Dianthus Mountain Frost™ Ruby Glitter (Pink)

Fragrant Ruby-Red and White Flowers for Sunny Borders, Containers, and Rock Gardens

Dianthus Mountain Frost™ Ruby Glitter, commonly sold as Dianthus Mountain Frost Ruby Glitter, Ruby Glitter dianthus, cheddar pinks, or garden pinks, is a compact, mounding perennial with fragrant ruby-red flowers splashed with cream-white markings and tidy silver-gray foliage. It brings the charm of old-fashioned pinks to modern gardens, with a neater habit, strong rebloom, and excellent performance in sunny, well-drained sites.

This small plant has serious border power. Use it along paths, in rock gardens, patio pots, cottage gardens, low-water plantings, and sunny edging, where its sparkling flowers can be seen up close and its spicy clove fragrance can be enjoyed. Once established, Ruby Glitter is low maintenance, drought tolerant, generally deer resistant, and capable of flowering from early spring into fall with light trimming.

Quick Facts – Dianthus Mountain Frost™ Ruby Glitter

Compact, fragrant herbaceous perennial dianthus with ruby-red flowers marked by cream-white blotches and neat silver-gray foliage.
Use: Excellent for sunny borders, edging, rock gardens, cottage gardens, pollinator gardens, containers, small spaces, low-water plantings, and front-of-border color.
Highlight: A reblooming, deer-resistant, drought-tolerant garden pink with vivid red-and-white contrast.
Note: Best in full sun and sharply drained soil. Avoid heavy, wet winter soil.

Botanical Name	Dianthus hybrida Mountain Frost™ Ruby Glitter; cultivar name ‘KonD1400K6’; PP33,461
Family	Caryophyllaceae
Common Names	Ruby Glitter dianthus, Mountain Frost Ruby Glitter, pinks, cheddar pinks, China pinks, garden pinks
Plant Type and Habit	Herbaceous perennial; compact, mounded, evergreen to semi-evergreen in mild climates
Hardiness	USDA Zones 4b to 9a
Size	About 6 to 8 inches tall and 10 to 12 inches wide; space 12 to 14 inches apart
Sun and Exposure	Full sun; light afternoon shade may help in very hot climates
Soil	Well-drained, neutral to slightly alkaline soil; loam, sandy loam, gravelly soil, and raised beds are ideal
Bloom Time	Early spring through fall, with repeat bloom after trimming
Flower Color	Ruby red with cream-white blotches; fragrant
Foliage Color	Silver-gray to blue-gray
Wildlife Value	Attracts butterflies and other pollinators
Deer Resistance	Generally deer resistant, though no plant is completely deer-proof

Care – Quick

• Planting: Plant in spring or early fall with the crown at soil level.
• Light: Give full sun for best flowering and tight growth.
• Water: Water regularly during establishment, then keep on the dry-to-moderate side.
• Feeding: Feed lightly in spring; avoid lush, floppy growth.
• Pruning: Shear lightly after bloom flushes to encourage rebloom.
• Propagation: Propagate only as allowed by patent and licensing rules.
• Best use: Plant near paths, patios, and border edges where the fragrance can be enjoyed.

Works Best If

Plant Ruby Glitter in full sun, sharply drained soil, and an airy position. Light shearing after the main bloom flush keeps the mound neat and encourages repeat flowers.

Watch For

Avoid soggy soil, buried crowns, and crowded, humid sites. Wet feet can lead to crown rot, while poor airflow may invite powdery mildew, rust, or tired foliage.

What Is Dianthus Mountain Frost™ Ruby Glitter?

Description

Dianthus Mountain Frost™ Ruby Glitter is a compact hybrid dianthus selected for bicolor flowers, rebloom, and tidy growth. The fringed flowers are rich ruby red with irregular cream-white blotches, giving each bloom a lively, hand-painted look. Their spicy clove scent makes this cultivar especially appealing near seating areas, walkways, and containers.

The foliage forms a low mound of narrow silver-gray leaves that remains attractive between bloom cycles. This cool color echoes stone, gravel, lavender, blue fescue, lamb’s ear, and other sun-loving companions, making Ruby Glitter easy to weave into designed borders.

Growth Habit and Size

Ruby Glitter typically grows about 6 to 8 inches tall and 10 to 12 inches wide. Its compact habit makes it ideal for edging, containers, rock gardens, troughs, and the front of mixed borders. Space plants 12 to 14 inches apart so they fill in cleanly without becoming crowded.

Flowers and Bloom Season

Blooms begin early and can continue from spring into fall when plants receive strong light, good drainage, and occasional trimming. Deadheading or light shearing after the main flush helps refresh the mound and stimulate new buds.

Foliage and Garden Texture

The narrow silver-gray foliage forms a tidy cushion beneath the flowers. Because the plant stays low, place it where its texture and fragrance can be appreciated: along paths, beside stepping stones, at the edge of raised beds, or in sunny pots close to outdoor seating.

Hardiness and Climate

Mountain Frost™ Ruby Glitter is hardy in USDA Zones 4b to 9a. It handles cold well when the soil drains freely and performs best with sun, airflow, and moderate moisture. Although this cultivar is noted for better tolerance of rainy conditions than many dianthus, it should not sit in waterlogged soil. Raised beds, slopes, gravel gardens, sandy loam, and improved clay are safer than low, wet planting pockets.

Uses in the Landscape

• Sunny edging: Plant along paths, patios, and driveways for fragrant, low color.
• Rock gardens: Use between stones, gravel, and boulders where drainage is sharp.
• Containers: Grow in patio pots, troughs, and mixed sunny planters.
• Cottage gardens: Combine with lavender, catmint, salvia, roses, and small grasses.
• Pollinator borders: Add near other butterfly-friendly perennials for seasonal nectar.
• Low-water plantings: Use in sunny beds with light to moderate water once established.
• Mass planting: Repeat in groups for a sparkling red-and-white ribbon effect.

Wildlife and Pollinator Value

Ruby Glitter attracts bees and butterflies, adding nectar value to sunny pollinator gardens. For a longer season of wildlife support, pair it with catmint, salvia, lavender, sedum, and sea thrift.

Deer and Browsing Animals

Dianthus is generally considered deer-resistant because of its aromatic foliage and spicy-scented flowers. Still, protect young plants where browsing pressure is high.

Drought Tolerance

Once established, Ruby Glitter is drought tolerant and prefers light to moderate watering. During the first growing season, water regularly to help roots settle in. After that, let the top layer of soil dry between waterings, especially in containers.

Toxicity

Dianthus may cause mild stomach upset if eaten and can irritate sensitive skin in some people or pets. Grow it as an ornamental plant, discourage chewing, and contact a veterinarian or medical professional if ingestion causes concern.

Invasiveness

Ruby Glitter is a compact, clump-forming ornamental dianthus and is not generally considered invasive. It may spread slowly as the clump matures, but it does not run aggressively. Trim spent flowers for a cleaner look and stronger rebloom.

Growing Conditions For Dianthus Mountain Frost™ Ruby Glitter

Light

Full sun is best for abundant flowers and compact growth. Aim for at least six hours of direct sun daily. In very hot climates, morning sun with light afternoon shade can reduce heat stress while still supporting good bloom.

Soil

Well-drained soil is essential. Ruby Glitter prefers neutral to slightly alkaline conditions and performs well in loam, sandy loam, gravelly soil, rock garden soil, and raised beds. In heavy clay, improve drainage before planting or grow it in a raised position.

Water

Water thoroughly after planting and keep the soil lightly moist during establishment. Mature plants prefer low to moderate water. In containers, water when the top inch of potting mix feels dry, then let excess water drain away.

Feeding

Feed lightly in spring with compost or a balanced, slow-release fertilizer. Avoid high-nitrogen feeding, which can produce soft, leafy growth and fewer flowers.

Planting, Maintenance, And Propagation

Planting Tips

Plant Ruby Glitter in spring or early fall. Set the crown level with the surrounding soil and avoid burying the base. Space plants 12 to 14 inches apart. Water deeply after planting, then mulch lightly with gravel or fine bark while keeping mulch away from the crown.

Maintenance and Pruning

Remove spent flowers to keep plants tidy and encourage repeat bloom. After a heavy flush, shear lightly by about one-third, avoiding old woody growth. Remove winter-damaged foliage in early spring.

Propagation

Because Mountain Frost™ Ruby Glitter is patented, propagation may be restricted. Home gardeners should purchase plants from licensed growers and avoid unauthorized vegetative propagation. General dianthus may be divided or grown from cuttings, but patented cultivars must follow current licensing rules.

Problems And Pests

Ruby Glitter is low-maintenance when grown in the right site. Most problems are linked to poor drainage, excess moisture, overcrowding, or insufficient light.

• Slugs and snails: These may chew young growth in damp gardens. Improve airflow and reduce wet hiding places.
• Crown rot: Wet, heavy soil can rot the base of dianthus plants. Plant high, improve drainage, and keep the crown exposed.
• Powdery mildew: A white coating may appear during humid weather or poor airflow. Space plants properly and avoid late-day overhead watering.
• Rust: Orange, yellow, or brown pustules may develop in damp, crowded plantings. Remove infected foliage and water at soil level.
• Root stress in containers: Pots without drainage holes can damage roots quickly. Use a free-draining mix and empty saucers after watering.
• Weak flowering: Too much shade, excess fertilizer, or lack of deadheading can reduce bloom. Move plants to brighter conditions and trim after flushes.
• Foliage decline in humidity: Dense, humid plantings can lead to tired foliage and disease pressure. Space plants well and thin nearby growth if needed.

Design Ideas and Companion Plants With Dianthus Mountain Frost™ Ruby Glitter

Design Ruby Glitter like a fragrant edging jewel. Its ruby-red and cream-white flowers pop against silver foliage, so the best companions either echo that cool texture or add blue, purple, pink, or soft gold contrast. Choose plants that also like full sun, sharp drainage, moderate to low water, and good airflow.

• Echo the fragrance: Pair with Dianthus gratianopolitanus ‘Firewitch’ for a low, scented carpet of magenta-pink and ruby-red blooms.
• Add vertical drama: Let Salvia nemorosa ‘Caradonna’ rise behind Ruby Glitter with violet-blue spikes and dark stems.
• Soften the color: Use Nepeta racemosa ‘Walker’s Low’ to create a lavender-blue cloud around the compact mounds.
• Repeat the silver: Add Stachys byzantina for velvety foliage that echoes Ruby Glitter’s cool gray leaves.
• Build a fragrant border: Combine with Lavandula angustifolia ‘Hidcote’ for purple flowers, aromatic foliage, and classic cottage-garden appeal.
• Keep it compact: Tuck in Armeria maritima ‘Splendens’ for grassy foliage and bright pink globes in rock gardens, troughs, and sunny edges.
• Extend the season: Add Sedum ‘Herbstfreude’ (‘Autumn Joy’) for sturdy late-summer structure after the strongest dianthus flush.
• Frame with blue texture: Use Festuca glauca as a blue-gray grass accent that reinforces the cool foliage theme.

Frequently Asked Questions

References

Ball Seed – Dianthus Mountain Frost™ Ruby Glitter: https://www.ballseed.com/PlantInfo/?phid=022508168045075

Darwin Perennials – Culture Guide – Dianthus Mountain Frost™ Ruby Glitter: https://www.darwinperennials.com/utility/culturesheetpdf.aspx?txtphid=022508168045075

Updated: June 2026 • Reviewed by Gardenia Editors