Dianthus 'Mountain Frost' #1 Care Guide

Introduction

Dianthus 'Mountain Frost' (Dianthus 'Mountain Frost') is a compact, cold-hardy Dianthus producing fragrant flowers in shades of pink, red, and white with attractive silver-blue foliage. It is an easy cool-season plant that performs exceptionally well in Florida's fall and winter seasons. Available in a #1 container.

Growing conditions

• Light: Full sun, 6 or more hours daily.
• Water: Moderate; keep soil consistently moist but not waterlogged.
• Soil: Well-draining, slightly alkaline soil with good organic matter.
• Fertilizer: Balanced slow-release fertilizer at planting; liquid fertilizer monthly during the growing season.
• Season: Cool-season perennial; performs best in Florida's fall through spring.

Planting tips

Plant in fall in Florida for best performance. Excellent for borders, containers, and rock gardens. Deadhead spent flowers to encourage continuous blooming. The attractive silver-blue foliage provides year-round interest even when not in bloom. Deer-resistant.

Troubleshooting

Root rot

Overwatering or poor drainage. Reduce watering and ensure soil drains freely.

Fusarium wilt

Yellowing and wilting despite adequate water. Remove affected plants and avoid replanting Dianthus in the same spot.

Aphids

Check new growth for colonies. Treat with insecticidal soap or a strong water spray.

Pet safety

Dianthus is mildly toxic to pets if ingested. It can cause mild gastrointestinal upset and skin irritation. Keep away from pets that tend to chew on plants.

Quick care summary

Difficulty: Easy. Light: Full sun, 6 or more hours daily. Watering: Moderate, keep consistently moist. Humidity: Low to moderate. Pet safety: Mildly toxic.