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.
Soak stain with hydrogen peroxide (yes the same stuff used to disinfect a cut) for about 3 minutes. Make a paste from liquid laundry detergent and baking soda and apply it to the stain. scrub the stain and apply white vinegar. let the solution bubble. Rinse the stain with hot water and let soak in a solution of baking soda and Luke warm tap water for 15 min. rinse with Luke warm tap water and was as usual.