Pulmonaria ‘Trevi Fountain’
Pulmonaria ‘Trevi Fountain’ is a refined and eye-catching perennial, perfect for adding colour and texture to shady areas of the garden. With vibrant cobalt-blue flowers in early spring and elegant silver-spotted foliage that lasts throughout the growing season, this variety offers both seasonal interest and year-round appeal. It’s particularly valuable for woodland gardens, underplanting, and borders where shade limits the success of other flowering plants.
Key Features
- Vivid cobalt-blue flowers
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Bloom from as early as March through till May
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Thrives in partial to full shade
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Height: 30cm (1ft)
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Spread: 50cm (1.5ft)
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Hardiness: hardy in the UK down to temperatures of -20 degrees Celcius (RHS hardiness rating H7)
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Provides early nectar for pollinators such as bees
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Pruning: Remove old leaves after flowering
Growth & Habit
Pulmonaria ‘Trevi Fountain’ has a compact, clumping growth habit with gently arching foliage that makes it an excellent groundcover for shady areas. In early spring, tall flower stems emerge, topped with rich blue blooms that contrast beautifully with the silver-spotted green leaves. The foliage remains attractive long after the flowers fade, adding brightness and texture beneath trees or in shaded beds.
Planting Advice
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Position: Prefers partial to full shade. Ideal for borders, woodland gardens, and shaded corners of patios or paths.
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Potted: Pulmonaria grown in pots can be planted at any time of the year providing the ground is not frozen or waterlogged
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Soil: Moist, fertile, humus-rich soil with good drainage is ideal. Avoid overly dry or waterlogged conditions.
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Planting Depth: Plant at the same depth as the pot, keeping the crown level with the soil. Water well after planting.
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Spacing: Allow 30–45 cm between plants to let them spread naturally and avoid overcrowding.
For best results, plant in spring or autumn when soil is moist and workable.
Care & Maintenance
Pulmonaria ‘Trevi Fountain’ is a reliable and unfussy plant, well-suited to everyday gardening. Once established, it needs minimal intervention. Keep soil moist in dry periods, particularly in its first year. Mulching in early spring with leaf mould or compost will help conserve moisture and feed the plant.
Uses in the Garden
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Ideal for shaded borders, under deciduous trees, or alongside paths
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A great companion for other shade-loving plants like hostas, ferns, brunnera, and hellebores
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Pairs well with spring bulbs such as snowdrops, anemones, and dwarf narcissi
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Provides reliable groundcover and reduces weed growth in shaded spots
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Supports early-season pollinators with its spring flowers
Pulmonaria ‘Trevi Fountain’ is a brilliant choice for gardeners looking to bring spring cheer and attractive foliage to shaded parts of the garden. With its vivid blue flowers, silvery leaves, and easy-care nature, it’s an elegant and practical perennial that deserves a place in every shade garden. Whether planted in drifts or used as groundcover, it’s a beautiful, low-maintenance performer that delivers year after year.
Buying Perennials from Jacksons Nurseries
At Jacksons Nurseries we lightly trim back our perennials after flowering and trim them back at the end of the season to ensure that the plants remain neat and tidy whilst in the pot. The more tender the plant the less we cut back to help protect exposed stems from winter frost. Depending on the plant variety we will then prune back further in spring once the risk of the more severe frosts is over.
As a result, depending on the time of year you buy perennials, they may not look like images showing their ‘prime time’ in flower and looking at their best.
From late autumn onwards and dependent on variety, there may be very little visible above the soil except for a few cut back dormant leaves or stems. It is perfectly normal for dormant plants to look like this from autumn onwards, they will however burst back into life in spring.
Availability: Stock availability figures are provided as a guide only. There is a delay between orders being placed and the plants being gathered by our pulling team. During this time it may be possible for a member of the public to purchase these plants from our Garden Centre, while this is rare it is a possibility and we will notify you of any problems as soon as possible. This figure may also include plants that have not yet be flagged as unsaleable.
Pre-order: Pre-order times are given as a guide only and may vary dependent on the growing season. Orders containing Pre-ordered products will be shipped as a single order when all items become available. Large orders may be part shipped, please contact us on 01782 502741 or email sales@jacksonsnurseries.co.uk.
Perennials are described and classified differently by different gardeners but all would agree that they are plants that come into flower every year from early spring to late summer, the exact time dependent on variety and most die back to ground level in autumn and winter.
As for all plants, soil preparation is time well spent. Dig over the area to be planted ensuring that the ground is free draining. If not then you may wish to either consider planting in a different spot or raising the level of the planting area by adding additional topsoil, well rotted garden compost and/or well rotted manure. Add ‘Fish, Blood and Bone’ fertiliser or a high potash fertiliser to encourage good root growth and development.
It’s always a good idea to plant a few of the same plant together, we recommend planting in 3’s or 5’s to provide a bold effect but allowing them plenty of room to develop.
Always check eventual plant heights when planning borders to ensure that the taller plants are at the back (or at the centre of an island bed) followed by the medium and then smaller low growing plants.
Remember to deadhead perennials after flowering, trim back lightly in autumn as required to tidy the border and if necessary trim again in spring once the risk of heavy frost has passed.
If perennials get too big, start to flower less and less or if it seems to be dying off from the centre, consider dividing the plant but always check that the particular variety is happy to be divided and that you divide at the right time of year for the plant.
By using this simple guide and a little time, perennials can make an absolutely spectacular difference to your garden.
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