Photo by Melody

PlantFiles: Rosemary
Rosmarinus officinalis 'Irene'

Family: Lamiaceae (lay-mee-AY-see-ee) (Info)
Genus: Rosmarinus (rose-ma-REE-nus) (Info)
Species: officinalis (oh-fiss-ih-NAH-liss) (Info)
Cultivar: Irene
Additional cultivar information: (PP09124, aka Renzels)
Hybridized by Johnson; Year of Registration or Introduction: 1994

2 vendors have this plant for sale.

4 members have or want this plant for trade.


12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

18-24 in. (45-60 cm)

USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun


Bloom Color:

Bloom Time:
Mid Summer


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:

Propagation Methods:
From semi-hardwood cuttings
From hardwood heel cuttings
By simple layering
By stooling or mound layering

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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By bootandall
Thumbnail #1 of Rosmarinus officinalis by bootandall

By KillerChihuahua
Thumbnail #2 of Rosmarinus officinalis by KillerChihuahua

By KillerChihuahua
Thumbnail #3 of Rosmarinus officinalis by KillerChihuahua


No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral BajaBlue On May 9, 2009, BajaBlue from Rancho Santa Rita, TX (Zone 8a) wrote:

This rosemary cultivar, "Irene " is considered a trailing type, good for hanging baskets, in footed urns, or hanging over edges of walls or drooping over things, etc.

But beware : all rosemaries are thirsty little boogers, so if it is in a hanging basket or in a pot, moisure needs to be monitored and adeqquiately watered or the plant will quickly dry out nd not recover.

They are happiest in the ground.

They originated in a mediterranean climiate and do best in similar


This plant has been said to grow in the following regions:

Fort Lauderdale, Florida
Merritt Island, Florida
Atlanta, Georgia
Houston, Texas
Spring, Texas

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