How to Plant, Grow and Care for Dianthus Flowers – Full Guide

Dianthus, also known as Pinks, Carnations, or Sweet William, is perfect for adding color and fragrance to your garden. Follow these tips to grow them successfully in pots or beds!

Notable Dianthus Varieties

Carnation

Carnations, with their spicy fragrance, are popular in floral arrangements. They come in pink, red, white, and salmon, thrive in humidity, and grow up to 36 inches tall.

Sweet William

This biennial blooms in its second year with bright colors and sweet fragrance. Sweet William thrives in borders and as ground cover, available in red, pink, and white

Chinese Pinks

China Pinks, compact for borders or pots, dislike heat/humidity. Red, white, or pink double flowers, native to China and parts of Asia.

Cheddar Pinks

Cheddar pinks: frilly petals, clove scent, grow up to 12 inches. Ideal for rock gardens/borders, need sunny spots, sensitive to light frost/wet soil.

Dianthus Care: Fundamentals

Sunlight and Shade Requirements

Dianthus thrive in sun, need 6 hrs/day. Handle partial shade but bloom less. Best: morning sun, some afternoon shade. Water regularly in early summer

Potting Mix and Soil Types

Optimize Dianthus growth: well-drained soil, pH 6.0-7.0, avoid clay, use flower pot mix, compost in spring, liquid fertilizer for biennials.

Ideal Fertilizer Types

For thriving Dianthus, opt for balanced slow-release fertilizer (NPK 10-10-10 or 20-20-20) in spring. Avoid high nitrogen for more blooms.

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