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Essential Tips for Gardening in December

Writer's picture: Kerri CuthbertKerri Cuthbert

Gardening Jobs for December

1. Inspect Bulbs

Stored bulbs can deteriorate over winter if not checked regularly. Signs to look out for include mould, rot, or decay, which may appear as a soft texture or a musty smell. Remove any damaged or diseased bulbs immediately to prevent issues from spreading. Healthy bulbs are essential for thriving plants when planting season begins.


How to Inspect Your Bulbs:

  • Examine Thoroughly: Look for discolouration, soft spots, or visible mould.

  • Separate the Damaged: Remove affected bulbs to prevent issues from spreading.

  • Store Properly: Keep bulbs in a cool, dry, and well-ventilated space.


Benefits of Inspecting Bulbs:

  • Healthier Plants: Ensures only healthy bulbs are planted for better blooms.

  • Disease Prevention: Prevents rot and mould from spreading to your entire collection.

  • Time Efficiency: Avoids planting surprises in spring by starting with top-quality bulbs.

Inspecting Bulbs

2. Garden Planning

December is the perfect time to plan ahead for a successful gardening year. With fewer active tasks in the garden, use this downtime to map out planting schemes, crop rotations, and landscaping ideas. Organise your tools, order seeds, and prepare for the seasons to come.


How to Plan Your Garden:

  • Reflect and Review: Assess what worked well this year and what didn’t. Take notes to inform your new plans.

  • Map Out Schemes: Sketch planting layouts, including crop rotations and flower beds.

  • Organise Supplies: Sort through your tools, order seeds early, and ensure everything is ready to go when spring arrives.


Benefits of Garden Planning:

  • Saves Time: Get ahead of the spring rush by organising now.

  • Increased Success: Thoughtful planning improves your chances of a thriving garden.

  • Cost-Effective: Ordering seeds and supplies early can save money and help avoid shortages.

Garden Planning

3. Clean Feeders

Winter is a challenging time for garden wildlife, especially birds. Keeping feeders clean and topped up with nutritious foods like suet, seeds, and mealworms ensures birds have the energy to thrive through winter.


How to Clean and Maintain Feeders:

  • Wash Regularly: Clean feeders with warm soapy water to remove dirt and bacteria. Rinse thoroughly and dry before refilling.

  • Stock Up on Food: Use nutrient-rich options like suet balls, sunflower seeds, and mealworms.

  • Place Strategically: Position feeders in sheltered spots, away from predators, and near shrubs for cover.


Benefits of Cleaning Feeders:

  • Supports Wildlife: Helps birds survive and stay healthy during winter.

  • Prevents Disease: Reduces the risk of spreading illnesses among bird populations.

  • Encourages Visitors: Attracts a variety of birds, bringing life and activity to your garden.

Bird Feeders

4. Ventilate Greenhouses

While greenhouses offer vital protection during winter, high humidity levels can lead to mould and fungal diseases. Ventilating on mild winter days helps maintain a healthy environment for your plants, while closing vents in the evening keeps the warmth inside.


How to Ventilate Effectively:

  • Open During the Day: On milder days, open vents or doors to reduce humidity and increase airflow.

  • Close Before Nightfall: Ensure vents are shut before temperatures drop to retain warmth overnight.

  • Monitor Conditions: Use a thermometer and humidity gauge to maintain ideal levels for your plants.


Benefits of Ventilating Greenhouses:

  • Prevents Disease: Reduces the risk of mould and fungal infections.

  • Improves Air Circulation: Creates a healthier environment for plants to grow.

  • Temperature Control: Keeps plants warm at night while avoiding excess dampness during the day.

Ventilate Greenhouses

5. Frost Heaving

Frost heaving is a common winter issue caused by freeze-and-thaw cycles that push plant roots out of the soil. This can leave plants vulnerable to damage and exposure. Regularly inspect your garden for signs of frost heaving and take steps to protect affected plants.


How to Address Frost Heaving:

  • Inspect Regularly: Check plants after periods of freezing and thawing for exposed roots.

  • Re-Firm the Soil: Gently press the soil back around exposed roots, taking care not to damage the plant.

  • Add Mulch: Spread a thick, even layer of mulch around your plants, such as straw or wood chips, to insulate the soil.


Benefits of Managing Frost Heaving:

  • Protects Roots: Keeps roots firmly planted and safe from damage.

  • Encourages Stability: Prevents plants from shifting during temperature fluctuations.

  • Improves Soil Insulation: Mulch helps regulate soil temperature and retain moisture.

Managing Frost Heaving

6. Tool Care

Winter is the ideal time to maintain your gardening tools, ensuring they’re in top condition when the growing season begins. Cleaning, sharpening, and oiling your tools now will make them last longer and work more efficiently when you need them most.


How to Care for Tools:

  • Clean Thoroughly: Wash dirt and debris off tools, then dry them completely to prevent rust.

  • Sharpen Blades: Use a sharpening stone or file to restore cutting edges on secateurs, shears, and spades.

  • Oil Moving Parts: Apply a light oil to hinges and blades to prevent sticking and rust.


Benefits of Tool Care:

  • Prolongs Lifespan: Keeps tools in great condition, saving money on replacements.

  • Improves Efficiency: Well-maintained tools work better and make gardening easier.

  • Ensures Readiness: Your tools will be prepared for the busy spring season.

Cleaning Gardening Tools

As we move into January, the garden remains in its winter slumber, offering a time to reflect and prepare for the busy months ahead. This is the perfect moment to focus on forward-thinking tasks, such as finalising garden plans, maintaining tools, and inspecting stored bulbs for spring planting. It’s also a great time to keep supporting garden wildlife, protecting plants from frost, and monitoring any winter damage. Consider introducing structural plants like evergreens to add interest to your winter garden. Stay tuned for our next guide, where we’ll share fresh tips to help you kick-start the growing season and get your garden ready for spring’s arrival.



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