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USA Greenhouse for Spinach Growing
Greenhouse spinach enables continuous production through hot months when field-grown spinach would bolt within days. Temperature control is critical for this species: above 75°F plants activate irreversible bolting that makes them unmarketable. A greenhouse with proper ventilation and diffuse plastic allows spinach production in any season with consistent quality.
Technical Specs
Ideal Temperature
54 to 68 °F
Relative Humidity
55 to 75%
Crop Cycle
30 to 45 days
Yield vs Field
3 to 5×
Bolting prevention
Keeping temperatures below 75°F is the only way to grow quality spinach through summer months or in warm climate zones.
Clean leaves without soil splash
Overhead cover eliminates soil splash that stains spinach leaves, reducing washing labor and extending fresh product shelf life.
Fast 30-40 day cycles
Stable temperature and controlled irrigation accelerate the cycle, enabling 8-10 annual harvests with precise volume and delivery scheduling.
See the potential of our greenhouses
Agronomist Tip
Use plastic with at least 60% light diffusion in spinach greenhouses, intense direct light raises leaf surface temperature several degrees above air temperature, accelerating bolting even when ambient temperature is controlled.
Other crops in Greenhouse
See all Greenhouse crops →Ready to grow Spinach in a greenhouse?
Our team will help you design the right structure for your farm, no cost, no commitment.