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Your November 2025 Greenhouse Checklis

Close-up of a gardener's hands inspecting a greenhouse panel for cracks, hazing, or leaks

November 2025

Your November Greenhouse Checklist

7 Steps to Secure Winter Harvests & Get a Head Start on Spring

Don't Let Winter Catch You Unprepared

November is the critical transition month for greenhouse growers. While winter crops need protection from dropping temperatures, it's also time to plan for spring success.

This comprehensive checklist will guide you through essential tasks to maximize your winter productivity while setting the stage for a bountiful spring season.

Your 7-Step November Checklist

A person washing the transparent panels of a greenhouse to maximize winter light transmission.

1 HIGH PRIORITY

Winterize Your Greenhouse Structure

Prepare your greenhouse to withstand winter conditions while maintaining optimal growing temperatures.

Key Tasks:

  • Inspect and repair any glazing damage or leaks
  • Install bubble insulation or thermal screens
  • Weatherstrip doors and vents
  • Clean glazing to maximize light transmission
  • Check and service heating systems

Recommended Supplies:

2 HIGH PRIORITY

Optimize Winter Lighting

With shorter days, supplemental lighting becomes essential for maintaining plant growth and health.

Key Tasks:

  • Clean existing grow lights and replace old bulbs
  • Adjust lighting timers for shorter day length
  • Position lights for optimal coverage of winter crops
  • Consider adding LED bars for energy efficiency
  • Install light meters to monitor intensity

Recommended Supplies:

 
3 HIGH PRIORITY

Protect Current Winter Crops

Ensure your cold-season vegetables and herbs continue thriving through temperature drops.

Key Tasks:

  • Apply mulch around perennial crops
  • Install row covers for added frost protection
  • Monitor soil temperature and moisture levels
  • Apply organic fungicides to prevent mold in high humidity
  • Harvest mature crops before hard freezes

Recommended Supplies:

  • Frost protection fabric
  • Organic fungicides and pest controls
  • Soil thermometers and moisture meters
 
4 MEDIUM PRIORITY

Start Spring Seedlings Indoors

November is ideal for starting slow-growing spring crops that need a head start.

Key Tasks:

  • Start onions, leeks, and perennial flowers from seed
  • Begin cold-stratifying certain perennial seeds
  • Set up an indoor germination station with heat mats
  • Inventory and organize spring seeds
  • Test germination rates of old seed packets

Recommended Supplies:

5 MEDIUM PRIORITY

Prepare Soil for Spring Planting

Fall soil preparation saves time and ensures optimal conditions for spring planting.

Key Tasks:

  • Test soil pH and nutrient levels
  • Add compost and organic amendments
  • Incorporate cover crops in empty beds
  • Turn the soil to expose pests to cold temperatures
  • Plan crop rotation for spring vegetables

Recommended Supplies:

  • Organic soil amendments and compost
  • Soil testing kits and pH meters
  • Cover crop seeds (winter rye, clover)
6 LOW PRIORITY

Maintain Equipment & Tools

Proper maintenance now prevents breakdowns during the critical spring planting season.

Key Tasks:

  • Clean, sharpen, and oil all gardening tools
  • Drain and winterize irrigation systems
  • Service greenhouse ventilation systems
  • Organize and inventory pots, trays, and supplies
  • Check and replace worn greenhouse components

Recommended Supplies:

 
7 LOW PRIORITY

Plan Next Year's Garden

Use the quieter winter months to strategize for a more productive year ahead.

Key Tasks:

  • Review this year's successes and challenges
  • Order seed catalogs and research new varieties
  • Sketch garden layouts for crop rotation
  • Plan succession planting schedules
  • Set production goals and budget for next season

Recommended Supplies:

November Growing Tips

Winter Crop Selection

Focus on cold-hardy greens like spinach, kale, and mâche that thrive in cooler temperatures and lower light conditions.

Light Management

Position reflective materials on north-facing walls to maximize the limited winter sunlight for your plants.

 

Temperature Control

Use thermal mass like water barrels to absorb heat during the day and release it at night, stabilizing temperatures.

Ready for Your Most Productive Winter Yet?

Don't let the changing seasons disrupt your growing schedule. With proper preparation, your greenhouse can be productive year-round.

Explore our winter growing supplies and get expert advice to maximize your greenhouse potential.

Shop Supplies for Greenhouses, 

© 2025 Greenhouse Specialists | Your November Greenhouse Checklist

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