Separate names with a comma.
you could leave them out to the weather, or keep stratified seeds sown in pots with moist soil in your fridge for 3 or 4 months. the chill of...
cercis occidentalis could be more showy, requiring less hours of cold for heavy flowering, but it is a difficult plant to find in pdx save for...
simple scarification works well too. sown into well draining medium, with lots of winter chill, or a few months in a fridge. the microbiological...