As winter starts to pack its bags and spring gets ready to make its grand entrance, it's time to turn our attention to the greenhouse. Whether you're a seasoned grower or just getting started, prepping your greenhouse for spring is the key to a thriving growing season. Let’s break it down step-by-step so you’re ready to hit the ground running.
1. Clean, Clean, Clean
Winter leaves its mark on everything, and your greenhouse is no exception. Dirt, algae, and mold can build up on the walls, floors, and any leftover pots or tools. Cleaning not only makes your greenhouse sparkle but also removes harmful pests and diseases that could harm your plants.
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Start by removing any debris like old plant matter, dead leaves, or weeds.
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Wash down the walls and windows with warm, soapy water to let in maximum sunlight.
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Disinfect pots, trays, and tools to prevent disease from spreading to your spring seedlings.
2. Inspect for Repairs
Take a slow walk around your greenhouse and inspect it from top to bottom. Look for any damage that might have happened over winter.
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Check for cracks or holes in the glazing (those will lose you precious warmth!).
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Tighten or replace any loose screws, bolts, or hinges.
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Test door and window seals to ensure proper insulation.
3. Service Your Ventilation System
A properly functioning ventilation system is the backbone of a healthy greenhouse. You’ll need it to regulate temperature and humidity once things heat up.
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Clean out vents, fans, and filters to remove dust and debris.
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Test all fans to make sure they’re working properly.
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If you’re using automatic vent openers, ensure they’re calibrated and ready to go.
4. Prepare Your Growing Spaces
Spring is all about new beginnings, and that includes your planting setup. Get your growing spaces ready to welcome fresh seedlings and transplants.
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Top up or replace potting soil if it’s compacted or depleted.
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Organize your seed trays, pots, and containers for easy access.
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Set up or repair benches, shelves, or raised beds for planting.
5. Check Your Watering System
Your plants are going to need consistent watering, so now is the time to make sure your system is in tip-top shape.
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Flush out irrigation lines to clear any blockages.
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Check hoses and fittings for leaks.
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Test timers and controllers to make sure they’re functioning as expected.
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6. Test Your Heat Source
If you plan to have seedlings in your greenhouse during early spring, when freezing temperatures are still a concern, it’s crucial to test your heat source.
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Use a thermometer to monitor the temperature inside your greenhouse, especially at night.
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Ensure your heater is functioning properly and can maintain a consistent temperature.
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Make adjustments as needed to prevent cold damage to your seedlings.
7. Restock Supplies
Spring is a busy season, and there’s nothing worse than running out of supplies when you’re in the middle of a project.
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Inventory your seeds and order any new varieties you’ve been eyeing.
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Stock up on fertilizer, pest control products, and any other essentials.
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Make sure you have enough labels and markers to keep your plants organized.
8. Plan Your Planting Schedule
Before you plant anything, take a moment to plan out what’s going where and when. This helps maximize your greenhouse space and ensures your plants thrive.
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Map out your planting space, including which plants need full sun or shade.
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Stagger plantings to keep the harvest coming all season long and free up space int he greenhouse.
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Consider companion planting to make the most of your space and reduce pests naturally.
Now that you’ve got a game plan, you’re ready to roll into spring with a clean, organized, and fully functional greenhouse.
