Prostratus

Rosemary

Zone 9b Save Garden

🌱 365d to harvest Spreading

Fragrant, resinous rosemary needles spill a deep evergreen perfume with every touch, forming a low, trailing mound that looks as …

Crop Dates

Milestone	Date
Start Indoors	Dec 29th
Last Frost	Feb 9th
Transplant / Sow Outdoors	Feb 9th
Harvest Begins	Feb 9th
Harvest Ends	Dec 9th

Crop Details

Trait	Value
Days to Maturity	365
Sun Requirements	Full Sun
Growth Habit	Spreading
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	50
Min Night Temp (°F)	40
Harden Off (days)	7

Recommended Companions

Red Wethersfield Onion

Red Marble Onion

Inca II Marigold

Red Bull F1 Onion

Texas Early Grano Onion

Candy Onion

Frequently Asked Questions

What pest or disease commonly affects Salvia rosmarinus ‘Prostratus’, and what should I do first?

In humid conditions, prostrate rosemary (Salvia rosmarinus ‘Prostratus’) often develops fungal leaf spots and can suffer from root rot. Remove and discard any yellowing or spotted stems, improve airflow around the plant, and avoid wetting the foliage when watering. If the base stays soggy, cut back watering and ensure fast drainage; for persistent leaf-spot outbreaks, use a copper-based fungicide label-safe for edible herbs.

How often should I water Salvia rosmarinus ‘Prostratus’ during active growth, and how do I know the soil moisture is right?

During the main growing period, water only when the top 1–2 inches of soil are dry, because Lamiaceae herbs like rosemary dislike consistently wet roots. When you water, soak deeply so moisture reaches the root zone, then let it dry down again before the next watering. In containers, check more frequently—allow excess water to drain completely and never leave the pot sitting in a saucer of water.

How can I tell when Salvia rosmarinus ‘Prostratus’ is ready to harvest?

Start light harvesting once the plant has formed sturdy, well-developed shoots and the leaves are fully sized and aromatic, usually after it’s established rather than at a single day count. For best flavor, harvest in the morning before the heat of the day and avoid pulling more than about one-third of the growth at a time. The plant is at peak harvest readiness when new growth is fresh and green and the stems snap slightly rather than bending limp.

Fragrant, resinous rosemary needles spill a deep evergreen perfume with every touch, forming a low, trailing mound that looks as elegant as it smells. Prostratus grows with a prostrate habit and dense, fine foliage—ideal for fresh sprigs that perfume the air, and for drying or roasting to carry its bold, piney character into savory preparations. Let this trailing rosemary become your garden’s living scent—an ornamental herb that rewards the senses season after season.

Sowing Tips

Transplant Conditions

Wait until soil reaches 50°F and nights stay above 40°F before moving outdoors. Harden off for 7 days first.

Expert Note

For best establishment, harden off and transplant after frost when nights are consistently mild, then avoid overwatering—rosemary hates wet feet.