42 days. Responder's strong germination, quick development and outstanding flavor really impressed us in trials. The strong, uniform, 6 inch tall and 14 inch wide plants, shrug off disease and hold nicely in the open field. Selectively thin your plants at the baby leaf stage when the leaves are rounded and supple. This will make room for the remaining plants to mature to full-size with thick, arrowhead-shaped, semi-savoyed, deep green leaves. DM 1-12, 14-16.
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|Soil Temp for Germ.||Days to Emergence||Seed Depth||Thin Plants To||Seed Spacing||Row Spacing||Min. Germ.||Seed Life||Seeds per gram||Fertilizer Needs|
|45-75°F||6-21||1/2"||3-6"||1"||12"||65%||1 year||≈ 80||Low|
Spinacia oleracea The Northwest's favorable conditions for spinach production allow us to focus our selection criteria on flavor, vigor, and bolt and disease resistance. The highest-protein vegetable, leafy spinach greens boast an unmatched, synergistic complement of vitamins, minerals, flavonoids and carotenoids that when combined, protect eyesight, help prevent the buildup of cholesterol, and target cancer-causing free radicals.
Days to maturity are calculated from date of direct seeding.
• Optimum soil pH range is 6.5-7.5
• Spinach grows best during cooler weather of early spring and fall
• Soil temperature above 80°F can cause erratic germination
• Bolting is caused by rising temperatures, day length and water stress; see specific varieties for bolt resistance
• Apply 1/2 cup of TSC's Complete fertilizer per 5 row feet, and 1 inch of compost
• For baby spinach sow 20-25 seeds per foot in a 2 inch wide furrow, in rows 6 inches apart, thin to 1 inch
• Sow July—August for a fall crop
• Sow late-August for an overwintering crop
Insects & Diseases
• Common insects: Spinach leaf miners
• Insect control: Spray eggs on underside of leaves with Neem oil or destroy any affected leaves and keep the surrounding area weeded
• Common diseases: See chart below
• Disease prevention: Plant in fertile soil and use a 3-4 year crop rotation
Harvest & Storage
• For baby greens, harvest at 3-4 inches
• Individual leaves may be harvested anytime
• Store at 36°F and 95% relative humidity
KEY TO SPINACH DISEASE RESISTANCE AND TOLERANCE
HR indicates high resistance.
IR indicates intermediate resistance.
BM | Blue Mold
CMV | Cucumber Mosaic Virus
DM* | Downy Mildew
WR | White Rust
* Numbers indicate specific disease race.