Insights from the Greenhouse

Practical growing knowledge from Sigrow’s plant scientists and the growers we work with. From managing VPD and screen strategies to interpreting sensor data for root zone health — these articles cover the real challenges inside the greenhouse and how data helps solve them.

Our Blog
  • Sigrow Weekly Reports page showing day, night and 24-hour air temperature, relative humidity and daily light integral for one week
    • Software Updates
    Sigrow
    By Sigrow
    • June 18, 2026
    2 minutes

    App update 18 June 2026

    The new Weekly Reports page brings a full week of greenhouse climate data…
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  • Sigrow Stomata Camera and Pixel sensors with LED grow lights in a high-tech greenhouse, measuring crop temperature and VPD at canopy level
    • Grower Insights
    Sigrow
    By Sigrow
    • June 15, 2026
    5 minutes

    VPD in the Greenhouse: What It Is and How to Steer It

    VPD drives how hard your crop transpires, how stomata open, and how calcium…
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    • Events
    Sigrow
    By Sigrow
    • June 8, 2026
    1 minute

    Meet Sigrow at GreenTech Amsterdam 2026, Stand 01.200

    Sigrow is at GreenTech Amsterdam from 9 to 11 June, stand 01.200. Come…
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  • Grower in a high-tech tomato greenhouse with LED grow lights, where limiting ventilation helps manage heat stress and crop VPD
    • Grower Insights
    Mihnea Paraschiv
    By Mihnea Paraschiv
    • June 8, 2026
    3 minutes

    Can Limiting Ventilation Solve Heat Stress in Greenhouses?

    Opening the vents isn’t always the answer to greenhouse heat stress. Why limiting…
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    • Grower Insights
    Sigrow
    By Sigrow
    • May 6, 2026
    3 minutes

    Blossom End Rot in Tomatoes: It’s a Transpiration Problem

    A tomato grower called with a familiar problem: blossom end rot, no obvious…
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    • Grower Insights
    Sigrow
    By Sigrow
    • April 28, 2026
    3 minutes

    Does Your Crop Need More Light or More Temperature? Understanding RTR

    “Does my crop need more light or more temperature?” “It depends.” A very…
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    • Events
    Sigrow
    By Sigrow
    • April 22, 2026
    2 minutes

    Sigrow at Expo Puutarha 2026: Greenhouse Visits and Plant Empowerment in Finland

    Finns are masters of climate control. You only need to look at one…
    Read More
    • Software Updates
    Sigrow
    By Sigrow
    • April 21, 2026
    2 minutes

    Sigrow App Update v3.8.17

    Sigrow app version 3.8.17 is now available, with two new features, four improvements,…
    Read More
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120-Day Satisfaction Policy

Try Sigrow for 120 days, risk-free. If it does not get your operation under tighter control, send the system back for a full refund of the hardware and the software subscription paid to date — no restocking fee.

  • We can offer this because the system works. Install it, run it for 120 days, and decide for yourself — the risk sits with us, not you.
    Rutger Vreezen
    Plant Scientist & Customer Success Specialist
Sigrow plant scientist reviewing greenhouse sensor data with a grower
Sigrow dashboard showing real-time greenhouse climate and crop data

We do not promise a yield percentage — your crop, substrate, team and weather are yours. We promise the system we put in your greenhouse, and the way we work alongside you to make it earn its place. Not the right fit within 120 days? Send it back, no questions, no restocking fee.

Sigrow Stomata Camera for leaf and fruit temperature monitoring

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Sigrow greenhouse monitoring camera and sensor technology