Tips Greenhouse Growers Can Use for Handling the Mid-April Cold Snap

Much of the Midwest and Northeast are going through an April cold snap. April temperatures were growing more comfortable as daylight hours extended. Then, almost overnight, winter returned with snowfall and freezing temperatures. Don’t let unexpected cold snaps take you by surprise when there are plenty of ways to protect your plants from drastic changes in spring weather.

Prepping Controlled-Environment Greenhouses for the Cold

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While many greenhouses have a controlled environment year-round, it is still important to take precautionary measures to ensure the plants inside remain cozy from the frost. It is still possible for plants to be exposed to the frigid air outdoors should there be a power failure or damage from wind and snow loads.

A few big things to do before any cold weather comes your way are:

  • Check exterior structures for any signs of damage, especially to any wiring or pipes.
  • Make sure the windows are sealed and the heating system is fully functional.
  • Ensure your backup generators and temperature alarms are in working order should there be an unexpected power outage.

Prepping for the Cold as a Retailer or Landscaper

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Retailers and landscapers may find cold snaps like these more of a challenge.

“Take steps to protect tender plants from the cold. Blankets, plastic, or other coverings can be used to help protect fruit trees and other crops,” says the National Weather Service.

Keeping your crops away from any frost is the number one goal to make it through any cold weather.

According to Kimberly Santolla, Owner of Kimberly’s Greenhouse, who did an interview with WVVA, there are a few ways you can keep your plants covered:

  • For smaller potted plants, try using another pot to cover up the plant.
  • Investing in frost cloths can make it so you do not have to use plastic, which isn’t perfect for protecting plants from frost.
  • With larger plots, you may still need to use plastic to cover them from frost. Make sure the plastic is not touching the plants.

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