CORNFLOWER Blue Ball Seeds

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CORNFLOWER ‘BLUE BALL’Average 250 seeds Easy-to-grow hardy annual producing masses of rich blue, double flowers on tall stems. Ideal for cottage gardens, borders, and cut flowers. Sow outdoors: Mar–May or Aug–OctFlowers: Jun–Sep Sow outdoors: Sow thinly 0.5 cm deep into well-prepared, watered soil. Thin seedlings to 20 cm apart. Succession sow every 2–3 weeks for continuous blooms. Remove faded flowers to extend the flowering period. Show more