PlotPal

Cornflower

Cornflower is listed botanically as Centaurea cyanus. It may also be listed as Corn flower, Bachelor's button, Bluebottle, blaver. Cool-season annual wildflower known for vivid blue blooms, though cultivars also come in white, pink, and purple. Cornflowers are easy to direct sow and useful for pollinators and cutting gardens. PlotPal's canonical care record lists full sun and moderate water needs. The current taxonomy reference places it in the genus Centaurea and in the family Asteraceae. Its source-backed growth habit is listed as forb/herb. PlotPal currently carries Cornflower as an outdoor growing and flower reference. Growing note: Direct sow in cool weather and thin seedlings so plants are not crowded. Deadhead for a longer flowering period, or leave some seed heads if you want natural reseeding. Propagation or sowing note: Direct sow outdoors in early spring or fall in mild climates. Plant-health prevention note: Provide airflow, avoid dense planting, and water near the soil rather than over leaves. Pest-prevention note: Inspect new growth for aphids and use a firm water spray or other low-impact control if populations build. Common pests in the reference include Aphids. Common plant-health issues in the reference include Powdery mildew, Rust. Use this guide as practical growing context, then adjust decisions to the actual weather, soil, container or bed, variety, and conditions in your garden.