A minimum of 10 species will be chosen from the following list, and used in equal quantities:
| Agastache anethiodora | Anise Hyssop |
| Anthemis nobilis | Lawn Chamomile |
| Chrysnathemum parthenium | Feverfew |
| Filipendula ulmaria | Meadowsweet |
| Galium verum | Lady's Bedstraw |
| Hyacinthoides non-scripta | English Bluebell |
| Hyssopus officinalis | Hyssop |
| Melissa officinalis | Lemon Balm |
| Mentha pulegium | Pennyroyal |
| Myrrhis odorata | Sweet Cicely |
| Oenothera biennis | Evening Primrose |
| Origanum vulgare | Wild Marjoram |
| Primula veris | Cowslip |
| Tanacetum vulgare | Tansy |
| Thymus polytrichus | Wild Thyme |
