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Why Are The Edges of My Stromanthe Triostar's Leaves Browning?
The Stromanthe Triostar is an enchanting plant, perfect for tabletops and inspiring workspaces, with long leaves variegated in striking magenta, cream, and emerald green. Given that gorgeous foliage, it's understandable to be concerned when the edges start to brown. Here's the likely cause and the simple adjustments that will restore your Triostar to health.
At Léon & George, our master gardeners have spent nearly a decade growing premium plants and helping thousands of plant parents nationwide, so the guidance here comes straight from hands-on experience.
Underwatering
If the edges of your Triostar's leaves are crispy and brown, underwatering is the most likely cause. Remedy it by bottom watering: place the plant, still in its plastic nursery pot, in a dish with at least an inch of water for a few hours so it can pull up the moisture it needs. Then let the excess drain before returning it to its ceramic pot.
Lack of Moisture in the Air
If the leaves look withered and brown, the air around the plant may simply be too dry. Stromanthe Triostars are tropical and love humidity. Add regular misting to your routine, and check whether the plant sits near an AC unit, heater, or vent, all of which cause dryness. Move it away from any such appliance, and consider a pebble tray or humidifier.
Water Quality
Like its prayer-plant relatives, the Stromanthe can be sensitive to minerals and chlorine in tap water, which contribute to browning edges over time. If your tap water is hard, switch to filtered water or leave water out overnight before using it. Trim crispy edges with clean scissors to keep the plant looking its best.
Frequently Asked Questions
Why are the edges of my Stromanthe leaves browning?
Browning edges are usually caused by underwatering or dry air. Keep the soil evenly moist, raise the humidity with misting or a humidifier, and keep the plant away from vents and heaters.
Should I cut the brown edges off my Stromanthe?
Yes, you can trim crispy brown edges with clean scissors, following the leaf's natural shape. Fixing the watering and humidity will stop new browning from forming.
How do I bottom water a Stromanthe?
Set the plant, in its nursery pot, in a dish with about an inch of water for a few hours so it draws moisture up through the roots, then let it drain fully before returning it to its decorative pot.
Does hard water cause brown edges on Stromanthe?
It can. Stromanthe Triostars are sensitive to minerals and chlorine in tap water. If your water is hard, using filtered water or water left out overnight can help prevent browning edges.