Apium Graveolens. USDA organic. Cool season. 100-120 days. Sow in early spring or midsummer. Heirloom: Home-grown celery is crisp, juicy, and flavorful fresh from the garden. Leafy tops are delicious in soups and stews! Imagine slicing that first, big, beautiful bunch of celery from the earth in your garden. You can harvest individual stalks when just 6 inches tall or wait for the bunch to mature. Celery grows best in climates with long, mild-temperature seasons, but can be grown in most places with proper technique (see inside packet). This packet sows up to 93 feet. We are dedicated to inspiring & educating the gardener in you. That's why we've put even more helpful information inside. No GMOs. All our seeds are untreated. www.botanicalinterests.com. Certified organic by the Colorado Dept. of Agriculture.