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PHLOMIS tuberosa
Commonly known as Sage-leaf mullein
Violet flowers from JUN-JUL. Grows to around 3 feet tall
Plant Details
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Pests & Diseases
Leafhoppers -
Place of origin
Europe, central Asia -
Resistant to honey fungusThese plants have little or few problems with honey fungus.
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DeciduousLightly hairy leaves to 25cm (10in) long.
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Purple
Shades of purple/mauve/lilac/violetViolet -
Fully hardy
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Height
90cm (36in) -
Spread
90cm (36in) -
HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.Perennial. Whorls of flowers, more crowded towards the stem ends.
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Tuberous
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Hardy - cold winter
Hardy 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) -
Summer Seasonal Interest
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Bee friendly
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Butterfly friendly
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Mature Size90cm (36in)
90cm (36in)
Planting Tips and Care Advice
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Garden Location/Conditions
BorderSuitable for a shrub border
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Pruning group
Pruning group 5
Suitable for: Evergreen shrubs that require minimal pruning.
Action: Trim or lightly cut back shoots that spoil symmetry. Deadhead regularly.
When: Annually after flowering.
Pruning group 6
Suitable 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.
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Soil Conditions
Fertile well drained soil
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Sun Requirements
Full sun
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
- Overpotting Problems - Video Tip ondemand_video
Phlomis - Growing Guide
Planting Combinations
