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.
Scrubbing with Soap and Water. 1  1. Use this simple method primarily for linen and cotton. 2  2. Turn the fabric so the stain is face-down. 3  3. Flush the stain with cold water.  4. Rub soap into the 1  stain. 5. Grip the stained area with both hands.  6. Rub the stain against 1  itself. 7. Periodically replace the water and soap and continue rubbing.