Baking soda neutralizes the ph in the soil and nothing will grow there. use baking soda around all of the edges of flower beds to keep the grass and weeds from growing into beds. Just sprinkle it onto the soil so that it covers it lightly. Do this twice a year – spring and fall.
This is a wonderful site to plan my garden from start to finish. You tell it where you live it tells you what to plant and when, designs your garden for you and gives you daily reminders of what to do to your garden.