How to Care for Sweet William: The "Pinks" Growing Guide

Overview

Sweet William, a Dianthus species, is historically called "pinks"—not for color but for the serrated petal edges resembling pinking shears. Easy to grow with sweet, spicy fragrance and masses of fringed blooms.

Care Steps

Step 1: Plant in Ideal Conditions

Full sun to light shade, well-drained soil. Avoid soggy soil—don't overwater. Thrives as border, rock garden, bedding, or container plant with adequate moisture and sun.

Step 2: Start Seeds Indoors

Sow 7 weeks before last frost. Germination in 6–10 days. Transplant seedlings 8 inches apart. Blooms ~12 weeks after sowing. Nursery starts also 8 inches apart. Avoid leggy, spindly, or yellow-leaved plants (root issues).

Step 3: Prune for Rebloom

Cut stalks after first bloom cycle to encourage longer, more prolific blooming. Remove spent blooms throughout season.

Step 4: Adjust Soil pH

Add lime or wood ash if pH is low. Sweet William prefers slightly alkaline soil. Test if unsure.

Step 5: Winter Mulch Lightly

Avoid heavy organic mulch over winter—trapped moisture harms plants. Light sand or pea gravel mulch suffices. Most are biennial (two bloom years then decline), but often self-seed and return yearly. Three seasons yield best blooms and health.