Winter gardening tips help prepare for a successful spring

Glenda Humiston, Vice President, Agriculture and Natural Resources - UC Agriculture and Natural Resources
Glenda Humiston, Vice President, Agriculture and Natural Resources - UC Agriculture and Natural Resources
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As winter arrives, gardeners are encouraged to focus on essential tasks that can help ensure a productive and attractive garden in the spring. According to gardening advice shared by Lanie Keystone, December is an important month for several maintenance activities.

Pruning is a key task this time of year. Gardeners should prune dormant trees such as grapevines, roses, and deciduous fruit trees to encourage healthy growth and proper shape. Evergreen hedges and shrubs also benefit from trimming to maintain their appearance. Removing damaged or dead branches supports overall plant health.

Planting during December can set the stage for a vibrant spring. Keystone recommends planting bulbs like tulips, daffodils, and alliums now for colorful blooms later. Bare-root roses should be purchased in advance and planted in late December. Winter vegetables—including carrots, kale, broccoli, beets, and lettuce—are suited for planting during cooler months. Native plants can establish well if planted during the rainy season. Additionally, including winter-blooming plants such as manzanita, grevillea, or hellebores can attract pollinators.

Lawn care is another area of focus in winter gardening. Aerating lawns with compacted soil improves water and nutrient absorption. Applying winter fertilizer helps cool-season grasses remain healthy.

Irrigation systems may need adjustment as temperatures drop and rainfall increases. Gardeners are advised to check automatic irrigation systems and modify timers accordingly.

Soil preparation includes mulching garden beds to reduce weed growth and protect against erosion. Adding compost at this stage enriches the soil ahead of spring planting.

Harvesting continues into December for those who planted leafy greens and root vegetables in the fall. This is also the time to pick ripe citrus fruits such as oranges, lemons, limes, and mandarins.

Residents of Solano or Yolo Counties are encouraged to donate excess produce through local gleaning projects that support food banks or consider starting similar initiatives in their communities.

“Once all of these Winter garden tasks are completed, sit by the window, watch the winter critters, and plan for next spring and summer with your favorite seed catalogs. You deserve it!” wrote Keystone.

For more information about winter gardening practices: https://www.pexels.com/photo/water-protection-pros-poland-jacket-double-welding-technique-increased-resistance-to-mechanical-damage-16442685/



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