Illinois growing zones range from zones 5-7. By looking at the map above and locating the approximate area in which you live, you will be able to find your Illinois hardiness planting zone. Simply compare the color-coded zones for your area with those of the legend on the right of the map.
1 Place the toilet brush into the mixture and allow it to soak for several hours. 2  Remove the brush to see if it is clean. 3  If needed, add more crystals (another 1/3 -1/2 cup). 4  Soak it longer if needed. 5  Once the brush is clean, remove it from the water, rinse and allow it to dry completely. Fill a bucket half full with water. 2  Add 2-3 cups of washing soda crystals to the water. 3  Place the toilet brush into the mixture and allow it to soak for several hours. 4  Remove the brush to see if it is clean. 5  If needed, add more crystals (another 1/3 -1/2 cup).
Rinse the brushes under a stream of warm water. Hold them under the faucet to rinse off the soap. Rotate the brushes to make sure all the soap gets rinsed off. Again, make sure you don't get too much water into the barrel of the brush; focus on running water over the bristles, and not the upper part of the brush.1  Use warm, not hot, water. 2  Hot water can loosen the glue and damage the bristles.otate the brushes to make sure all the soap gets rinsed off. Again, make sure you don't get too much water into the barrel of the brush; focus on running water over the bristles, and not the upper part of the brush. 1  Use warm, not hot, water. 2  Hot water can loosen the glue and damage the bristles.