Plants by mail order since 1984 - over 4,100 plants online today!
Burncoose Nurseries - part of the Caerhays Estate
Nursery & Gardens open: Mon - Sat 08.30 - 16.30 & Sun 10:00 - 16:00
Pop up café: Open Thursday-Saturday 10.30 - 14.30 & Sunday 11.00 - 15.00( weather permitting )
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    PROSTANTHERA
    PROSTANTHERA rotundifolia
    PROSTANTHERA rotundifolia
    © Burncoose Nurseries, all pictures for illustrative purposes only.
    <
    PROSTANTHERA rotundifolia PROSTANTHERA rotundifolia PROSTANTHERA rotundifolia PROSTANTHERA rotundifolia EUPHORBIA mellifera and PROSTANTHERA rotundifolia © Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    PROSTANTHERA rotundifolia

    Commonly known as Round-leaved mint bush

    AWARD
    Mint-scented leaves and purple flowers
    plant size comparison icon
    2 to 3 Litre   - Click to view photo
    Delivery Information
    Available late spring to early summer 2026
    £14.00 each 
    Available late spring to early summer 2026 - Spring according to the Met Office is defined as March 1st - May 31st. Therefore late spring is mid-April onwards. This is not a guaranteed date but an estimate and subject to availability.
     
    Full Plant Details - Sun/Soil & other attributes
    • Flowering
      local_florist
      Jan
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      Feb
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      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Aug
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      Sep
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      Oct
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      Nov
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      Dec
    • Pests & Diseases
      Under glass - red spider mites, whiteflies
    • Place of origin
      Southeastern Australia (inc. Tasmania)
    • Resistant to honey fungus
      These plants have little or few problems with honey fungus.
    • Youtube video
      click here
    • Evergreen
      scarcely toothed leaves to 1cm (½in) long, deep green above, paler beneath
    • Purple
      Shades of purple/mauve/lilac/violet
      Purple to lilac-purple
    • Bell/Lantern
      Bell-shaped, 1cm (½in) across
    • Australian / New Zealand
    • Border
      Suitable for a shrub border
    • Greenhouse / conservatory
      Not the sort of plants to be grown outside where there are likely to be frosts. These plants need to be grown in a conservatory or cool greenhouse or at least brought inside for the winter
    • Tender (greenhouse & conservatory)
    • Orbicular
    • Ovate
    • Height
      3m (10ft)
    • Spread
      3m (10ft)
    • Tall Shrub
      Bushy, spreading shrub with slender, hoary stems
    • 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.

    • Tender - cool or frost free greenhouse
      Tolerant of low temperatures, but not surviving being frozen. Except in frost-free inner-city areas or coastal extremities requires glasshouse conditions. Plant can withstand temperatures down to 1°C (34°F)
    • Scented foliage
    • Autumn Seasonal Interest
    • Spring Seasonal Interest
    • Summer Seasonal Interest
    • Winter Seasonal Interest
    • Fertile moist well-drained soil
      Moderately fertile
    • Against a wall
    • Full sun
    • Bee friendly
    • Mature Size
      3m (10ft)
      		 Tall Shrub - guide for size not form Average Person
        3m (10ft)
      		  
    View Detailed Plant Description

     

    View Planting Tips and Care Advice
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    Useful extras...

    Fertilisers & Feeds - Empathy
    Wildflower Mini Meadow
    Creates a mini-meadow for attracting bees, butterflies and bugs to your garden. 200g sachet which will cover 3 square metres. Contains Rootgrow™ mycorrhizal fungi.
    3m²
    £7.00
    10m²
    £15.50
    Fertilisers & Feeds - Vitax
    Blood, Fish & Bone
    Improves vegetable, fruit and flower quality. Blood, Fish and Bone contains three major nutrients essential for strong and healthy growth.
    1.5 kg
    £6.50
    Vermin & Pest Control
    SB Plant Invigorator
    This is a non-biological non-chemical plant insecticide and mildewcide. Works against the physical motion of the insect. Perfect for all plants and edible crops.
    500 ml
    £8.00
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