Oh, hello there! Pull up a chair, won’t you? Let’s chat about a truly delightful California native: Monardella australis. If you’ve ever seen this little beauty gracing a sunnySlope, you know what I mean. Its fragrant, mint-like foliage and lovely little whorls of blossoms are just… well, they’re simply charming. And the best part? It’s not as tricky to propagate as you might think! Sharing this wild beauty with friends, or just expanding your own collection, feels incredibly rewarding. For most gardeners, I’d say Monardella australis falls into the moderately easy category for propagation, especially if you follow a few key steps.
The Best Time to Start
Timing is everything, isn’t it? For Monardella australis, the sweet spot for propagation is generally during its active growing season, which usually means late spring through early summer, after the main flush of blooming has subsided or is winding down. You want to capture the plant’s energy when it’s robust and ready to put on new growth. Avoid trying to take cuttings when the plant is stressed by extreme heat or drought, or when it’s dormant in winter.
Supplies You’ll Need
Don’t worry, you probably have most of these things already! Here’s a quick rundown of what will make your propagation journey smoother:
- Sharp, clean pruning shears or a small, sharp knife: For taking your cuttings. Sterilize them with rubbing alcohol first, please!
- Rooting hormone (optional, but recommended): A good quality powder or gel really can give your cuttings a boost.
- A well-draining potting mix: I like a blend of equal parts peat moss (or coco coir) and perlite, or a commercial cactus and succulent mix. The key is excellent drainage; soggy soil is the enemy of cuttings.
- Small pots or trays: About 3-4 inch pots are usually perfect. Make sure they have drainage holes.
- A clear plastic bag or humidity dome: To create a mini greenhouse effect.
- Water: For watering your cuttings.
- Labels and a pen: Because, trust me, you’ll forget what you planted what!
Propagation Methods
Let’s get our hands dirty! Monardella australis is quite amenable to a couple of methods.
Stem Cuttings
This is my go-to for Monardella australis. It’s straightforward and usually yields great results.
- Select your cutting: Look for healthy, non-flowering stems from your mature plant. You want pieces that are about 4-6 inches long. Gently bend a stem; if it snaps cleanly, it’s likely ready.
- Make the cut: Using your sterilized shears or knife, make a clean cut just below a leaf node (where a leaf attaches to the stem). This is where roots are most likely to form.
- Prepare the cutting: Remove the lower leaves from the cutting, leaving just a few at the top. This prevents them from rotting in the soil. If you’re using rooting hormone, dip the cut end into the powder or gel, tapping off any excess.
- Plant your cutting: Fill your small pots with your well-draining mix. Make a small hole in the center with your finger or a pencil.
- Insert the cutting: Gently place the prepared cutting into the hole, ensuring the leaf nodes you bared are below the soil surface. Firm the soil gently around the stem to hold it upright.
- Water gently: Water the soil thoroughly but gently, allowing excess water to drain away.
- Create humidity: Cover the pot with a clear plastic bag (making sure the leaves don’t touch the inside) or place it under a humidity dome. Prop the bag up with a few small stakes if needed.
- Find a good spot: Place the pot in a bright location with indirect sunlight. Avoid direct sun, which can scorch the delicate cuttings.
Division
If your Monardella australis has formed a nice clump, division is another excellent and often faster way to get new plants.
- Timing is key: Again, spring or early summer is ideal, when the plant is actively growing.
- Gently unpot: Carefully remove the entire plant from its pot or very gently dig it up from the ground.
- Inspect the root ball: You’ll see where the plant has naturally formed multiple crowns or sections.
- Separate the sections: Using your hands or a clean trowel or knife, gently pull or cut the root ball apart into however many sections you desire. Try to ensure each section has healthy roots and at least one growing point (a stem with leaves).
- Pot them up: Plant each division into its own pot filled with your standard well-draining mix.
- Water and settle: Water them in well and place them in a spot with bright, indirect light.
The “Secret Sauce” (Pro Tips)
Here are a few things I’ve learned over the years that can really make a difference:
- Think about airflow: Even though you want to keep your cuttings humid, don’t let them sit in stagnant air. If you’re using a plastic bag, I like to lift the bag off for a few minutes each day to allow for some air exchange. This helps prevent fungal issues.
- Bottom heat is your friend: If you have a really stubborn cutting or if your room is on the cooler side, using a seedling heat mat can significantly speed up root development. Just a gentle warmth from below can make a world of difference.
- Don’t over-water: This is a cardinal rule for nearly all cuttings, and Monardella australis is no exception. Let the top inch of soil dry out slightly between waterings. It’s better to be a little dry than too wet, which leads to rot.
Aftercare & Troubleshooting
Once you start to see new growth or feel a gentle tug when you lightly pull on a cutting, you’re in business!
- Rooted cuttings: Once your cuttings have developed a good root system (you might see them peeking out of the drainage holes or feel resistance when you gently tug), you can gradually acclimate them to less humidity. Start by taking the plastic bag off for longer periods. You can then plant them into slightly larger pots if they’ve outgrown their starter pots. Continue to water them as you would a young plant, ensuring good drainage.
- Divided plants: Treat your divided plants with a little extra care for the first few weeks. Keep them well-watered but not soggy. They should bounce back quickly.
Now, what if things don’t go as planned? The most common sign of failure is rot. Your cutting will likely turn black and mushy, or it might just wilt and never recover. This is almost always due to too much moisture and not enough airflow. If you see rot, unfortunately, that cutting is probably a goner. Don’t get discouraged! Just learn from it and try again, perhaps with less water or more air circulation. Another sign is simply no new growth after a long period. This could mean the cutting didn’t root, or it’s just taking its sweet time. Patience is a gardener’s greatest virtue!
A Encouraging Closing
There you have it! Propagating Monardella australis is a wonderfully accessible way to bring more of this native charm into your life. Remember to be patient with your little green babies. Some will take off right away, while others might surprise you with their slow and steady progress. Enjoy the process, celebrate every little victory with a new root or a tiny new leaf, and soon you’ll have a whole collection of these delightful plants. Happy propagating!
Resource:
https://identify.plantnet.org/k-world-flora/species/Monardella%20australis%20Abrams/data