Rosemary
Salvia rosmarinus
Reclassified from genus Rosmarinus to Salvia in 2017 based on DNA analysis — making rosemary technically a sage, despite 2,000 years of separate culinary identity.
How to care for rosemary
Plant in gritty, alkaline soil and water sparingly — overwatering and humidity are the primary cause of indoor rosemary death. In zones below 7, grow in pots and overwinter in a cool (35-50°F), bright spot.
Garden uses & design ideas
Best garden use
Keep it close to paths, patios, or kitchen doors so harvesting feels easy and the fragrance is part of the garden experience.
Pair it with
Lavender, Thyme, Sage make easy companion choices because they share similar light, water, or visual texture needs.
Layout tip
Match it with full sun exposure, group it with other low-water plants so one irrigation zone can stay lean, and check USDA zones 7-10 before planting. Use the garden planner to test spacing around its mature size: 2-6 ft tall, 2-4 ft wide.
Gardener note — Double-check local invasive, edible, and toxicity guidance with your county extension office before planting around pets, children, or natural areas.
Companion plants
Rosemary grows well alongside these — similar light, water, and texture needs.
Common pests & problems
Where it grows best
Native to Mediterranean basin; thrives in USDA hardiness zones 7-10.
Frequently asked about rosemary
What USDA zones does Rosemary grow in?+
Rosemary is hardy in USDA zones 7-10. Outside these zones, it can usually be grown indoors or as a seasonal annual.
How much sun does Rosemary need?+
Rosemary prefers full sun. Place it where it gets that light most of the day for best growth and flowering.
How often should I water Rosemary?+
Rosemary has low water needs. Allow the soil to dry between waterings. Plant in gritty, alkaline soil and water sparingly — overwatering and humidity are the primary cause of indoor rosemary death. In zones below 7, grow in pots and overwinter in a cool (35-50°F), bright spot.
How big does Rosemary get?+
Rosemary reaches a mature size of 2-6 ft tall, 2-4 ft wide. Growth rate is moderate, so plan spacing accordingly when planting.
What plants grow well with Rosemary?+
Rosemary pairs well with Lavender, Thyme, Sage, Oregano, Olive tree. These companions share similar care requirements and don't compete aggressively for resources.
What pests affect Rosemary?+
Common Rosemary problems include spittlebugs; powdery mildew; root rot. Catching early signs in routine inspection prevents most damage.
When does Rosemary bloom?+
Rosemary blooms in winter to spring in blue-lavender. Deadheading spent flowers (where applicable) often encourages a longer bloom window.
Design a garden with rosemary in minutes
Drag plants into a 3D space, walk through it, or upload a photo and let AI redesign it. Test spacing around its mature size before you plant.
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