Miss Jessop's Upright

Family: Lamiaceae Herb

Breathe in the crisp, resin-bright fragrance of Miss Jessop’s Upright—an aromatic rosemary that grows with a statuesque, upright poise and a dense, needle-fine texture.

Its leaves are richly green and pleasantly pungent, ideal for infusing robust flavor into everyday garden favorites, from roasting aromas to fragrant sauces and pickling brines. A perennial for the patient grower, it delivers steady harvests of fragrant sprigs season after season.

Light: Full SunMaturity: 90 DaysHabit: Upright

Botanical illustration of Miss Jessop's Upright

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

Crop Dates

Milestone	Date
Start Indoors	Mar 14th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 20th
Harvest Begins	Sep 18th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

Miss Jessop’s Upright is all crisp, resin-forward rosemary—needle-fine and aromatic enough to flavor without turning muddy. Use it to drive infusions and braises: it likes heat, and its piney oils cling to fats so every bite tastes freshly perfumed.

Best Uses

woodsy infusions in roasted meats and sheet-pan vegetables
steep-and-reduce sauces (dimensional, not leafy-rough)
garlic-rosemary marinades and braising aromatics
pickling brines where its oils hold up to acidity

Flavor Profile

resin-bright piney aroma peppery, savory pungency needle-fine herb texture that stays assertive when cooked slightly bitter-green finish

Kitchen Pairings

garlic lemon olive oil roasted lamb chicken white beans

Frequently Asked Questions

What pest or disease commonly affects Salvia rosmarinus (Miss Jessop’s Upright) and how can I control it?

Watch for powdery mildew and root rot, especially in humid weather or if the soil stays wet. Improve airflow by spacing plants and water at the base early in the day; remove heavily affected leaves and avoid overhead watering. If you see wilting with soggy soil, let the top 2–3 in (5–7 cm) dry, then adjust watering—Salvia rosmarinus is prone to decline when constantly wet.

How often should I water Salvia rosmarinus during active growth?

During the main growing phase, water deeply only when the top 2 in (5 cm) of soil feel dry to the touch. Aim for roughly 1–2 times per week in summer, less in cool or rainy periods, because Salvia rosmarinus prefers evenly moist-to-dry conditions rather than constant moisture. Mulch lightly to reduce evaporation, but keep mulch pulled back from the crown to prevent dampness.

How do I know when Miss Jessop’s Upright (Salvia rosmarinus) is ready to harvest?

Harvest stems when the plant is in full bloom and the upper flower clusters are just beginning to open—this typically lines up around its ~90-day maturity. For best quality, cut in the morning after dew has dried; pinch back to encourage a second flush. If you’re collecting seed, wait until the flower heads dry on the plant and the seeds look dark and firm before harvesting.