| Best soft soap | 1 lb. |
| Quassia chips | 2½ lb. |
| Water | 25 gallons. |
Dissolve the soap in boiling (soft) water. Boil the chips or simmer for twelve hours, adding water from time to time to cover them. Strain off the liquid, mix it with the dissolved soap, stirring them together thoroughly, then add the water.
3. Tobacco Wash—also useful for Cuckoo Spit, Thrips and Leaf-Hoppers.
| 1 part tobacco juice. |
| 15 parts water. |
| Add a little dissolved soft soap. |
4. Hellebore Wash for Sawflies.
| Fresh-ground hellebore | 1 oz. |
| Flour | 2 oz. |
| Water | 3 gallons. |
Mix the flour and hellebore powder with a little water. Then add the rest of the water. It must be kept stirred, and used with a fine spray. Hellebore is poison.
5. Arsenate of Lead for Caterpillars.
This is a poisonous wash, but the only one that can be used without hurting the roses. It is made with the paste known as Swift's Arsenate Paste, mixed with water.
6. Flowers of Sulphur blown over the plants for Mildew.