Nature's Helpers Cornflower Wild Cornflower Seeds produce striking blue blooms that attract butterflies and bees, a highlight of the Nature's Helpers pollinator-friendly range. These hardy annuals flourish from June to August when sown outdoors 0.5cm deep in well-prepared soil. Thin seedlings to 20cm apart and water until established for a long-lasting, natural display. With Fothergill's trusted British heritage and 100% germination guarantee, growing Cornflowers is simple and rewarding, helping gardeners make memories while supporting vital pollinators.