Winter sow larkspur for a beautiful spring garden! This guide provides step-by-step instructions for successfully sowing larkspur seeds outdoors in winter.
Gather the supplies. Milk JugPotting SoilSeedsScissorsTapeSharpie Marker
Add drainage holes to the bottom of containers so moisture can drain out. If using a milk jug, cut the jug in half so it can be filled with organic potting soil and planted. And remove nutrition labels from lids or covers so light is able to reach seeds
Fill the bottoms of containers about halfway with pre-moistened potting soil.
Then sow your seeds.
Attach the cover, tape it closed and label it well.
Remove the cap or add a few holes at the top to insure good airflow. Then move it to an outdoor location that receives sunlight and rain, but is protected from harsh weather.
How late you can winter sow will depend on what you are growing. If it needs a chill requirement, it should be started 4-5 weeks before the last frost.
Follow along to learn more about winter sowing larkspur flowers outdoors.