Intrigued by the fascinating world of epiphytes? Staghorn ferns, native to locations like Australia, are truly unique. Their propagation, especially how to separate staghorn fern, becomes easier with understanding the right techniques and the use of suitable gardening tools. This is a process that will result to propagation that the American Horticultural Society would admire. This step-by-step guide will uncover the secrets for how to separate staghorn fern easily!

Image taken from the YouTube channel LogeesPlants , from the video titled How to Divide and Mount a Staghorn Fern (Platycerium andinum) .
Unlocking the Secrets: How to Separate Staghorn Ferns Easily!
So you have a magnificent staghorn fern that’s grown beyond its bounds and you’re wondering how to separate staghorn fern? Don’t worry! It might seem daunting, but with the right approach, you can successfully divide your plant and create multiple beautiful specimens. This guide will walk you through the process step-by-step.
Understanding Staghorn Fern Growth & When to Divide
Before diving into the separation process, it’s helpful to understand how staghorn ferns grow. They aren’t like typical potted plants; they’re epiphytes, meaning they naturally grow on other surfaces like trees. They develop two types of fronds:
- Basal Fronds (Shield Fronds): These flat, roundish fronds attach the fern to its mount and are responsible for absorbing nutrients and water. They will eventually turn brown and papery, but don’t remove them – they provide support and nourishment.
- Fertile Fronds (Antler Fronds): These are the dramatic, forked fronds that give the staghorn its name. They produce spores for reproduction.
The best time to divide your staghorn fern is during the spring or early summer when the plant is actively growing.
Signs Your Staghorn Fern is Ready for Division:
- Overcrowding: The plant has outgrown its mount and the shield fronds are overlapping significantly.
- Multiple "Pups": You can clearly see several distinct plants or "pups" growing from the base.
- Stagnant Growth: The fern’s growth seems to have slowed down, potentially due to limited space or nutrient availability.
Preparing for the Separation Process
Proper preparation is key to a successful separation!
Gathering Your Tools:
- Sharp Knife or Pruning Saw: Ensure it’s clean and sterilized to prevent the spread of disease.
- Gloves: Protect your hands from potential irritants.
- New Mounting Material: Cedar planks, tree fern slabs, or even repurposed wood.
- Sphagnum Moss: Provides a moisture-retentive base for the fern to attach to the new mount.
- Fishing Line or Plant Tie: Used to secure the fern to the mount.
- Optional: Rooting Hormone: Can encourage faster root growth.
Preparing the New Mount:
Before you separate the fern, prepare the new mount(s) so the plant can be attached immediately.
- Soak the sphagnum moss in water. Squeeze out the excess.
- Spread a layer of sphagnum moss evenly across the mounting material. This is where the back of the fern will sit.
- Ensure you have your fishing line or plant ties ready to go. Pre-cut lengths will save time.
Step-by-Step Guide: Separating Your Staghorn Fern
Now for the exciting part! Follow these steps carefully.
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Assess the Plant: Carefully examine the staghorn fern to identify natural divisions. Look for distinct "pups" with their own root systems (however small they may be).
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Carefully Remove the Fern: Gently detach the staghorn fern from its current mount. If necessary, use your knife or pruning saw to carefully cut through any remaining attachments. Try to minimize damage to the basal fronds.
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Divide the Plant: This is where the sharp knife or saw comes in handy. With the plant removed, carefully separate the individual "pups". Aim to keep as much of the basal fronds and any existing roots intact as possible. If the pups are tightly interwoven, use the tool to gently separate them.
- Important: Don’t be afraid to cut through the brown, papery shield fronds if necessary. They’re old and dead and it’s better to get a clean separation.
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Attach the Separated Ferns to the New Mounts: Place each separated staghorn fern pup onto the prepared mount, ensuring the back of the plant is in contact with the sphagnum moss.
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Secure the Fern: Use the fishing line or plant ties to firmly attach the fern to the mount. Be gentle and avoid crushing the fronds. You want to secure it tightly enough so it doesn’t wiggle, but not so tightly that you damage the plant.
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Optional: Apply Rooting Hormone: If desired, lightly dust the cut surfaces with rooting hormone to stimulate root growth.
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Water Thoroughly: After mounting, thoroughly water the fern.
Caring for Your Newly Separated Staghorn Ferns
The first few weeks after separation are crucial.
Watering:
- Water regularly, allowing the sphagnum moss to dry out slightly between waterings.
- A good method is to soak the entire mount in water for 15-20 minutes, then let it drain completely.
Light:
- Provide bright, indirect light. Avoid direct sunlight, which can scorch the fronds.
Humidity:
- Staghorn ferns prefer high humidity. Mist the plant regularly or place it in a humid environment.
Fertilizing:
- Feed your staghorn fern with a balanced liquid fertilizer diluted to half strength every 2-4 weeks during the growing season (spring and summer).
- Reduce or stop fertilizing during the winter months.
Troubleshooting Common Issues
Even with the best care, you might encounter a few issues. Here are some common problems and how to address them:
Issue | Possible Cause | Solution |
---|---|---|
Yellowing Fronds | Overwatering, Underwatering, or Nutrient Deficiency | Adjust watering schedule, check for root rot, fertilize with a balanced fertilizer. |
Brown Tips | Low Humidity or Salt Buildup from Fertilizer | Increase humidity, flush the plant with water to remove excess salts, use rainwater if possible. |
Slow Growth | Insufficient Light or Nutrient Deficiency | Move to a brighter location, fertilize regularly during the growing season. |
Pests (Scale, etc.) | Infestation | Isolate the plant, treat with insecticidal soap or neem oil. |
With patience and proper care, your newly separated staghorn ferns will thrive and bring you years of enjoyment!
FAQs: Separating Staghorn Ferns
Have questions about dividing your staghorn fern? Here are some answers to help you successfully propagate your plant.
Why would I want to separate a staghorn fern?
Separating a staghorn fern allows you to propagate new plants from offsets (pups) that naturally grow around the base of the mother plant. This is a simple way to expand your collection or share with friends! Learning how to separate staghorn fern effectively gives you more of these amazing plants.
When is the best time to separate staghorn fern pups?
The ideal time is during the warmer months, spring or summer, when the fern is actively growing. This gives the new pups the best chance to establish themselves quickly after being separated.
What’s the key to successfully separating a staghorn fern?
The most important thing is to gently detach the pup with some of its own root system intact. Avoid tearing or damaging the roots of either the pup or the mother plant. This ensures both the separated pup and original plant recover and thrive.
Can I separate a very small staghorn fern pup?
It’s best to wait until the pup is at least 4-6 inches in diameter before attempting to separate it. Smaller pups may not have a well-developed root system, making successful separation and establishment more challenging. Knowing how to separate staghorn fern involves understanding the right timing based on the pup’s maturity.
So, what are you waiting for? Get out there and give how to separate staghorn fern a try! You’ll be surprised how rewarding it is!