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Rosemary (Officinalis)

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Rosemary (Officinalis)

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The Rosemary (Officinalis) is generally described as a perennial subshrub or shrub. This is not native to the U.S. (United States) and has its most active growth period in the spring and summer . The Rosemary (Officinalis) has dark green foliage and inconspicuous blue flowers, with a moderate amount of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the mid spring, with fruit and seed production starting in the spring and continuing until summer. Leaves are retained year to year. The Rosemary (Officinalis) has a long life span relative to most other plant species and a moderate growth rate. At maturity, the typical Rosemary (Officinalis) will reach up to 5 feet high, with a maximum height at 20 years of 5 feet.

The Rosemary (Officinalis) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, cuttings, seed. It has a slow ability to spread through seed production and the seedlings have medium vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -3°F. has high tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Moderate
General Type Subshrub, Shrub
Growth Period Spring, Summer
Growth Duration Perennial
Lifespan Long
Plant Nativity Introduced to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Mid Spring
Displays Fall Colors No
Shape/Growth Form Multiple Stem
Drought Tolerance High
Shade Tolerance Intolerant
Height When Mature 5
Vegetative Spread None
Flower Color Blue
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Spring Summer
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Cuttings, Seed
Moisture Requirements Low
Cold Stratification Required No
Minimum Temperature -3
Soil Depth for Roots 14
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability Yes
Responds to Coppicing No
Growth Requirements
pH Range 5–7.5 pH
Precipitation Range 14–14 inches/yr
Planting Density 2700–4850 indiv./acre
Soil Textures Coarse, Medium
Soil Depth for Roots 14
Minimum Frost-Free Days 200 day(s)
Salinity Tolerance Medium
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention Yes
Palatability Low
Fire Resistant No
Causes Livestock Bloating None

Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA

Plant Name Synonyms
  • Rosmarinus officinalis var. prostratus
Plant Distribution
can be found in California, North Carolina, Oregon, PR, South Carolina, Texas