Brown tips can follow too little water, wet mix when leaf water loss exceeds root uptake, hard water, root stress, dry air, and heat. Brown tissue does not establish drought or nutrient deficiency.
Gardenia brown tips
Check the root mix and air conditions before watering. Brown or dry Gardenia jasminoides tips can follow dry roots, waterlogged roots, hard water, dry air, heat, or salt buildup.
Check the leaves, stems and pot
What kind of brown mark is it?
Record brown or dry tissue at leaf tips or edges. Note whether it is crisp, spreading, spotted, or paired with whole-leaf yellowing.
Check mix dryness or waterlogging, recent hard-water use, humidity, heat or direct sun, salt buildup, roots, and pests. Note whether older leaves or new growth are affected.
Use the visible signs to choose the next check
Possible causes and next checks
Check the root zone before watering, restore an evenly damp mix without saturation, improve humidity, shelter from hot dry air, and use rainwater when hard water contributes to acidic-medium problems. Do not add fertilizer solely because a tip is brown.
Watch for new damage or recovery
What to watch on new leaves
Recheck new leaves, spread of brown tissue, root-zone condition, and humidity after one matched change. Judge improvement by new growth rather than old damaged tips.
Do not diagnose from one sign alone
What brown tips cannot tell you
Sources
- Royal Botanic Gardens, Kew, Plants of the World OnlineSpecies record
- Royal Horticultural SocietyProblems: Browning leaves and wilting
- Royal Horticultural SocietyAppearance, causes and control
- University of Florida IFAS ExtensionCultural requirements