SproutSmart
SproutSmart Intelligent Garden Sowing

Salem

Rosemary
Botanical illustration of Salem
🌱 90d to harvest Upright

Fragrant as a sun-warmed stone wall, Salem Rosemary releases a crisp, resinous pine-citrus aroma with every touch—its flavor brig…

Planting Schedule

Add Salem to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsDec 5th
Last FrostJan 16th
Transplant / Sow OutdoorsJan 9th
Harvest BeginsApr 9th
Harvest EndsDec 19th

Crop Details

TraitValue
Days to Maturity90
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10

Frequently Asked Questions


Salvia rosmarinus (Salem) — what pest or disease should I watch for, and how do I treat it?
The most common issue is powdery mildew, which shows up as a white, dusty coating on leaves during humid stretches and crowded growth. Improve airflow by spacing plants and watering at the soil line, then remove the worst leaves; if needed, spray a labeled horticultural sulfur product early in the morning and repeat according to label directions.
How often should I water Salvia rosmarinus during its main growing phase?
Water deeply but infrequently to keep soil lightly moist without staying wet—typically about 1–2 times per week depending on heat. Let the top 1–2 in (2–5 cm) of soil dry before watering again, since rosemary-type salvias (Salvia rosmarinus) struggle if roots sit in constantly damp soil.
How can I tell when Salem (Salvia rosmarinus) is ready to harvest?
Begin harvesting once plants are well established (around 60–90 days) and the stems have multiple sets of leaves, with new growth showing vigorous branching. Harvest sprigs before flowering or just as buds form for best leaf flavor; if you wait until full bloom, stems become more woody and the leaves are less tender.
Botanical illustration of Salem

Fragrant as a sun-warmed stone wall, Salem Rosemary releases a crisp, resinous pine-citrus aroma with every touch—its flavor brightens from herbal to gently woodsy as the plant matures. Expect narrow, needlelike leaves with a supple, leathery snap and a deep green sheen that holds its character through the season. Grow Salem for aromatic bundles, fragrant foliage for drying, and bold, steady presence in herb beds and containers—an enduring perennial that keeps your garden smelling alive.

Sowing Tips

Transplant Conditions

Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 10 days first.

Expert Note

Harden off gently and transplant only when nights are consistently warm; rosemary hates cold wet soil more than it hates slightly delayed planting.