Anthurium andreanum Solara – Yellow Leaves

3 Use a moisture meter to monitor the substrate, ensuring you only water when the top inch of soil is dry to avoid waterlogging.

FoxFarm Grow Big Liquid Plant Food 1 Quart

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Nutrient Deficiency (Nitrogen or Magnesium)

A lack of nitrogen often causes older leaves to yellow uniformly, while magnesium deficiency may present as interveinal chlorosis on the larger leaflets of the Solara cultivar.

Very Common

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How to confirm: Observe if the yellowing is progressing from the oldest bottom leaves toward the new growth.

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1 Apply a balanced liquid fertilizer to address nitrogen and magnesium needs, ensuring the plant receives essential nutrients for chlorophyll production.

0.9 L • 1 pcs

$30

FoxFarm Bush Doctor Cal Mag Liquid Supplement 1 Pint

2 Supplement with a magnesium-rich additive to specifically target interveinal chlorosis if yellowing appears between leaf veins.

0.5 L • 1 pcs • Organic

$22

3 Monitor soil moisture levels using a moisture meter to ensure that nutrient uptake is not being hindered by overwatering or root stress.

SANSI 10W Full Spectrum Gooseneck Grow Light

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Improper Light Intensity

While Anthuriums thrive in bright indirect light, excessive direct sunlight can scorch the tissue, while too little light prevents photosynthesis, leading to chlorosis and leaf drop.

Common

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How to confirm: Check if the yellow patches are accompanied by dry, crispy brown spots which indicate sun scald.

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1 Relocate your Anthurium to a spot that receives bright, indirect sunlight, ensuring it is shielded from harsh, direct afternoon rays that cause scorching.

2 If your indoor space lacks sufficient natural light, supplement with a full-spectrum grow light to maintain healthy photosynthesis.

1 pcs

$19

3 Monitor the soil moisture levels closely, as light fluctuations often impact the plant's water uptake and transpiration rates.

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Temperature Fluctuations or Cold Stress

Anthurium andreanum is a tropical plant that suffers when temperatures drop below 60°F (15°C), triggering a stress response that manifests as yellowing leaf margins.

Common

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How to confirm: Check if the plant is located near a drafty window or an air conditioning vent.

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1 Move your Anthurium to a warmer, draft-free location, ensuring temperatures remain consistently above 60°F (15°C).

2 Monitor soil moisture closely during temperature shifts using a moisture meter to prevent root rot, as cold soil can lead to waterlogged conditions.