Tall Mix - Centaurea Seeds

Every order is packed with care by our small team in Pennsylvania and typically ships within 2–3 business days—often by the next business day. We ship throughout the United States using USPS and UPS.

Unopened items may be returned within 30 days of delivery. If an order arrives damaged, incomplete, or incorrect, please contact us so we can make it right.

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We stand behind every packet we sell. Our seeds are carefully selected, tested for germination, untreated, and guaranteed to be true to variety.

Your seeds are covered for one year from the date of purchase. If they fail to germinate under reasonable growing conditions, arrive damaged, or do not grow true to type, contact us and we’ll make it right with a replacement, store credit, or refund.

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Plant seeds directly in the garden as soon as the soil can be worked, roughly a few weeks prior to average last frost date. Optimum soil temperature for seed germination is 60-70°f. When seedlings are 1" tall, thin to 1 plant every 6-12". Or, start seed indoors 3-5 weeks before transplanting into the garden. Transplant to the garden 1-2 weeks after your average last frost. Self-sows freely and can reappear in the garden the next year. It reaches heights of up to 3 feet and may need support. Its edible flowers are for fresh bouquets or drying.

Scientific name: centaurea cyanus
Days to maturity: 65-75
Seed depth: 1/4"
Days to sprout: 7-14
Plant spacing: 6-12"
Row spacing: 18-24"
Light requirements: sunny
Plant height: 24-36"
Life cycle: annual
Frost hardy: no