Essential Oils and Herbs by Class
| Class | Week 1 | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 7 |
| Level I | lavender jasmine orange |
cedarwood frankincense myrrh |
roman chamomile rose patchouli |
thyme cypress peppermint |
eucalyptus juniper tea tree lemon |
geranium fennel grapefruit rosemary |
clary sage ylang ylang bergamot |
| Level II | |||||||
| Class 1 (history) |
cardamom clovebud burdock root |
garlic wormwood |
nutmeg vervain |
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| Class 2 (botany) |
pine sandalwood elemi |
ginger vetiver angelica |
hyssop lavandin |
lime german chamomile |
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| Class 3 Part I (physio) |
helichrysum aloe vera |
marjoram comfrey |
cajeput camphor arnica |
ravensara horehound |
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| Class 3 Part II (physio) |
black pepper cinnamon hawthorne |
coriander dill licorice root |
celery seed dandelion |
sage raspberry leaf |
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| Class 4 (chem) |
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| Class 5 (mind-body) |
basil bay laurel St. Johns Wort |
lemongrass petitgrain saw palmetto |
niaouli palmarosa astragalus |
mandarin | spikenard | ||
| Class 6 (clinical) |
myrtle oregano golden seal |
eucalyptus citriodora echinacea |
galbanum valerian gingko |
spearmint yarrow milk thistle |
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| Class 7 (energy) |
rosewood | neroli mugwort |
carrot seed tulsi ginseng |
melissa | |||
| Class 8 (Comm. & Bus.) |
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| Class 9 (Clin. Prac.) |
spruce | benzoin | Mystery Oil! | ||||