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How and what to plant under trees

Val Bourne / 06 January 2014 ( 26 May 2017 )

This is one of the most challenging places in the garden, but there are plants that will thrive under trees.

Plants under a tree

The first thing to consider is whether the trees are evergreen or deciduous. Evergreens shed their leaves throughout the year, a few at a time, but few things can get established underneath then due to the low light levels. They tend to be surface-rooted and almost always dry out the soil close by.

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The technique of planting beneath trees

If you have evergreens, create an understorey between your evergreens using perennial plants that will live for a number of years.  

However if you have deciduous trees and shrubs it may be possible to plant right up to the trunks or main stems, although you may have to remove the lower branches of the shrubs.  Look for friable soil among the roots so that you can fill the gaps between the roots, using a small border fork. Hopefully there will be areas to accommodate some plants and bulbs.

If the situation is hopeless you may have to start by sprinkling seeds to break up the soil. I recommend aquilegia and biennial honesty (confusingly called Lunaria annua) as a starting point. Try to get fresh seeds collected in July or August and sprinkle plenty. These should germinate in the following spring and develop tap roots that break into the soil. Wait a year or two and then try to plant some perennials in the ground they’ve penetrated, although you may have to dig your aquilegias and honesty up first.

Choosing perennial plants to plant under trees

Start with small plants, not whoppers, because these suffer less stress when planted. Water them in their first growing season to encourage their roots. Add some shade-tolerant spring bulbs in September and these could include snowdrops, scillas and miniature narcissi. Avoid crocus, or cyclamen, unless they are planted on a south-facing edge, as both need warmth and sun. Try to use some variegated evergreen foliage and sone white flowers, to lighten the gloom.

20 permanent plants for dry shade


Daphne laureola

This British native is a round, small evergreen shrub with dark, glossy rosettes of foliage topped with lime-green flowers in late spring. Berries may follow.

Find out how to grow daphnes

Hedera helix (carpet-forming English ivies)

Not all English ivies climb. Some sprawl very prettily with small leaves that come in ruched glossy green,  like ‘Ivalace’.  This will cover a metre (39 in) given time, but will never produce adult foliage and flower. Even more diminutive in scale are ‘Anita’ (a small green-leaved arrowhead) and the tiny-leaved, deep-green ‘Duckfoot’. The lime-green arrowhead ‘Goldstern’ will stay bright - for some strange reason, most golden ivies keep their colour in shade, but go green in bright light. Fibrex Nurseries have a wide range -

Aucuba japonica

A fast-growing evergreen that often comes in spotted gold, as in the common variety ‘Crotonifolia’. However ‘Rozannie’ is a self-fertile aucuba that produces large red berries above rich green leaves that are waved and crimped at the edges. Aucubas can be cut back regularly every spring and will grow in dark places, although not all varieties berry on their own.  

Vinca minor

Periwinkle spreads by runners, but V. minor (the shorter form) produces a mesh of runners, rather than long wands that can root anywhere they land. It is very useful in deep shade and the white form, Vinca minor f.alba 'Gertrude Jekyll', has very neat white single flowers above shiny green leaves. V. minor 'Azurea Flore Pleno' is a slightly double bright-blue and there are also purple and red-flowered forms as well. All flower through spring and summer and there are also variegated forms.

Find out how to grow periwinkles


Go for wintergreen ferns: they tend to be much more drought-tolerant than deciduous ferns that die away in autumn. The two best for deep shade and drier soil are Dryopteris and the Asplenium.

Dryopteris filix-mas (the Male Fern)

This strong and upright fern has crozier-shaped new fronds (like fiddle necks) that appear as the bluebells open in May. The fronds become scruffy by the end of the year, but cut back in December they reveal russet-brown knuckles that look very handsome in winter light. Capable of growing in very deep shade.

Dryopteris affinis 'Cristata' The King Fern

A handsome form with crested tip to the fronds. This fern is best grown on the lighter edges, rather than deep shade.

Asplenium scolopendrium

The Hart’s tongue fern is best grown in neutral or alkaline soil and it must have shade, otherwise the tongue-shaped leaves frazzle and scorch. Give it a sheltered position to keep the linear leaves looking pristine. There are many forms with ruffled edges, or crested tops, or lacerated leaves.

Asplenium trichomanes (our native Maidenhair fern)

This lacy fern loves a niche by a step, or a crevice, but would be best on the edge of shade. When happy it will spread.

Find out about the best ferns for winter interest


Anemone nemorosa

Our native wood anemone comes in many forms, including white, blue and pink. However the blue and white forms are much better doers than the pinks. 'Robinsoniana’ is a very fine blue and slightly later than most. ‘Bowles’ Purple’ has purple-backed blue petals.  


Pulmonarias can do well in shade, but the dark blue forms with plain-green leaves (like ‘Blue Ensign’) are more thirsty. ‘Opal’ has ice-blue flowers and spotted foliage, so it shows up well in shade, and ‘Leopard’ has brick-red flowers and foliage with silver dice-shaped markings.

Find out how to grow pulmonarias

Silene fimbriata

A refined white campion that grows in deep-shade, even where it is dry. Spreads by rhizomes, but not aggressively so, and looks dainty and fresh in late-April and May, due to the pinked-edges on the petals.  

Arum italicum 'Marmoratum'

A woodlander sometimes known as Lords and Ladies or Cuckoo Pint. The arrowhead-shaped green leaves are marbled in white, looking especially glorious in winter. However in summer the plant retreats underground, leaving a gap.

Euphorbia amygdaloides ‘Purpurea’

A refined form of our native wood spurge, with beetroot evergreen rosettes topped by lime-green, long-lasting flowers in spring.

Find out how to grow euphorbia

Aquilegia vulgaris

The refined form, ‘Munstead White’ is beguiling in shade, with wide, single white flowers tipped in green. A. chrysantha ‘Yellow Queen’, is also stunning in shade and it will flower on into summer.

Geranium phaeum

A shade-loving hardy geranium, often with sombre flowers that don’t show up too well. Seek out the fine white from ‘Alba’ or ‘Samobor’ which is dark, but with zoned foliage. It will self seed into choicer plants and is difficult to deadhead as the upper flowers open as seed is formed further down. Be prepared to prize the large seedlings out.

Helleborus foetidus

Another British native woodlander, with finely divided foliage and maroon-rimmed lime-green bells. Upright and handsome, with flowers that have a meaty scent - hence the epithet 'stinking hellebore'.

Find out how to grow hellebores

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Anatomy of under-tree planting

Anatomy of planting under a tree

Don’t leave the ground bare – even a small area planted with spring bulbs can add life and colour. The Lime Walk at Sissinghurst shows just how much can be achieved by planting up the small area of soil at the base of a tree. These delicate spring-flowering bulbs create a wonderful and original display that won’t disturb the trees’ roots.

1. Fox’s grape fritillary

Fritillaria uva-vulpis

Between one and seven delicate nodding dark – and sometimes yellow-tipped – bell-shaped flowers with attractive grassy leaves. Grows wild in Turkey and Iran. Fully hardy.

2. Grape hyacinth

Muscari neglectum

Tough hardy grape hyacinths will make their home happily in most places and can be invasive, but here they provide a sturdy backdrop through which other plants can rise.

3. Snake’s head fritillary

Fritillaria meleagris

Rarely seen in the wild but a British native nonetheless. This exotic beauty likes damp soil and can reach a foot high.

5. Wood anemone

Anemone nemorosa

Happy in humus-rich damp soil under deciduous trees. Garden varieties come in pinks and white, and tend to be a little bigger than the diminutive wildflower.

More tiny treasures

Other little bulbs that would work in this way, some of which are growing here, include erythronium, scilla, chionodoxa, narcissi (6) and species tulips, such the orange Tulipa humilis (4) and pale pink and yellow T. saxatilis (Bakeri Group) ‘Lilac Wonder’ (7).

Plants under a tree

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The opinions expressed are those of the author and are not held by Saga unless specifically stated. The material is for general information only and does not constitute investment, tax, legal, medical or other form of advice. You should not rely on this information to make (or refrain from making) any decisions. Always obtain independent, professional advice for your own particular situation.