SproutSmart
SproutSmart Intelligent Garden Sowing

Spice Island

Family: Lamiaceae Herb

Planting Schedule

Add Spice Island to your garden to build a schedule and get reminders.

Breathe in the resinous, pine-kissed fragrance of ‘Spice Island’ Rosemary—an aromatic herb with a bold, clean bite that feels vivid even before it’s gathered.

At maturity, its narrow, deep green needles hold their shape and sheen, offering a supple, evergreen texture that’s especially prized for fragrance-forward flavoring in the garden. Grow ‘Spice Island’ for standout aromatic presence in dried bundles, herb blends, and flavorful infusions—an enduring perennial that keeps the landscape fragrant long after planting.

Light: Full SunMaturity: 90 DaysHabit: Upright

Botanical illustration of Spice Island

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsMar 14th
Last FrostApr 25th
Transplant / Sow OutdoorsJun 6th
Harvest BeginsSep 4th
Harvest EndsOct 16th

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

Culinary Notes


Chef's Note

Spice Island rosemary hits like a clean pine-resin whiff—use it with confidence, then let heat tame the edge so it reads more sweet-fragrant than sharp. It’s especially made for infusions and dry-rub situations where its perfume can stay front-of-house without fading.

Best Uses

  • roasting and pan-basting (whole sprigs) for high-impact, woodsy aroma
  • chopping into herb rubs and dry blends for lamb and chicken
  • steeping for infused oil or vinegar that stays crisp instead of muddy
  • drying and grinding into long-lasting seasoning for stocks and braises

Flavor Profile

resinous pine brightness sharp, clean herbal bite needle-fine fragrance that turns sweet and mellow when heated dry, lightly peppery finish

Kitchen Pairings

olive oil lemon lamb chicken butter

Frequently Asked Questions


How do I manage powdery mildew on Salvia rosmarinus (Spice Island) in summer?
Powdery mildew shows up as a white, powdery coating on leaves and stems, often when plants stay too damp or airflow is poor. Water at the base, space plants so leaves don’t touch, and remove badly affected shoots early. If it keeps returning, spray with a label-approved sulfur or potassium bicarbonate product and repeat as directed, avoiding treatments during hot afternoons.
How often should I water Spice Island (Salvia rosmarinus) during active growth?
In the main growing phase, keep soil lightly moist but not wet—water when the top 1 inch of soil feels dry. Aim for deep watering (so moisture reaches the root zone), then let the soil dry down slightly again; Salvia rosmarinus prefers drier conditions and will struggle in persistently soggy soil. If growing in containers, check more frequently because pots dry faster.
When is Salvia rosmarinus (Spice Island) ready to harvest, and how should I harvest?
Harvest once plants are well established (typically around 90 days) and actively producing new growth, especially when leaves are fully developed and aromatic. Cut stems in the morning and take no more than about one-third of the plant at a time to keep it producing. Lightly remove spent tips to encourage fresh flushes for continued harvest.