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Eucalyptus diffuser blends are perfect for easier breathing on stuffy days, a fresher-smelling home and a quick energy boost. Below are 10 eucalyptus diffuser recipes, the 4 types of eucalyptus oil and which to choose, and kid and pet safety tips.
Eucalyptus has a powerful, fresh and slightly medicinal aroma that refreshes the mind and clears the air. It's one of the most popular oils for diffusing, especially during cold and allergy season. Jump to the 10 recipes.
Eucalyptus Oil Benefits for Diffusing
Eucalyptus is traditionally used in aromatherapy to support easy breathing and a clear head. Its cool, crisp scent makes a room feel fresh and helps you feel more alert.
Here are several reasons to love this oil:
- Inspires deep breathing
- Freshens and deodorizes the home
- Helps you feel focused and alert
- Brings a cooling, refreshing feel when your head feels heavy
- Helps keep bugs away
- Boosts energy
- Makes stuffy rooms feel easier to breathe in
For more oils that help on stuffy days, see my top 10 essential oils for congestion and diffuser blends for allergies.

Types of Eucalyptus Essential Oil
Eucalyptus trees are native to Australia but are now grown around the world. There are over 700 species, so check the botanical name on the label to know which type you are buying.
Here are four popular types used in aromatherapy. They share many of the same qualities; the main differences are their aroma, chemistry and how gentle they are.
Eucalyptus Radiata
- Rich in 1,8-cineole and considered the most versatile eucalyptus oil
- Comes from the Narrow Leaf Peppermint tree
- Crisp, clean, true eucalyptus aroma that is softer and sweeter than globulus, with smooth camphor notes
- A great all-around choice for diffusing
Eucalyptus Globulus
- The most common type of eucalyptus oil
- Comes from the “Tasmanian Blue Gum” tree native to Australia
- Very high in 1,8-cineole, with a strong, deep, camphorous menthol aroma
- The strongest-smelling choice, so start with fewer drops
Eucalyptus Dives
- Also known as "Peppermint Eucalyptus"
- Steam distilled from the leaves and twigs of the Broad-Leaved Peppermint tree
- A strong herbaceous, minty scent that is stimulating and uplifting
- Read my EO Spotlight on Eucalyptus Dives Oil
Lemon Eucalyptus
- Eucalyptus citriodora (now often listed as Corymbia citriodora)
- Smells sweet and lemony, similar to citronella, and is a favorite in natural bug-repellent blends
- Steam distilled from the leaves of the Lemon-Scented Gum tree
Which eucalyptus is best for diffusing?
Radiata is the best all-around choice for adults: fresh and clearing but softer than globulus. Choose globulus if you want the strongest scent. For homes with children ages 2 to 10, use lemon eucalyptus or Eucalyptus dives instead.
Safety tip: Eucalyptus essential oil should never be taken internally. Eucalyptus oils rich in 1,8-cineole, like E. globulus and E. radiata, are generally not recommended for children under 10. Lemon eucalyptus and Eucalyptus dives are considered kid-friendly for ages 2 and up.
Here is my favorite Eucalyptus Essential Oil for Kids (affiliate link).
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Eucalyptus Blends Well With
Eucalyptus pairs especially well with mints, conifers, herbs and citrus. Here are some oils that blend beautifully with it:
- Peppermint (see my peppermint diffuser blends)
- Spearmint
- Thyme
- Rosemary (see my rosemary diffuser blends)
- Marjoram
- Pine
- Spruce
- Fir
- Geranium
- Lavender
- Cedarwood
- Sandalwood
- Melissa
- Lemon (see my lemon diffuser blends)
- Frankincense
- Black pepper
- Bergamot
- Cypress
Eucalyptus Diffuser Blends
You can use whichever type of eucalyptus you prefer in these blends, or mix two types together. Add one of the recipes below to your diffuser with the recommended amount of water. I like to use a diffuser with a 100 to 200 ml water tank, but use whatever size you have and adjust the drops as needed.
Diffusing around kids ages 2 to 10? Use lemon eucalyptus or Eucalyptus dives, and skip the blends with peppermint or rosemary (marked "For adults and kids 10+").
1. Breathe Clear Diffuser Recipe
Eucalyptus and peppermint are a classic pair for a cool, clearing aroma that invites deep breaths. Lemon and tea tree add a fresh, clean edge. For adults and kids 10+.
- 3 drops Peppermint
- 2 drops Eucalyptus
- 2 drops Tea Tree
- 1 drop Lemon

2. Tranquil Spa
Lavender and eucalyptus are a favorite duo, and sandalwood mellows the aroma for a calm, spa-day feel.
- 3 drops Lavender
- 3 drops Eucalyptus
- 2 drops Sandalwood

3. Clear the Air
Freshen stale rooms with this crisp, herbal citrus blend. For more ideas, see my purifying diffuser blends.
- 3 drops Eucalyptus
- 3 drops Lemon
- 3 drops Sweet Marjoram

4. Bright Forest Stroll
A bright, uplifting blend for focus and energy. Grapefruit and eucalyptus wake up the senses, while frankincense and a drop of ylang ylang round it out.
- 3 drops Grapefruit
- 2 drops Eucalyptus
- 2 drops Frankincense
- 1 drop Ylang Ylang

5. Clear Sleep Diffuser Blend
Eucalyptus isn't a typical sleep oil, but its fresh aroma can make a stuffy bedroom feel easier to breathe in. Lavender, cedarwood and Roman chamomile bring the calm. Find more bedtime recipes in my sleep diffuser blends.
- 2 drops Lavender
- 2 drops Cedarwood
- 2 drops Eucalyptus
- 2 drops Roman Chamomile

6. Respiratory Rescue Blend
My go-to blend for stuffy days, with a strong, clearing aroma. You can also use it in an aromatherapy inhaler to take on the go, or try a steam inhalation for a quick, concentrated dose. For adults and kids 10+.
- 3 drops Eucalyptus
- 3 drops Peppermint
- 2 drops Lemon
- 2 drops Rosemary

7. Positive Energy Diffuser Blend
Let positive energy flow with this sunny citrus blend, brightened with a fresh hint of eucalyptus.
- 3 drops Bergamot
- 3 drops Orange
- 2 drops Eucalyptus

8. Energizing the Day
An energizing eucalyptus-mint blend with uplifting lemon and lime. Great for a sluggish afternoon. For adults and kids 10+.
- 4 drops Lemon
- 2 drops Lime
- 2 drops Eucalyptus
- 2 drops Peppermint

9. Workout Boost Diffuser Recipe
Refreshing and reviving. Turn this on before a home workout to feel energized and ready to move. For adults and kids 10+.
- 3 drops Tangerine
- 2 drops Eucalyptus
- 2 drops Peppermint

10. Forest Fresh Diffuser Blend
A green, woodsy blend that smells like a walk among the trees. It helps you breathe deeply and feel renewed. Love this one? Try my cypress diffuser blends.
- 3 drops Cypress
- 2 drops Lavender
- 2 drops Cedarwood
- 2 drops Eucalyptus

Safety Guidelines for Diffusing Eucalyptus
Diffuse for 30 minutes to 1 hour at a time, then take a break. Read more about how long to diffuse oils.
- Children: Don't diffuse E. globulus, E. radiata, peppermint or rosemary around children under 10, and never apply them to or near a child's face. Lemon eucalyptus and Eucalyptus dives are gentler choices for ages 2 and up.
- Pets: Eucalyptus is a known concern for cats, dogs and birds. Don't diffuse it around cats or birds, and always diffuse in a ventilated room with the door open so pets can leave.
- Asthma and pregnancy: Strong scents can trigger asthma in some people. If you have asthma, are pregnant or have a health condition, check with your doctor before using eucalyptus.
- Never ingest: Eucalyptus oil can be poisonous if swallowed, even in small amounts. Store it out of reach of children and pets.
- On skin: Always dilute essential oils in a carrier oil like jojoba or sweet almond oil before applying them to the skin.
For more, see my essential oil safety tips. Everyone responds to essential oils a little differently, so what works for one person may not work for you. Learn more about what to do when essential oils don't work.
More Single-Oil Diffuser Blends
- 20 Simple Essential Oil Combinations for Your Diffuser
- Peppermint Diffuser Blends
- Rosemary Diffuser Blends
- Lemon Diffuser Blends
- Lavender Diffuser Blends
- Cypress Diffuser Blends
- Thyme Diffuser Blends
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