Phlomis russeliana

Hardy Jerusalem Sage

Phlomis russeliana, a Mediterranean species native to the mountains of Syria, is admired for both its unusual whorls of soft yellow flowers and its large olive-green leaves. Commonly known as Hardy Jerusalem Sage. Drought resistant/drought tolerant plant (xeric).
Zones4 - 10
Advantages
Easy To Grow
Attract Butterflies
Attract Birds
Bee Friendly
Deer Resistant
Low Maintenance
Good For Cut Flowers
Good For Dried Flowers
Evergreen
Multiplies / Naturalizes
Winter Interest
Light Requirements
Full Sun
Annual Rainfall
10 to 20"
20 to 30"
30 to 40" (with care)
Mature Height36" tall
Mature Spread20" wide
Bloom TimeEarly to late spring
ShippingNow shipping to zones 2-10.
Learn More…
SizePlant - 5" Pot
SKUHC015207

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
HC015207

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Details
36" tall x 20" wide (cutting/seed propagated). This Mediterranean species, native to the mountains of Syria, is admired for both its unusual whorls of soft yellow flowers and its large olive-green leaves. Phlomis russeliana (commonly known as Hardy Jerusalem Sage) has proven to be quite cold tolerant. A very tough and easy-to-grow plant, Phlomis adds an eye catching structure to the garden, combining readily with other perennials with interesting foliage, like Gray Santolina.
More Information
SKUHC015207
Item Package Size
Plant - 5" Pot
Common Name
Hardy Jerusalem Sage
Botanical Name
Phlomis russeliana
Zones
4, 5, 6, 7, 8, 9, 10
Light Requirements
Full Sun
Flower Color
Yellow
Mature Height
36" tall
Mature Spread
20" wide
Bloom Time
Early to late spring
Ships As
Potted Plant
Soil Type
Sandy Soil, Clay Soil, Average Soil
Soil Moisture
Drought Resistant / Waterwise
Amount Of Rain
10 to 20", 20 to 30", 30 to 40" (with care)
Advantages
Easy To Grow, Attract Butterflies, Attract Birds, Bee Friendly, Deer Resistant, Low Maintenance, Good For Cut Flowers, Good For Dried Flowers, Evergreen, Multiplies / Naturalizes, Winter Interest
Ideal Region
Anywhere In The US, Northeast, Midwest, West, Southwest, Pacific Northwest, Coastal California, Suitable Above 7000 ft
Planting Time
Spring / Summer, Fall
Item Unit Of Measure
Plant
Ships To Canada
No
Planting Guides
Phlomis (Jeruselum Sage) - a huge genus of sage-like plants that range from Europe across Asia into China. Almost completely resistant to browsing deer and rabbits.

Preferred growing conditions
  • Plant in most soil types including clay. Generally, they prefer to be planted in a full sun location. Phlomis cashmeriana is an exception and does well in part to full dappled shade.
  • Mulch with common mulching materials except of moisture climates where plants should remain unmulched.
  • Water regularly the first growing season to establish the plant. Thereafter, weekly or bi-weekly deep watering is all this plant needs.
  • Deadheading is will not bring the plants back into flower, but keeps the attractive foliage looking tidy. Cut tall flowering stems where they emerge from the mound of low foliage.
  • Fertilize lightly in the fall with a half and half blend of Yum Yum Mix and good quality compost.
  • Special comments
  • Phlomis seed heads are ornamental and provide winter interest; leave standing over the winter and cut off in early to mid-spring along with the old foliage.
  • Many species can be divided in mid-spring if more plants are needed.
  • These are low care perennials that don't like rich soil or a lot of water; this makes the plants leggy and prone to flopping.

  • 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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