Pink cornflower, Centaurea cyanus, brings soft romantic pink tones to outdoor gardens. Delicate ruffled petals form full‑bodied flower heads perched atop slender upright grey‑green stems. This vintage‑style annual blends beautifully within informal garden layouts and wildflower combinations.
These flower seeds produce resilient plants that tolerate poor soil and cool spring weather. Bees and beneficial pollinators are strongly drawn to its blossoms. The long‑lasting cut blooms hold their colour well after harvesting, ideal for fresh home bouquets. Plant in large drifts for sweeping pink landscape displays. Well‑drained soil is key; avoid waterlogged ground. Deadhead spent blooms to extend flowering time. Under suitable conditions, cornflower will self‑sow generously for next year’s display. Planting Instructions Soil Preparation Choose open sunny planting spots. Ordinary loose well‑drained garden soil works well. Heavy clay soil should be mixed with sand to improve drainage. Avoid low‑lying water‑retentive locations. Neutral to slightly alkaline soil gives better performance.
Seed Pre‑treatment No soaking or cold stratification required. Seeds are easy to handle for direct sowing.
Sowing Method Sow in early spring after frost passes, or sow in autumn for early‑spring blooming in mild‑winter zones. Cover seeds with a thin layer of fine soil. Maintain 15‑20 cm spacing between seedlings for good air circulation.
Germination Condition Optimal germination temperature:15‑22°C. Seedlings emerge within 7‑14 days. Keep soil lightly moist during sprouting phase, prevent over‑watering.
Daily Maintenance Full sun delivers best flowering results. Water moderately, allow topsoil to dry between watering. Minimal fertilizer is needed; overly rich soil causes excessive leafy growth and fewer flowers. Remove faded flower heads. Watch for powdery mildew under humid poor‑ventilation conditions.
Specification Plant Name: Centaurea cyanus Botanical Name: Centaurea cyanus Plant Type: Upright cool‑season hardy annual flower Bloom Feature: Soft pink frilly double‑like flower heads on slender grey‑green stems Blooming & Fruiting Period: Late spring to mid‑summer Germination Temperature:15‑22°C Growing Temperature:10‑25°C, cool‑hardy Light Requirement: Full sun Soil: Well‑drained soil, tolerates low‑fertility ground Planting Difficulty: Easy
Core Features: Centaurea cyanus seeds, pink cornflower seeds, cottage‑style annual flower, pollinator‑friendly, suitable for wildflower mixes, cutting gardens and mass‑planting
FAQ Q1: Can cornflower be used as cut‑flowers? A1: Yes, stems are sturdy and blossoms keep well after cutting, great for fresh bouquets. Q2: Does cornflower grow well in poor soil? A2: It adapts to low‑fertility soil. Too much nutrition encourages foliage over blooms. Q3: Will cornflower self‑sow? A3: Yes. Once mature, it drops seeds naturally and returns year after year in suitable climates. Q4: Can cornflower survive partial shade? A4: It prefers full sun. Too much shade leads to lanky stems and reduced flower output. Q5: When is the best sowing time? A5: Sow in early spring after frost risk ends; autumn sowing is fit for mild‑winter regions.
