Rosmarinus officinalis Arp

Arp Rosemary

Arp Rosemary (Rosmarinus officinalis Arp) is a very cold hardy shrub Rosemary. It has a stiff upright growth habit and a mid-spring display of light blue flowers. Released by the National Arboretum. Drought resistant/drought tolerant plant (xeric). 36" tall x 36" wide.
Zones6 - 10
Advantages
Easy To Grow
Bee Friendly
Deer Resistant
Rabbit Resistant
Low Maintenance
Fragrant
Good For Cut Flowers
Good For Containers
Evergreen
Edible
Light Requirements
Full Sun
Annual Rainfall
10 to 20"
20 to 30"
30 to 40" (with care)
Mature Height36" tall
Mature Spread36" wide
Bloom TimeLate spring to early summer
ShippingNow shipping to zones 2-10.
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SizePlant - 5" Pot
SKUHC014698

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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Regular Price $9.99 Sale $8.49
Per Plant - 5" Pot
You save: 15%
In stock
SKU
HC014698

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Details
Arp Rosemary (Rosmarinus officinalis Arp) is a bushy growing cultivar with stiff upright stems and soft blue flowers. Arp Rosemary has proven itself to be a cold hardy selection, extending the use of Rosemary beyond the mild winter areas of coastal CA and the Southwest. A great choice for hot walls and corners and other areas that get intense reflected heat. Plant in combination with other heat-loving plants like Zauschneria arizonica, Lavandula, and Calylophus and Yarrow. Released by the National Arboretum. Cutting propagated. 36" tall x 36" wide.
More Information
SKUHC014698
Item Package Size
Plant - 5" Pot
Common Name
Arp Rosemary
Botanical Name
Rosmarinus officinalis Arp
Zones
6, 7, 8, 9, 10
Light Requirements
Full Sun
Flower Color
Blue
Mature Height
36" tall
Mature Spread
36" wide
Bloom Time
Late spring to early summer
Ships As
Potted Plant
Evergreen Foliage
Yes
Soil Type
Sandy Soil
Soil Moisture
Drought Resistant / Waterwise
Amount Of Rain
10 to 20", 20 to 30", 30 to 40" (with care)
Advantages
Easy To Grow, Bee Friendly, Deer Resistant, Rabbit Resistant, Low Maintenance, Fragrant, Good For Cut Flowers, Good For Containers, Evergreen, Edible
Edible
Yes
Ideal Region
Anywhere In The US, West, Southwest, Hot Desert, Pacific Northwest, Coastal California
Planting Time
Spring / Summer, Fall
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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