This is just as effective as using chemical fungicide. Clean up outdoor plants such as sage, lavender, sorrel and tarragon. April - plant roses. Divide oreganos and tarragon. Cut back lavender and sage to greenwood.
Plant starts of perennial herbs.
Dig up and pot parsley, thyme, rosemary and other herbs. Make sure you check for insects. Herbs need six hours or more of strong sunlight. You can use artificial light to augment sunlight. After a killing frost - remove dead annuals from your beds.