Macrotunnel · United States

Macrotunnel for Spinach Growing

A spinach macrotunnel is effective in temperate climates where the main goal is protecting the crop from heavy rainfall and hail that physically damage leaves. Natural ventilation through open ends helps keep temperature in check, reducing bolting risk on hot days. For cut spinach or baby leaf production, a macrotunnel provides adequate protection at a very competitive cost.

Technical Specs

Ideal Temperature

54 a 68 °F

Relative Humidity

55 a 75%

Crop Cycle

30 a 45 days

Yield vs Field

2 a 3×

Why a macrotunnel for Spinach
01

No physical leaf damage

Heavy rain and hail shred spinach leaves which are thin and fragile, a macrotunnel eliminates this risk that can ruin an entire harvest in minutes.

02

Natural ventilation delays bolting

Open ends allow airflow that cools the crop on hot days, delaying bolting without active ventilation systems or additional investment.

03

Production during rainy season

Enables cycle planning during rainy months that are normally outside the productive calendar for open-field spinach in tropical and subtropical regions.

Agronomist Tip

For baby leaf spinach in macrotunnels, program drip irrigation in short frequent intervals rather than long spaced waterings, consistent uniform moisture produces more tender, uniform leaves with higher market value.

REGASA · Macrotunnel

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