Unpleasant odors can quickly make a home feel less comfortable, but certain plants can add a naturally pleasant fragrance to indoor spaces. However, don’t stop cleaning, proper ventilation, and removing the source of the odor.
Here are my 12 best odor-fighting plants to grow indoors.
Eucalyptus
Eucalyptus is one of the most popular plants for creating a fresh, clean-smelling atmosphere. Its leaves have a naturally strong, refreshing aroma that is often associated with spas and wellness spaces.
Why It Helps Freshen the Air
- Provides a refreshing fragrance: Eucalyptus has a crisp, minty aroma that can help make a room feel fresher.
- Works well in humid areas: Its refreshing scent makes it a popular choice for bright bathrooms and other well-ventilated spaces.
- Creates a spa-like atmosphere: The strong natural fragrance can make your home feel cleaner and more relaxing.
Best Placement
Place eucalyptus in a bright room with plenty of sunlight. A sunny bathroom can be an excellent location if the plant receives enough light.
Care Tip
Eucalyptus needs plenty of bright light and well-draining soil. Avoid keeping the soil constantly wet, as excessive moisture can damage the roots.
Gardenia
Gardenia is one of the best choices if you want a houseplant with a powerful floral fragrance. Its beautiful white flowers release a sweet, rich scent that can fill a room when the plant is in bloom.
Why It Helps Freshen the Air
- Produces intensely fragrant flowers: Gardenia blooms have a sweet floral aroma that can help overpower stale smells.
- Adds beauty and fragrance: The glossy green leaves and white flowers make it both decorative and useful.
- Creates a pleasant indoor atmosphere: Its rich scent can make rooms feel more inviting.
Best Placement
Place gardenia near a bright window where it can receive plenty of indirect sunlight. It also appreciates humidity and good air circulation.
Care Tip
Gardenias can be more demanding than some other houseplants. Keep the soil consistently moist without making it soggy, and provide plenty of humidity and bright light.
Mint
Mint is one of the easiest plants to grow if you want a fresh, naturally cooling scent in your home. Peppermint and spearmint are particularly fragrant varieties, and their leaves release a stronger aroma when touched or brushed.
Why It Helps Freshen the Air
- Releases a cool, fresh scent: Mint’s fragrance can make a room smell bright and refreshing.
- Works well in kitchens: The plant is attractive, useful, and naturally aromatic.
- Grows quickly: With the right care, mint can produce plenty of fragrant foliage.
Best Placement
A bright kitchen windowsill is an excellent location for mint. It can also grow well in other bright areas of the home.
Care Tip
Mint prefers consistently moist soil and regular harvesting. Pinching the growing tips can help encourage fuller, bushier growth.
Lavender
Lavender is famous for its calming and distinctive fragrance. Although it is often associated with gardens and outdoor landscapes, some varieties can be grown indoors when provided with enough sunlight.
Why It Helps Freshen the Air
- Has a naturally pleasant fragrance: Its floral scent can help mask stale or unpleasant smells.
- Creates a relaxing atmosphere: Lavender is particularly popular in bedrooms and quiet spaces.
- Adds attractive greenery: Its foliage and flowers provide decorative appeal.
Best Placement
Place lavender on a sunny windowsill where it can receive plenty of direct sunlight.
Care Tip
Allow the soil to dry between waterings. Lavender prefers good drainage and generally does not do well in constantly wet soil.
Jasmine
Jasmine is another excellent choice for naturally fragrant indoor spaces. Its delicate flowers can release a sweet, exotic scent that becomes especially noticeable when the plant is blooming.
Why It Helps Freshen the Air
- Produces highly fragrant flowers: The sweet floral aroma can naturally perfume a room.
- Adds visual interest: Its delicate flowers and climbing growth create an attractive display.
- Works well in bright indoor spaces: With proper care, jasmine can become a beautiful fragrant houseplant.
Best Placement
Place jasmine near a bright window with good air circulation. A support or trellis may be helpful for climbing varieties.
Care Tip
Provide plenty of bright light and avoid allowing the soil to remain excessively wet. Regular care is important for encouraging healthy growth and flowering.
Lemon Balm
Lemon balm is a wonderful choice for anyone who loves fresh citrus fragrances. Its leaves release a pleasant lemony aroma, especially when touched or gently crushed.
Why It Helps Freshen the Air
- Has a bright lemon fragrance: Its citrusy scent can help make indoor spaces feel fresher.
- Easy to grow: Lemon balm is generally a forgiving plant for beginners.
- Produces fragrant foliage: The leaves remain useful and aromatic throughout the growing season.
Best Placement
Place lemon balm in a bright area such as a sunny kitchen windowsill.
Care Tip
Pinch the plant back regularly to encourage fuller growth. Keep the soil moderately moist but avoid waterlogged conditions.
Rosemary
Rosemary is a fragrant herb with a strong, fresh, woody aroma, particularly when the leaves are gently touched or brushed.
It is especially useful in kitchens because it provides natural fragrance while also being an edible herb.
Why It Helps Freshen the Air
- Has a strong herbal aroma: Its scent can help make kitchens smell fresher.
- Provides a useful culinary herb: You can enjoy both its fragrance and its practical benefits.
- Adds attractive foliage: Its narrow, evergreen leaves provide year-round visual interest.
Best Placement
Rosemary needs plenty of sunlight, so a bright kitchen windowsill or sunny window is ideal.
Care Tip
Allow the soil to dry slightly between waterings and use a well-draining potting mix. Rosemary generally prefers drier conditions than many tropical houseplants.
Sweet Basil
Sweet basil is another fragrant herb that can make a kitchen smell fresh and inviting. Its soft green leaves have a pleasant herbal scent and can be harvested for cooking.
Why It Helps Freshen the Air
- Provides a fresh herbal fragrance: Its aroma can help create a pleasant atmosphere in kitchens.
- Grows well indoors: Basil can thrive on a sunny windowsill.
- Offers a practical benefit: Fresh leaves can be used in a variety of recipes.
Best Placement
Place basil in a warm, bright location, preferably near a sunny kitchen window.
Care Tip
Basil needs regular watering but should not sit in soggy soil. Harvesting the leaves regularly can encourage the plant to grow fuller.
Scented Geranium
Scented geraniums are a particularly interesting choice for naturally freshening indoor spaces because different varieties can have different fragrances.
Depending on the variety, the leaves may smell like rose, lemon, mint, citrus, or other pleasant scents.
Why It Helps Freshen the Air
- Offers a variety of natural scents: Different types provide different fragrance experiences.
- Has attractive foliage: Many varieties have beautifully shaped or textured leaves.
- Can add fragrance without relying only on flowers: The leaves themselves are often strongly scented.
Best Placement
Place scented geraniums in a sunny windowsill or another bright area.
Care Tip
Provide plenty of sunlight and avoid overwatering. Allow the soil to dry somewhat between waterings.
Lemon Verbena
Lemon verbena is one of the most strongly lemon-scented plants you can grow. Its narrow leaves release a bright citrus fragrance that can make a room smell fresh and clean.
Why It Helps Freshen the Air
- Has a powerful lemon scent: Its citrus aroma can help create a bright indoor atmosphere.
- Provides fragrant foliage: The leaves release their scent when touched.
- Adds a fresh natural fragrance: It is an excellent alternative to artificial citrus-scented products.
Best Placement
Place lemon verbena in a warm, sunny window where it can receive plenty of light.
Care Tip
Allow the soil to dry slightly between waterings, but avoid allowing the plant to become severely dehydrated.
Citrus Trees
Indoor citrus trees can add both beauty and fragrance to a home. Varieties such as lemon, lime, and calamondin may produce fragrant blossoms with a sweet, fresh citrus scent.
Why They Help Freshen the Air
- Produce fragrant flowers: Citrus blossoms can add a sweet, fresh scent to indoor spaces.
- Provide attractive greenery: Their glossy leaves make them beautiful decorative plants.
- Can produce fruit: Certain varieties can provide an additional benefit when grown under the right conditions.
Best Placement
Citrus trees need plenty of sunlight, so place them near a bright, sunny window.
Care Tip
Use well-draining soil and avoid overwatering. Citrus trees generally require more light than many traditional houseplants.
English Ivy
English ivy is not primarily known for having a powerful fragrance like eucalyptus, jasmine, or mint. However, it can still contribute to a fresher-feeling indoor environment when combined with good ventilation and regular cleaning.
Why It Can Help Create a Fresher Indoor Environment
- Adds abundant greenery: Lush foliage can make enclosed spaces feel more natural and refreshing.
- Works well in different indoor displays: Its trailing growth makes it versatile for shelves and hanging planters.
- Complements good indoor air habits: It can be part of a broader approach that includes ventilation and regular cleaning.
Best Placement
Place English ivy in bright, indirect light. It can work well on shelves or in hanging baskets.
Care Tip
Avoid overwatering and make sure there is good airflow around the foliage.
Best Odor-Fighting Plants for Different Rooms
Different rooms may benefit from different types of fragrant plants. Choosing the right plant for the space can help you enjoy its natural scent while providing the growing conditions it needs.
Best Plants for the Kitchen
The kitchen is an excellent location for fragrant herbs and citrus-scented plants. These plants can add fresh herbal or citrus aromas while also providing useful leaves for cooking.
Consider: Mint, rosemary, sweet basil, lemon balm, and lemon verbena
Best Plants for the Bathroom
Bathrooms can sometimes develop musty or stale odors, especially when ventilation is limited. However, always make sure the plants receive appropriate light and that the bathroom has sufficient ventilation.
Consider: Eucalyptus, gardenia, and English ivy
Best Plants for the Bedroom
For bedrooms, many people prefer gentle floral or relaxing fragrances. These plants can add a pleasant natural scent while also creating a more attractive and relaxing environment.
Consider: Lavender, jasmine, and gardenia.
Best Plants for Stale-Smelling Rooms
For rooms that feel stale, fragrant plants can add a more pleasant scent to the space. Remember that persistent odors should always be investigated at the source.
Consider: Eucalyptus, lemon verbena, citrus trees, and scented geraniums.
How to Use Plants to Help Reduce Unpleasant Odors
Choosing the right plants is only one part of creating a fresher-smelling home. The way you use and care for your plants also matters.
1. Improve Ventilation
Good air circulation is one of the most important ways to prevent unpleasant odors from becoming trapped indoors.
Open windows when possible and use exhaust fans in kitchens and bathrooms. Fresh airflow can help remove stale air and prevent odors from lingering.
2. Choose Naturally Fragrant Plants
Plants with aromatic leaves or fragrant flowers are generally the best choices if your goal is to add natural fragrance.
Mint, eucalyptus, lavender, jasmine, gardenia, and citrus plants are all known for their distinctive scents.
3. Place Plants Near Odor Sources
Consider placing suitable plants in areas where odors commonly develop, such as kitchens, bathrooms, or rooms that are not frequently ventilated.
However, avoid placing plants directly beside sources of extreme heat, excessive moisture, or harmful fumes.
4. Keep Plants Healthy
A healthy plant is much more pleasant to have indoors. Dead leaves, decaying roots, moldy soil, and stagnant water can all contribute to unpleasant smells.
Remove dead foliage and inspect your plants regularly for signs of stress or disease.
5. Avoid Overwatering
One of the most common causes of unpleasant odors from houseplants is overly wet soil.
Constantly wet soil can encourage root problems and fungal growth, which may produce a musty smell. Always choose pots with drainage holes and water according to the plant’s specific needs.
6. Clean Your Plants Regularly
Dust can accumulate on plant leaves, especially indoors. Gently wipe large leaves with a clean, damp cloth when necessary.
Keeping plants clean helps them remain attractive and allows you to check for pests or other problems regularly.
My Final Thoughts
Odor-fighting plants can be a beautiful and natural way to make your home feel fresher and more inviting.
For the best results, combine fragrant plants with regular cleaning, good ventilation, proper drainage, and healthy plant care.
If you are interested in growing flowers and plants and DIY flower arrangements, consider subscribing to my newsletter. Additionally, follow me on Pinterest to discover more amazing pins.

