(100 days) Very similar to Brilliant but with a more flattened shape. Winner of the RHS Award of Garden Merit. ①
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Culture: Must be started indoors in early spring, 10–12 weeks before transplant. Minimum germination temperature 40°, optimal range 70–75°, needs fluctuating temperatures. After germination, ambient air temperatures can be reduced but remain above 55° until transplanting. For one week prior to transplanting, go light on watering. Transplant outdoors when daytime temperatures are above 55° and the nights do not dip below 40°. Virginian Pam Dawling suggests that falling apple blossoms are a good phenological sign that transplanting time for these crops has arrived. Young seedlings grow slowly, requiring rich moist soil to survive. Regular rainfall or irrigation is necessary for good growth, flavor and yields. Celery withstands light fall frosts but is killed by serious cold.
For the latest results of our germination tests, please see the germination page.