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PHLOMIS fruticosa
Commonly known as Jerusalem sage
Yellow flowers, felted grey-green foliage
Further Reading....
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EvergreenSage-like, wrinkled leaves to 10cm (4in) long
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Yellow3cm (1¼in) long
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Height1m (39in)
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Spread1.5m (5ft)
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Medium shrubTypically grow to around 4-6 feet in heightMound-forming shrub with upright shoots. Flowers are formed in axillary whorls
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Hardy - cold winterHardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
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Full sun
PHLOMIS fruticosa
- Details
- Description
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional FeaturesGood to knowWildlife plant - insectsPests & DiseasesLeafhoppersPlace of originEastern MediterraneanResistant to honey fungusThese plants have little or few problems with honey fungus.
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Garden Location/ConditionsCoastal / windsweptSuitable for open site, slightly back from the sea
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HardinessFully hardy
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Leaf marginEntire
(see photos above) -
Leaf shapeLanceolate
(see photos above) Ovate(see photos above) -
Pruning groupPruning group 5Suitable for: Evergreen shrubs that require minimal pruning.
Action: Trim or lightly cut back shoots that spoil symmetry. Deadhead regularly.
When: Annually after flowering.
RHS group 8Pruning group 6Suitable for: Evergreen shrubs or climbers that need little to no pruning.
Action: Trim back shoots that spoil symmetry and to fit available space.
When: Annually after flowering if on previous year's growth, or in later Winter or Spring if flowering on current year's growth, or as requires.
RHS group 9 & 11 -
Seasonal InterestAutumnSummer
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Soil ConditionsFertile well drained soil
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WildlifeBee friendly
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Phlomis - Growing Guide
1m (39in)
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1.5m (5ft) |
Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50