(Source: witch gang
Banishing negative energies/spirits comes in three steps. The initial banishing, then purification of the space to clear it of anything that resides and lastly protection is put in place to prevent negative energies returning.
Here is a masterpost of herbs you can use for this process in your home and how you use them.
St.Johns Wort - Burn, spreading the smoke throughout your living space to remove negative forces/energies.
Cloves - Burn, spreading the smoke throughout your living space to remove negative forces/energies.
Dragon’s blood - Burn, spreading the smoke throughout your living space to remove negative forces/energies.
Black pepper - Scatter around your home to banish evil spirits.
Thyme - Burn, spreading the smoke throughout your living space, can also be hung for purification.
Basil - Keep in sachets to drive off hostile spirits.
Bloodroot - Place in windows and doorways to banish evil spirits and curses.
Chrysanthemum - Growing chrysanthemum in your front garden is supposed to banish evil spirits.
Clover - Sprinkle around the home to remove negative spirits.
Hawthorn - Keep sachet in your home to repel ghosts and evil spirits.
Vertivert - Burn, spreading the smoke throughout your living space to remove negative forces/energies.
Rosemary water (can add salt and garlic for added potency) - Ensure you spray thresholds, spray in rooms as you see fit. Also good for purification baths.
Angelica - Scatter in home to purify the space.
Benzoin - Smoulder, spreading the smoke to purify the space.
Cloves - Burn to purify the space.
Dragon’s blood - Sprinkle around your home for purification.
Fennel seed - Hang at doors and windows to purify and ward off evil.
Hyssop - Add to baths to cleanse yourself. Hang sachets or hang in home to purify it.
Mimosa - Scatter around for purification.
Oak leaves - Burn for purification.
Parsley - Add to bath for personal purification.
Peppermint - Burn to clear negative energies.
Salt - Sprinkle over thresholds to repel spirits and negative energies.
Angelica - Sprinkle outside the home for protection.
Basil - Sprinkle in every room within home for protection.
Bay leaf - Place in corner of each room to protect all that live there.
Calendula - Scatter under the bed for protection.
Cinquefoil - Fill an empty egg shell with it and keep it in the home for power protection.
Cypress - Hang in the home for protection.
Frankincense - Burn for protection
Juniper - Burn for protection
Marigold - Scatter under the bed for protection while sleeping
Mint - Scatter in home for protection.
Peony - Hang in home for protection.
St Johns Wort - Keep in a jar near a window or burn in a fireplace for protection.
Valerian - Used in baths for protection.
Vervain - Use in sachets, dream pillows and baths for protection of home and people in it.
Willow - Keep a piece in the home to protect against evil.