Buttermilk: Substitute an equal amount of soymilk mixed with lemon juice. Allow the mixture to thicken 5 minutes before using. Or substitute an equal amount of vegan sour cream substitute diluted half and half with water. 1 cup buttermilk = 1 cup soymilk with 2 Tblsp lemon juice allowed to sit 5 minutes. 1 cup buttermilk = 1/2 cup vegan sour cream mixed with 1/2 cup water. Sour Cream: Use a vegan sour cream substitute.
Lay down aged cow manure as a top dressing over recently mowed grass. Use bagged commercial aged manure or buy from a reputable bulk dealer. Manure can be used to top dress grass once or twice a year, with the first application in the early spring and the second in the early fall.
The best time to plant grapevines is in early spring. In colder climates where heaving occurs, avoid planting grapevines in fall in order to prevent this. Plant potted stock so that the graft, which is the swollen joint on the stem just above the root ball, is just above the soil surface.