Browning and leaf drop can follow overwatering, and poor drainage can lead to root rot. Check the mix and roots before assigning a cause.
How to care for rosemary
Put rosemary in its brightest available window, let the mix dry between waterings, and keep it away from warm drafts.
Find a bright, steady position
Light and temperature
Use the brightest available indoor light for rosemary. Outdoor full-sun guidance and indoor-herb advice both point to a high-light position, but no exact indoor light measurement is established.
Keep potted rosemary in a cool indoor area away from warm drafts, with enough light and some humidity. The indoor response gives no numeric temperature or humidity target.
Check the mix, drainage and pot
Watering, drainage and repotting
Let the potting mix dry between waterings and keep the container freely draining. Rosemary does not tolerate roots that stay wet.
Use a free-draining container medium and avoid waterlogged roots. No exact indoor mix recipe or repotting interval is established.
Feed only during active growth
Fertilizer and active growth
Check the visible signs before changing care
Common problems
Spider mites are an indoor pest concern. The RHS species profile also lists rosemary beetle, leafhopper, scale, tortrix moth, powdery mildew, and root rots.
Use the verdict for this exact plant
Pet safety
Sources
- Royal Horticultural SocietySynonyms; Position; Growing Conditions; Pests; Diseases
- University of Maryland Extension / Ask ExtensionExpert Response; indoor rosemary guidance
- Iowa State University Extension and OutreachBest Herbs for Indoors; The Best Growing Conditions for Indoor Herbs
- ASPCA Animal Poison ControlScientific name; non-toxicity classification
Pet-safety information for catalog plants uses ASPCA reference data where available. It is reference information, not veterinary advice.