Cultural data: field planting Growing season: cool season Days to maturity: approx. 90-105 days from transplant for spring plantings. Germination relative to soil temperature: 65 degrees F. Cultural information: sow seeds thinly 8 per inch after all danger of frost is past. Cold nights can cause celery to bolt. Seed count: approx. 87,000 seeds/oz. or 1,392,000 seeds/lb. Projected seed usage: 1/4 oz per 100 ft. 1 pound per acre Diseases and pests: Leaf blights, celery mosaic, rotate crops, provide adequate irrigation. Harvesting: harvest full heads.