Miss Jessop's Upright

Family: Lamiaceae Herb

Planting Schedule

Provide your location or planting zone to unlock dates and add Miss Jessop's Upright to a garden.

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

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Miss Jessop's Upright Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	May 4th	Aug 10th	Nov 8th – Jul 15th
Zone 1b	Apr 20th	Jul 27th	Oct 25th – Aug 1st
Zone 2a	Apr 13th	Jul 20th	Oct 18th – Aug 29th
Zone 2b	Apr 3rd	Jul 10th	Oct 8th – Aug 25th
Zone 3a	Apr 3rd	Jul 10th	Oct 8th – Sep 1st
Zone 3b	Apr 7th	Jul 14th	Oct 12th – Sep 21st
Zone 4a	Apr 3rd	Jul 10th	Oct 8th – Sep 24th
Zone 4b	Apr 1st	Jul 8th	Oct 6th – Sep 27th
Zone 5a	Mar 27th	Jul 3rd	Oct 1st – Sep 30th
Zone 5b	Mar 23rd	Jun 29th	Sep 27th – Oct 5th
Zone 6a	Mar 20th	Jun 26th	Sep 24th – Oct 10th
Zone 6b	Mar 14th	Jun 20th	Sep 18th – Oct 16th
Zone 7a	Mar 9th	Jun 15th	Sep 13th – Oct 20th
Zone 7b	Feb 27th	Jun 5th	Sep 3rd – Oct 28th
Zone 8a	Feb 18th	May 27th	Aug 25th – Nov 5th
Zone 8b	Feb 9th	May 18th	Aug 16th – Nov 12th
Zone 9a	Jan 23rd	May 1st	Jul 30th – Nov 26th
Zone 9b	Dec 29th	Apr 6th	Jul 5th – Dec 9th
Zone 10a	—	Oct 1st	Dec 30th – Feb 28th
Zone 10b	—	Oct 1st	Dec 30th – Feb 28th
Zone 11a	—	Oct 1st	Dec 30th – Feb 28th
Zone 11b	—	Oct 1st	Dec 30th – Feb 28th
Zone 12a	—	Oct 1st	Dec 30th – Feb 28th
Zone 12b	—	Oct 1st	Dec 30th – Feb 28th
Zone 13a	—	Oct 1st	Dec 30th – Feb 28th
Zone 13b	—	Oct 1st	Dec 30th – Feb 28th

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.