[Guide] Winter Sowing Seed List - Effective Methods

Winter Sowing Seed List: A Guide For Successful Germination

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winter sowing seeds guide
winter sowing seeds

Hey everyone! Winter is here, and you might think it’s time to take a break from gardening. But, there’s a neat way to garden during the winter too. It’s called winter sowing. This method is really cool because it uses the cold winter weather to help grow strong plants.

Winter sowing is all about starting your seeds outside in the cold. You use containers like milk jugs or clear domes to make little greenhouses. These protect the seeds from the cold and help them grow. When spring comes, these plants are ready to go and grow fast!

So, even when it’s cold and snowy, you can still be a great gardener. Winter sowing is a smart way to get a head start on your spring garden. Let’s learn how to do it and keep our gardens growing all year long!

Understanding Winter Sowing

Winter sowing involves planting seeds in miniature greenhouses created from recycled containers during winter. These containers are left outside, exposing seeds to natural weather cycles.

The process mimics nature’s way of germinating seeds, resulting in strong, resilient plants. It’s an economical and environmentally friendly approach that can significantly enhance your gardening experience.

Choosing the Right Seeds for Winter Sowing

Not all seeds are suitable for winter sowing. It’s essential to select seeds that can endure cold conditions. Hardy annuals, perennials, and certain vegetables thrive with this method.

Look for seeds that require stratification (cold treatment) or those labeled as frost-tolerant. This ensures they’ll survive and germinate effectively when subjected to the winter elements.

I will reveal the ultimate list of what seeds and what month to sow in this article below.

Materials and Tools for Winter Sowing

The beauty of winter sowing lies in its simplicity and the use of readily available materials. You’ll need:

  • Clear or translucent containers (like milk jugs, soda bottles, or used salad containers)
  • Potting soil
  • Water
  • Seeds
  • A knife, scissors, or a drill with a small drill bit for creating ventilation holes These simple tools are your ticket to a flourishing winter garden.

Step-by-Step Guide to Winter Sowing

  1. Prepare Containers: Clean your containers and cut them horizontally, leaving a hinge to open and close.
  2. Add Soil and Seeds: Fill the bottom half (about 2-3 inches with potting soil), moisten it, and sow your seeds at the recommended depth on the package.
  3. Seal and Label: Close the containers and secure them with tape. Label each container with the seed type.
  4. Ventilation and Exposure: Make holes for ventilation and place the containers outdoors in a spot that receives sunlight but is protected from harsh winds.
  5. Monitor and Wait: Let nature do its work. The seeds will germinate when the conditions are right.

What Are The Optimal Conditions for Winter Sowing?

Ideal conditions vary depending on your geographic location. Generally, a spot that receives ample winter sunlight while being shielded from the harshest winds is perfect.

The containers will naturally accumulate snow and rain, which aids in the germination process.

Winter Sowing Seed List And Months to Plant Them

January Seeds


  • Aquilegia (Columbine)
  • Coreopsis
  • Delphinium
  • Joe Pye
  • Milkweed
  • Sea Kale
  • Calendula
  • Snapdragon
  • Sweet William
  • Verbena
  • Viola (Johnny Jump Up)
  • Blazing Star
  • Butterfly Weed


  • Angelica
  • Anise Hyssop
  • Catnip
  • Elecampane
  • Feverfew
  • Hyssop
  • Germander
  • Oregano
  • Valerian
  • Spearmint
  • Winter Savory
  • Dill
  • Mint

Fruits and Vegetables

  • Asparagus
  • Strawberries
  • Onions
  • Leeks
  • Shallots
  • Garlic
  • Rhubarb
  • Kale

February Seeds


  • Dianthus
  • Echinacea
  • Foxglove
  • Blanket Flower
  • Helenium
  • Heliopsis
  • Hollyhock
  • Lupine
  • Malva
  • Monarda (Bee Balm)
  • Rudbeckia
  • Pink Dandelion
  • Baby’s Breath
  • Ageratum
  • Bishop’s Flower
  • Cleome
  • Larkspur
  • Pansy
  • Snapdragon
  • Sweet Annie
  • Sweet Pea
  • Viola
  • Poppy
  • Gypsophila


  • Chives
  • Borage
  • Cilantro
  • Lavender
  • Lemon Balm
  • Lovage
  • Mint
  • Oregano
  • Parsley
  • Savory
  • Sage
  • Thyme
  • Chamomile


  • Onions
  • Leeks
  • Shallots
  • Peas
  • Broad Beans

March Seeds


  • Alyssum
  • Amaranth
  • Calendula
  • Bachelors’ Buttons
  • Marigold
  • Cosmos
  • Morning Glory
  • Nasturtium
  • Scabiosa
  • Zinnia
  • Sunflower
  • Gaillardia
  • Coneflower


  • Broccoli
  • Cabbage
  • Cauliflower
  • Brussels Sprouts
  • Lettuce
  • Leafy Greens
  • Kale
  • Spinach
  • Tomatoes
  • Peppers
  • Swiss Chard
  • Carrots
  • Beets
  • Bok Choy
  • Arugula

Troubleshooting Common Winter Sowing Issues

Sometimes, things might not go as planned. If seeds aren’t germinating, it could be due to overly dry soil, inadequate sunlight, or choosing seeds that aren’t suitable for winter sowing. Regular checks and adjustments can help mitigate these issues.

Maximizing Seed Germination in Cold Weather

To enhance germination, ensure your soil is consistently moist and the containers are correctly ventilated. Choosing the right seed variety is crucial. Seeds that naturally require a period of cold to germinate are ideal for winter sowing.

Transitioning from Winter Sowing to Spring Planting

As spring approaches and temperatures rise, gradually introduce your seedlings to the outdoor environment. This process, known as hardening off, prepares them for transplanting into your garden.

Winter Sowing in Different Climates

Adapting the winter sowing technique to your local climate is essential. In colder regions, use more insulation and choose hardier seed varieties. In milder climates, you might start sowing a bit later in the season.

Advanced Winter Sowing Techniques

For seasoned gardeners, experimenting with different soil mixes, varying the sowing times for different seeds, and using larger containers for a mini-greenhouse effect can yield fascinating results.

Comparing Winter Sowing with Traditional Methods

Unlike traditional indoor seed starting, winter sowing is low-maintenance and doesn’t require grow lights or constant temperature monitoring. It’s a more natural process that produces hardier plants.

Winter Sowing and Permaculture

Winter sowing aligns perfectly with permaculture principles. It emphasizes working with nature, utilizing recycled materials, and fostering a sustainable gardening practice.

Eco-Friendly Aspects of Winter Sowing

This method reduces the need for plastic pots and artificial heating sources, making it an environmentally friendly choice for gardeners concerned about their ecological footprint.

Is Winter Sowing Worth It?

Absolutely! Winter sowing has numerous benefits. It’s cost-effective, uses recycled materials, and prepares plants for the harsh outdoor environment naturally. This method also requires less maintenance compared to traditional indoor seed starting.

Can You Winter Sow Directly into the Ground?

While winter sowing is commonly done in containers, it’s also possible to sow directly into the ground. This method is suitable for hardy seeds that can withstand the winter conditions in your area.

What Seeds are Easiest to Grow in Winter?

Herbs like parsley and cilantro, along with hardy greens like spinach and kale, are some of the easiest seeds to grow in winter. They thrive in cooler temperatures and can be sown directly into a cold frame or winter sowing containers.

Can Peppers be Winter Sown?

Peppers, while typically grown in warmer climates, can be winter sown with some precautions. They require a longer growing season, so starting them in late winter in a protected environment can give them a head start.

What Soil to Use for Winter Sowing?

Use a well-draining potting mix for winter sowing. It should be light enough to allow for easy germination and strong root growth, yet able to retain enough moisture to keep the seeds hydrated.

When Can You Start Winter Sowing?

The ideal time to start winter sowing depends on your local climate. In colder regions, you can begin as early as late December. For milder climates, wait until January or February.

Is it Too Late to Winter Sow?

It’s never too late to start winter sowing as long as there’s enough time for the seeds to germinate and grow before the onset of hot weather. Even late winter or early spring sowing can be successful for certain seeds.

Can You Winter Sow in Seed Trays?

Yes, seed trays can be used for winter sowing, especially for seeds that need more space to grow. Ensure the trays are well insulated and protected from extreme conditions.

What is Too Cold for Seeds to Germinate?

Most seeds have a minimum germination temperature, usually between 40°F to 45°F (4°C to 7°C). However, some hardy seeds can germinate in temperatures slightly lower than this range.

Can You Winter-Sow Tomatoes?

Tomatoes can be winter sown with caution. They need a warm environment to germinate, so they should be sown in late winter and kept in a place where they can receive warmth from the sun.

Will Seeds Germinate in a Cold Frame?

Seeds can germinate in a cold frame as it provides a controlled environment, protecting them from extreme cold and wind while harnessing the sun’s warmth during the day.

Documenting and Sharing Your Winter Sowing Journey

Keeping a journal or blog about your winter sowing adventures is not only fun but also educational for others. Documenting the process, from seed selection to sprouting, can be a helpful resource for the gardening community.

Frequently Asked Questions About Winter Sowing Seeds

How do I protect my winter sown seeds from animals?

To protect your winter sown seeds from animals, use sturdy containers with secure lids. Creating small air and water holes will prevent larger pests from accessing the seeds. You can also place the containers in an elevated area or use a wire mesh around them for additional protection.

Can winter sowing help with pest control?

Yes, winter sowing can naturally help with pest control. The cold temperatures of winter are often too harsh for many common pests, which reduces their likelihood of disturbing your seeds. Additionally, the physical barrier of the containers offers an extra layer of protection.

What are the best containers for winter sowing?

The best containers for winter sowing are clear or translucent, such as milk jugs, soda bottles, or salad containers. These allow sunlight to reach the seeds while providing insulation. Ensure they are clean and have small holes for drainage and ventilation.

How much sunlight do winter sown seeds need?

Winter sown seeds need a good amount of sunlight, similar to traditional gardening. Place the containers in a location where they can receive several hours of sunlight daily, but avoid overly sunny spots that might overheat the seeds on warmer days.

Can I use winter sowing for flower seeds?

Absolutely! Winter sowing is excellent for many flower seeds, especially perennials and hardy annuals. It’s an effective way to start flowers that need a period of cold stratification.

How does winter sowing compare to greenhouse growing?

Winter sowing is a more passive and less resource-intensive method compared to greenhouse growing. It doesn’t require electricity or additional heating. While greenhouses offer more control over the environment, winter sowing utilizes natural weather conditions for germination.

What types of seeds are best for winter sowing?

Hardy annuals, perennials, and certain vegetables and herbs that can endure or require cold stratification are best for winter sowing. Look for seeds that are frost-tolerant or need a period of cold to break dormancy.

When should I start winter sowing?

The ideal time for winter sowing depends on your climate zone. Generally, you can start as early as late December in colder areas and around January or February in milder climates.

Do I need to water my winter sown seeds?

Initially, water the soil when you set up your winter sowing containers. The natural precipitation and condensation inside the containers usually provide sufficient moisture. However, check periodically and water lightly if the soil looks dry.

How do I know when to transplant my seedlings?

Transplant your seedlings when they have developed their second set of true leaves and the outdoor temperatures are consistently suitable for the plant type. Gradually acclimatize them to outdoor conditions before planting them in the ground.

Can I winter sow in a warmer climate?

Yes, winter sowing can be adapted to warmer climates by adjusting the timing. In these regions, you might start sowing a bit later in the winter or early spring to avoid extreme heat as the season progresses.

What are the main advantages of winter sowing over traditional methods?

Winter sowing offers several advantages:

  • Low maintenance: It requires less daily care than indoor seed starting.
  • Cost-effective: Uses recycled materials and no need for grow lights or heating mats.
  • Stronger plants: Seedlings are naturally acclimatized to outdoor conditions.
  • Eco-friendly: Reduces the need for plastics and electricity in gardening.

Final Thoughts

Winter sowing seeds is a gratifying and effective way to jumpstart your garden. It’s simple, eco-friendly, and a great conversation starter among gardening enthusiasts.

Give it a try this winter, and you might just find yourself eagerly awaiting the first snowfall, seed packets in hand, ready to embark on a new gardening adventure.

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