  • 🌱 Highland Pink belongs to the Allwoodii group of Dianthus hybrids, created in the early 20th century by crossing Dianthus alpinus with Dianthus caryophyllus (carnation). These hybrids combined the hardiness of alpine species with the flower quality of carnations.
  • 🌱 The name 'Dianthus' comes from Greek words 'dios' (divine) and 'anthos' (flower), earning it the nickname 'Divine Flower' or 'Flower of God'—a reference to its centuries of cultivation and cultural significance.
  • 🌱 Highland Pink flowers emit a strong spicy fragrance that intensifies in warm sunlight and during morning hours, making early morning the best time to enjoy the scent.

Gardening Terms

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

Deadhead Full Sun Mulch Perennial
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