Delphiniums, which often suffer in our heat, are rated 6-1. Much of central Illinois is zone 6 so as you can see we are on the top range of heat that a delphinium will tolerate. Since the heat zone ratings are fairly new they are not listed as regularly as hardiness zones.
Methods Using Common Household Items. Sometimes cream of tartar will help to remove set stains from old linens. Mix 3 teaspoon of the cream of tartar per cup of water and boil your linen in the soup for a few minutes. Rinse in cold water and allow to sun dry.ethods Using Common Household Items. Sometimes cream of tartar will help to remove set stains from old linens. Mix 3 teaspoon of the cream of tartar per cup of water and boil your linen in the soup for a few minutes. Rinse in cold water and allow to sun dry.
Step 1. Mix 1 tbsp. dishwashing liquid, 1 tbsp. white vinegar and 2 cups warm water. Dip a corner of a clean cloth into the mixture, wring out slightly and sponge the mixture directly onto the stain until it becomes damp. Wait 30 minutes, blotting the area every five minutes. Wet another corner of the cloth with clean water.