This fern was found at the grocery store store. It was sitting in a pot that doesn’t drain and holds water. In this video, learn why it would have eventually died if it hadn’t been rescued. In the video, the plant is repotted in the correct size pot.
#healthyhouseplants #houseplantcare #rootrotprevention #indoorplants #plantrescue
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Today, I’m going to show you a plant that I rescued from near demise. At first glance, this Japanese Asplenium nidus fern looks great—its foliage is vibrant and healthy. However, there are two major problems that would have quickly led it to root rot if left as-is.
Problem #1: Incorrect pot size.
The plant was potted in a container far too large. It’s closer to a one-third plant to two-thirds pot ratio, whereas you ideally want two-thirds plant to one-third pot to prevent excess wet soil.
Problem #2: No drainage hole.
This pot did not have a drainage hole, which is a major issue. In addition, I discovered that the green pot was actually an outer pot. Inside was a smaller pot sitting in a puddle of water—something many buyers never realize. Excess water can sit for days or weeks, greatly increasing the risk of root rot.
As I explain in my root rot playlist, a plant can look perfectly healthy when purchased, even after being in oversaturated soil for a long time. Root rot takes time to set in.
To help this fern, I removed it from the outer pot and inspected the roots. The soil fell away easily—often a sign that the root system is small relative to the soil volume. However, this fern did have a decent number of fine roots, enough to transition it into a more appropriate pot size.
I placed it into a smaller pot that also complements the lime green foliage. Even removing a small amount of overly wet soil greatly reduces the risk of rot. Since the soil appears fresh, I am not repotting it fully at this time.
If you’re concerned about chemical fertilizers used by growers, you can leach the soil, flushing it with water to remove excess fertilizer, and then re-inoculate with a high-quality organic fertilizer like my Green Gourmet Houseplant Food (link below).
This new pot has a proper drainage hole, giving the plant a much better chance of surviving and thriving.
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Frequently Asked Questions
Why was the Asplenium nidus fern at risk of root rot?
The plant was placed in an oversized pot without a drainage hole. Excess wet soil and standing water in the outer pot created ideal conditions for root rot.
What is the ideal pot-to-plant ratio?
You should aim for a two-thirds plant to one-third pot ratio. Too much soil retains excess moisture and increases the risk of root rot.
Why is a drainage hole necessary?
A drainage hole allows excess water to escape, preventing stagnant moisture from accumulating around the roots.
How can I tell if a plant’s roots are healthy after removing it from the pot?
If soil falls away easily and roots appear small or sparse, the plant may be in too large a pot. Healthy roots should be firm and visible throughout the soil.
What is leaching and why should I do it?
Leaching involves flushing water through the soil to remove built-up chemical fertilizers. It helps prevent nutrient burn and prepares the plant for organic feeding.
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