If you’re foraging for seeds near your home, you can assume they’re coming from birch trees that have been successful in your climate.
Catkins are slim, cylindrical flower clusters that have no noticeable flower petals. They look somewhat like small, soft pinecones.
An unheated garage is also a good place to store the seeds over the winter.
If a seed begins to sprout during this time, immediately move the container to a windowsill. [8] X Research source
A handheld PH-meter can help you determine the acidity of your soil. You can purchase one at your local garden store or online.
Signs of borers include holes in the bark and winding galleries just beneath it. Look for brown splotches on the leaves to know if you have leaf miners.
