Blue Spires Rosemary
Rosmarinus officinalis 'Blue Spires'
Description | This highly aromatic shrub has unique light grey-green foliage, covered with clear blue flowers over a long season. Popular in herb gardens or as an informal hedge or screen. Easily pruned into topiary forms. A hardy, drought tolerant evergreen that requires little care, once established. Thrives in poor soil, provided it is well-drained. |
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Light | Full sun |
Watering | Once established water during dry spells. |
Blooms | Spring through Summer |
Mature Size | Moderate growing; reaches 4 to 5 ft. tall, 2 to 3 ft. wide. |
Deciduous/Evergreen | Evergreen |
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Special Features | Easy Care, Waterwise, Non-toxic to Cats and Dogs, Edible |
Growth Rate | Moderate |
Flower Attributes | Long Bloom Season, Showy Flowers |
Landscape Use | Border, Container, Hedge, Suitable for Topiary |
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Flower Color | Blue |
Foliage Color | Gray-green |
Companion Plants | Lavender (Lavandula); Yarrow (Achillea); Tickseed (Coreopsis); Italian Cypress (Cupressus); Bay Laurel (Laurus) |
Care | Thrives in loose, well-drained, neutral to slightly acidic soils. Water deeply, regularly during first growing season to establish an extensive root system; reduce frequency once established. Avoid excess winter moisture. Needs little care; may be fertilized lightly in spring. Prune only as needed to shape. |
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This Plant's Growing Zones: 6-10

Your USDA Cold Hardiness Zone:
Your climate may be too cold for this plant
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Buy Locally
This plant may be available in these stores:
Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.
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101 Market 8980 Quantrelle Ave. N.e.
Otsego, MN 55330 -
14th Street Garden Center 793 Jersey Ave.
Jersey City, NJ 07303 -
3rd Avenue Floral & Greenhouse 1110 3rd Ave. West
Dickinson, ND 58601
About Us
Monrovia grows beautiful plants for every region
We have been pioneers and craftsmen in the art of growing plants for nearly
100 years. Since our founding in Southern California by Harry E. Rosedale, Sr.
in 1926, we have been absolutely dedicated and obsessed with quality.
We have been pioneers and craftsmen in the art of growing plants for nearly 100 years. Since our founding in Southern California by Harry E. Rosedale, Sr. in 1926, we have been absolutely dedicated and obsessed with quality.