Approximately 100 seeds per gram. Spinacia oleracea Lot# SP34000 Bloomsdale Dark Green Spinach is an old standard home garden variety dating back to the early 19th century. A heavy yielder of thick, succulent, glossy, dark-green, savoyed or crumpled leaves which are very sweet in salads or cooked. Plants are prostrate in growth and reach 61 cm (24”) tall with a spread of 61 cm (24”) wide. Slow to bolt into seed.
Spinach does best in cooler weather. Direct sow March 1 to April 15 or as soon as you can work the soil. Sow seeds 2 cm (1″) deep, 10 seeds per 30 cm (12″) in rows 30-45 cm (12-18″) apart. Thin to at least 5-8 cm (2-3″) between plants, or further if you want larger leaves. Thin to one plant every 8-15 cm (3-6”) apart.
Soil Conditions: Well worked rich, loose well-drained soil. Ideal pH: 6.5-7.5.
Planting Depth: Sow Spinach seeds 1.25 cm (½") deep and 2.5 cm (1”) apart.
Germination: 6-21 days.
Height at Maturity:61 cm (24") tall. Spread: 61 cm (24”) across.
Days to Maturity: 55-70 days.
Watering: 2.5 cm (1") of water a week ensures good growth, whether plants are grown in single or wide rows. The amount of rain that falls during the week affects how much you should water your garden. Keep spinach evenly moist; water regularly for rapid, full growth. Do not let the soil dry out.
Sun/Shade: Full Sun
Spacing after Thinning: Thin to one plant every 8-15 cm (3-6”) apart. Rows should be 30-40 cm (12-16”) apart.
Additional Information For baby spinach, sow about 35-40 seeds per 30 cm (1') in a 5 cm (2") wide furrow. Thin to 2.5 cm (1”) apart. If you are planning to harvest for baby greens, harvest the leaves when they are about 7-10 cm (3-4”) long. Individual leaves may be harvested any time, or harvest the entire plant when it reaches maturity, just prior to bolting. Cut entire plant off at ground level. Rinse in cold water and store at 1°C (33°F) and 95% relative humidity.