Rosmarinus officinalis Irene

Irene Rosemary

Irene is the best spreading Rosemary notable for its profuse display of bright blue flowers. The plant has a nice mounding habit and cascades gracefully over rocks, walls and raised beds. Drought resistant/drought tolerant plant (xeric).
Zones8 - 10
Advantages
Bee Friendly
Deer Resistant
Rabbit Resistant
Low Maintenance
Fragrant
Good For Cut Flowers
Good For Containers
Evergreen
Plants For Small Spaces
Edible
Light Requirements
Full Sun
Annual Rainfall
Less than 10" (with irrigation)
10 to 20"
20 to 30"
30 to 40" (with care)
Mature Height12-24" tall
Mature Spread4' wide
Bloom TimeLate spring to early summer
SizeNo
SKU82674

USDA Hardiness Planting Zones

To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

  • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
  • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

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SKU
82674

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Details
12-24" tall x 4' wide (cutting propagated). This is a superior selection of Rosemary "Prostratus" discovered by Phillip Johnson. He spotted it as a volunteer seedling in a northern CA landscape. "Irene" has nice medium green leaves and a low mounding habit with branches that will trail over walls and containers. Its strong blue-violet flowers come into color in early spring and are the highlight of this plant as they are larger, bluer and more profuse than any other trailing Rosemary. Fantastic for pots and hanging baskets! (cv:Renzels' P.P 9124)

Learn More About Waterwise Perennial Herbs

More Information
SKU82674
Common Name
Irene Rosemary
Botanical Name
Rosmarinus officinalis Irene
Zones
8, 9, 10
Light Requirements
Full Sun
Mature Height
12-24" tall
Mature Spread
4' wide
Bloom Time
Late spring to early summer
Ships As
Potted Plant
Evergreen Foliage
Yes
Soil Moisture
Drought Resistant / Waterwise
Amount Of Rain
Less than 10" (with irrigation), 10 to 20", 20 to 30", 30 to 40" (with care)
Advantages
Bee Friendly, Deer Resistant, Rabbit Resistant, Low Maintenance, Fragrant, Good For Cut Flowers, Good For Containers, Evergreen, Plants For Small Spaces, Edible
Ideal Region
Anywhere In The US, Hot Desert, Coastal California
Planting Time
Spring / Summer, Fall
Neonicotinoid Free
Item Unit Of Measure
Plant
Ships To Canada
No
Planting Guides
To get established in USDA zones 5 & 6, Rosemary must be planted in spring or early summer, not in the fall. Protect your new plants over their first winter or two in your garden. Cover each plant with a generous pile of clean straw or pine needles. This allows the plant's crown (junction of root and branches) to mature and obtain maximum cold hardiness.
View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.
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