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The Problem

Few greenery test a person’s perseverance like ferns. One day they’re full of life; the next they appear similar to tumbleweed left on a radiator. Fern leaves dry out at the first hint of low humidity, and once they become discolored, many think it’s the end.

This Trick

Place the plant inside a clear plastic bag – however leave it open as it still needs air circulation – and position it in bright but indirect light.

Indoor Plant Clinic: what causes a white layer on my potting mix?

The Explanation

The bag creates a small greenhouse, trapping humidity around the plant. Consider it mimicking the tropical environment – the moist mini-environment where ferns thrive. It doesn’t water the plant for you, but it significantly reduces moisture loss and encourages delicate young leaves to open up.

The Experiment

I tried this technique on a common fern that seemed beyond saving. Following a week and a half in its misty cocoon the soil was still damp and tiny new shoots started emerging. Within a few weeks, the plant was noticeably thicker and greener.

This Verdict

This isn’t a instant solution and some fronds might drop a few leaves along the way, but the plastic bag method can truly rescue a fern on the brink. At no expense, it’s among the top effective resuscitation methods out there.