Nandina domestica Yellow Leaves - Causes & Fixes

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Nitrogen Deficiency

Nandina domestica requires consistent nitrogen for chlorophyll production; a lack of this nutrient causes older leaves to turn pale yellow. This is particularly common in sandy soils where nutrients leach quickly.

Very Common

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How to confirm: Observe if the yellowing begins on the bottom, oldest leaves while newer growth remains green.

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1 Apply a nitrogen-rich organic fertilizer to the soil to restore chlorophyll production and green up the foliage.

Back to the Roots Blood Meal & Gypsum (4 Pack)

Organic Fertilizer

$40

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2 Incorporate organic matter like worm castings into the soil to improve nutrient retention and prevent future nitrogen leaching.

Back to the Roots Organic Worm Castings 5lb

Worm Castings

$17

In Stock

3 Mulch the base of the plant with organic compost to help stabilize soil nutrients and moisture levels.

Coast of Maine Quoddy Blend Lobster & Crab Compost

28.3 L • Compost Blend

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Overwatering and Root Suffocation

Excessive moisture in heavy clay soils can lead to anaerobic conditions, causing root rot. This prevents the Nandina from transporting water and nutrients upward, resulting in overall yellowing of the foliage.

Very Common

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How to confirm: Stick your finger two inches into the soil; if it feels saturated and smells sour, reduce watering frequency.

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1 Immediately reduce watering frequency and allow the top inch of soil to dry out completely before watering again to prevent further root suffocation.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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2 Repot the Nandina into a well-draining medium by mixing in horticultural perlite to improve aeration and prevent anaerobic conditions.

3 Inspect the root system for any mushy, dark, or foul-smelling roots; prune away any rot using sterilized tools to stop the spread of decay.

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Iron Chlorosis

In high-pH (alkaline) soils, Nandina cannot effectively absorb iron. This typically presents as interveinal chlorosis, where the leaf tissue turns yellow but the veins remain dark green.

Common

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How to confirm: Check if the yellowing pattern follows a distinct vein structure on the leaf surface.

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1 Lower the soil pH by applying an acidifying amendment to make iron more bioavailable to the roots.

FoxFarm Happy Frog Acid Loving Plant Fertilizer

Organic

$22

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2 Apply a chelated iron supplement or a specialized fertilizer to provide immediate iron uptake.

FoxFarm Bush Doctor Cal Mag Liquid Supplement 1 Pint

0.5 L • 1 pcs • Organic

$22

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3 Monitor soil moisture levels using a moisture meter to ensure the plant is not experiencing water stress, which can exacerbate chlorosis symptoms.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

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Seasonal Acclimation or Temperature Stress

Nandina foliage color changes significantly with temperature; sudden extreme heat or a transition from winter to spring can cause temporary yellowing as the plant adjusts its metabolic rate.

Common

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How to confirm: Check if the yellowing coincides with recent extreme weather shifts or seasonal transitions.

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1 Monitor soil moisture levels closely to ensure the plant is not experiencing drought stress during this temperature transition.