Spinach seeds germinate erratically, preferring consistent moisture and 65°F soil. Covering the seeded row with a board shades the soil, reducing temperature fluctuations and moisture loss.
Lift the board daily to lightly water the row, maintaining cool, moist conditions. Replace the board immediately. Under favorable conditions, germination occurs in 5–7 days. Remove the board entirely once seedlings emerge.
This simple technique dramatically improves spinach stand establishment in fall plantings.
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