Sowing Wildflower Seeds in Winter

Sowing Seeds onto the snow

Sowing wildflower seeds in winter

Traditionally, we think of the balmy days of spring or summer as the time to sow seeds in our gardens. And while this may be true of many annual flowers and vegetables, seeds of perennial wildflowers are best sow in the late fall or winter! Why? Many perennials have seeds that require a period of cold, moist conditions to breakdown chemicals in the seeds that inhibit germination. These chemicals protect the seeds from germinating prematurely such that they wait until the following spring to sprout.

I have found that by working with nature and the weather, perennial wildflower seeds can be sown directly into the landscape to add color, feed pollinators like bees and hummingbirds and create a more natural looking landscape. My favorite technique is to sow these seeds into the snow! You can watch the weather carefully beginning in the late fall/early winter months for predictions of a good snow, 4-6 inches at least.

David Salman sowing seeds

David Salman sowing wildflower seeds

Get a plastic bucket and mix the seeds with slightly damp sand to help distribute the seeds more evenly onto the ground. Go out and scatter the seed/sand mix over the area to be seeded and wait for the snow to come and “tuck them in.”  When the snow melts, the freezing at night and thawing during the day help work the seeds into the soil. Continued snows just enhance the effect and provide the moist, cold conditions these perennials seed require to germinate the following spring.

If you miss the first couple of snows, it’s fine to sow the seeds right on top of the snow. With a little sunshine, the darker seeds absorb and heat up melting themselves down into the snow. Better yet, the next snow buries the seeds down more deeply below the surface. Just as sowing prior to the first snows, seeds are moved into soil by freezing and thawing as the snow melts later.

I don’t recommend sowing on top of the snow if your yard gets a lot of wind. Wind can blow the top layers of the snow and seeds to another part of the landscape or your neighbor’s yard!  In windy areas, it’s best to try and get underneath the snow earlier in November of December.

To make sure the perennial wildflower seeds are subjected to a long enough stretch of cold, moist conditions, try to get the seeds sown by February. Note that a mixture of annual and perennial wildflower seeds can be sown using this method. The annuals will sprout nicely even though they don’t need the damp winter cold.

Be patient and by late spring/early summer you should see lots of small seedlings establishing themselves into your landscape.

5 thoughts on “Sowing Wildflower Seeds in Winter”

  • Karen Curl
    Karen Curl 02/14/10 at 6:29 am

    Thanks for this tip! Have scattered wildflower seeds from existing plants that have gone dormant in the fall, without much success...will try this.

  • Celia Sturges
    Celia Sturges 02/23/10 at 7:14 am

    Would this work with native grass seed as well?

    • David Salman

      Dorothy and Celia:
      Yes, sowing grama grass seed into or under the snow is an excellent way to get this beautiful native grass growing in your yard. You can mix the grama seed with wildflower mixes to create a short grass prairie. I like to mix my grass seed and/or wildflower seeds into some slightly damp sand; a handful or less of seed to two or three handfuls of sand. This helps to broadcast the seed more evenly.

  • Dorothy B.
    Dorothy B. 02/23/10 at 3:06 pm

    This sounds like a sure way. I am going to try it tomorrow, as we have more snow predicted for the weekend. And, does it work for gramma grass seed also?

  • Marian Elizebeth Bostwick

    It's a ?. What perennial seeds are sown this way? I only know of Lavender because I use it to protect my Roses during winter, I only have 1 Pine tree and it's a baby. So, instead of pine boughs I use Lavender stems I have pruned, they are plentiful in my garden, and give the added benefit of seedlings that have been cold stratified when I remove the protection from the roses to go in the compost pile. I would love to sow as many seeds as possible this way, as I have only so many feet of grow lights, and as you know, it is a lot of work. Work I love, but work that can not be forgotten even 1 day.

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