Basil Problems: Causes & Quick Fixes
Quick answer
Basil is prone to 32 common issues - each link below is a plant-specific fix guide.
Basil problems
Use the guides below to diagnose and fix common issues on Basil. Each problem page explains why it happens on this species and what to do first.
Or use our problem diagnosis tool to narrow down symptoms.
Common problems on Basil
Root Rot
MediumLikely cause: Overwatering in cool or dim conditions causing damping off (fungal stem collapse at soil level).
Quick fix: Improve drainage, reduce watering, ensure 6+ hours sun, good air circulation.
Full fix guide →Leggy Growth
MediumLikely cause: Insufficient light causing weak, stretched growth with poor flavour.
Quick fix: Move to full sun position - 6+ hours daily. Pinch back leggy stems.
Full fix guide →Yellow Leaves
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Brown Tips
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Overwatering
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Underwatering
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Spider Mites
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Mealybugs
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Aphids
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Slow Growth
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Wilting
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Drooping Leaves
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Low Humidity
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Not Enough Light
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Fungus Gnats
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Mold on Soil
MediumLikely cause: Common on this plant type; confirm with recent watering, light, and root checks.
Quick fix: Inspect the plant and correct the most likely care stressor before stacking treatments.
Full fix guide →Curling Leaves
MediumLikely cause: Common curling leaves pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Brown Leaves
MediumLikely cause: Common brown leaves pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Black Spots
MediumLikely cause: Common black spots pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Holes in Leaves
MediumLikely cause: Common holes in leaves pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Pale Leaves
MediumLikely cause: Common pale leaves pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Distorted Leaves
MediumLikely cause: Common distorted leaves pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Scale Insects
MediumLikely cause: Common scale insects pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Thrips
MediumLikely cause: Common thrips pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Whiteflies
MediumLikely cause: Common whiteflies pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Leaf Miners
MediumLikely cause: Common leaf miners pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Caterpillars
MediumLikely cause: Common caterpillars pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Nitrogen Deficiency
MediumLikely cause: Common nitrogen deficiency pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Iron Deficiency
MediumLikely cause: Common iron deficiency pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Magnesium Deficiency
MediumLikely cause: Common magnesium deficiency pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Potassium Deficiency
MediumLikely cause: Common potassium deficiency pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →Calcium Deficiency
MediumLikely cause: Common calcium deficiency pattern on Basil under indoor care stress.
Quick fix: Inspect roots, watering, light, and pests; adjust one variable and monitor new growth.
Full fix guide →