SproutSmart
SproutSmart™ Intelligent Garden Sowing

Tuscan Blue

Rosemary
Zone 11a Save Garden

Planting Schedule

Add Tuscan Blue to your garden to build a schedule and get reminders.
Botanical illustration of Tuscan Blue

Tuscan Blue rosemary unfurls with an unmistakably cool, piney fragrance and a silvery-blue cast that catches the light like fine felt. Its narrow, needlelike leaves hold a crisp, resinous bite and stay aromatic as plants mature, making it a standout for fresh sprigs and drying alike. Grow this compact, upright rosemary for bold flavor in herb-forward blends and for fragrant bouquets that keep their character season after season.

Crop Dates

Growing note: In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).
MilestoneDate
Start Indoors—
ClimateFrost-Free Climate
Transplant / Sow OutdoorsOct 1st
Harvest BeginsNov 15th
Harvest EndsFeb 28th

Crop Details

TraitValue
Days to MaturityN/A
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

Today's Conditions

Outdoor planting for Tuscan Blue in Zone 11a typically begins around 2026-10-01. Wait until soil reaches at least 60°F before transplanting Tuscan Blue.

Garden Alerts

In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).

Recommended Companions

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Persian Basil
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Frequently Asked Questions

What pest or disease most commonly affects Salvia rosmarinus (Tuscan Blue), and how can I treat it?
Watch for fungal leaf spot and root rot, especially when plants stay wet or in poorly drained soil. Remove infected leaves, improve airflow around the plants, and water only at the base; if disease is spreading, apply a copper-based fungicide labeled for herbs following the label rate. Prevent recurrence by letting the soil dry slightly between waterings and avoiding overhead watering.
How often should I water Tuscan Blue (Salvia rosmarinus) during active growth, and what soil moisture level should I maintain?
During the main growing season, water deeply about once every 7–10 days, then allow the top 1–2 inches of soil to dry before watering again. Salvia rosmarinus prefers evenly moist early on, but it quickly declines in constantly wet soil—aim for “moist but not soggy.” Use well-draining soil and adjust frequency downward during cool or rainy periods.
Botanical illustration of Tuscan Blue

Tuscan Blue rosemary unfurls with an unmistakably cool, piney fragrance and a silvery-blue cast that catches the light like fine felt. Its narrow, needlelike leaves hold a crisp, resinous bite and stay aromatic as plants mature, making it a standout for fresh sprigs and drying alike. Grow this compact, upright rosemary for bold flavor in herb-forward blends and for fragrant bouquets that keep their character season after season.

Today's Conditions

Outdoor planting for Tuscan Blue in Zone 11a typically begins around 2026-10-01. Wait until soil reaches at least 60°F before transplanting Tuscan Blue.

Garden Alerts

In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).

Sowing Tips

Soil Temperature

Direct sow or transplant when soil at planting depth holds 60°F for reliable germination and early growth.

Expert Note

Grow rosemary in a warm, sunny spot with excellent drainage; avoid overwatering and transplant only after nights stay reliably warm.