Growing Rosemary in Zone 10A

Rosemary is a woody, perennial herb in warm climates and a fragrant container plant in cold ones.

Zone 10A has a very long growing season with mild winters. Many crops can be grown nearly year-round with successive plantings.

Top Growing Tips

• Perennial in zones 8+ — treat as annual or bring indoors in colder zones
• Needs excellent drainage — hates wet feet
• Start from cuttings or transplants (very slow from seed)
• Drought-tolerant once established
• Prune regularly to prevent woody, leggy growth

Companion Planting

Good companions: beans, cabbage, carrots, sage

Avoid planting near: none in particular

Harvest Timeline

Snip sprigs anytime once plants are 6+ inches

About Zone 10A

USDA Hardiness Zone 10A has an average last spring frost around Feb 1 and first fall frost around Dec 20. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.