Around now
Alder
Alnus glutinosa
Deciduous tree · catkins Feb–Apr, cones all year
Around now
Silver Birch
Betula pendula
Deciduous tree · catkins Apr–May
Around now
Hazel
Corylus avellana
Deciduous shrub · catkins Jan–Mar
Around now
Ash
Fraxinus excelsior
Deciduous tree · last into leaf, first out
Around now
Sessile Oak
Quercus petraea
Deciduous tree · acorns Sep–Oct
Around now
Pedunculate Oak
Quercus robur
Deciduous tree · acorns Sep–Oct
Around now
Rowan
Sorbus aucuparia
Deciduous tree · in flower May, berries Aug–Oct
Around now
Hawthorn
Crataegus monogyna
Deciduous shrub · in flower May, haws Sep–Dec
Around now
Blackthorn
Prunus spinosa
Deciduous shrub · in flower Mar–Apr, sloes Sep–Nov
Around now
Elder
Sambucus nigra
Deciduous shrub · in flower Jun, berries Aug–Sep
Around now
Holly
Ilex aquifolium
Evergreen tree · berries Nov–Feb
Around now
Goat Willow
Salix caprea
Deciduous tree · catkins Mar–Apr
Around now
Wych Elm
Ulmus glabra
Deciduous tree · in flower Feb–Mar
Around now
Scots Pine
Pinus sylvestris
Evergreen conifer · cones ripen in the second year
Around now
Dog Rose
Rosa canina
In flower Jun–Jul · hips Sep–Nov
Around now
Bramble
Rubus fruticosus agg.
In flower Jun–Aug · fruit Aug–Oct
Around now
Gorse
Ulex europaeus
In flower all year · peaks Mar–May
Around now
Ivy
Hedera helix
Evergreen · in flower Sep–Nov, berries Feb–Apr
Around now
Honeysuckle
Lonicera periclymenum
In flower Jun–Sep · berries Aug–Oct
Around now
Primrose
Primula vulgaris
In flower Feb–May
Around now
Herb Robert
Geranium robertianum
In flower Apr–Oct
Around now
Foxglove
Digitalis purpurea
In flower Jun–Aug · biennial
Around now
Wood Avens
Geum urbanum
In flower May–Sep
Around now
Opposite-leaved Golden-saxifrage
Chrysosplenium oppositifolium
In flower Apr–Jul
Around now
Common Reed
Phragmites australis
In flower Aug–Oct · stems stand all winter
Around now
Reed Canary-grass
Phalaris arundinacea
In flower Jun–Aug
Around now
Ox-eye Daisy
Leucanthemum vulgare
In flower Jun–Aug
Around now
Common Knapweed
Centaurea nigra
In flower Jun–Sep
Around now
Devil's-bit Scabious
Succisa pratensis
In flower Jul–Oct
Around now
White Clover
Trifolium repens
In flower May–Sep
Around now
Common Ragwort
Jacobaea vulgaris
In flower Jun–Oct
Around now
Yarrow
Achillea millefolium
In flower Jun–Oct
Around now
Selfheal
Prunella vulgaris
In flower Jun–Sep
Around now
Wild Teasel
Dipsacus fullonum
In flower Jul–Aug · seedheads all winter
Around now
Common Nettle
Urtica dioica
In flower Jun–Sep
Around now
Hart's-tongue Fern
Asplenium scolopendrium
Evergreen fern
Around now
Male Fern
Dryopteris filix-mas
Deciduous fern · fronds Apr–Nov
Around now
Broad Buckler-fern
Dryopteris dilatata
Semi-evergreen fern
Around now
Common Polypody
Polypodium vulgare
Evergreen fern
Around now
Rustyback Fern
Asplenium ceterach
Evergreen fern
Around now
Common Haircap Moss
Polytrichum commune
Present all year · capsules Jun–Sep
Around now
Common Orange Lichen
Xanthoria parietina
Present all year
Around now
Cladonia Cup Lichen
Cladonia fimbriata
Present all year
Around now
Navelwort (Wall Pennywort)
Umbilicus rupestris
In flower Jun–Aug
Around now
Biting Stonecrop
Sedum acre
In flower Jun–Jul
Around now
Japanese Knotweed
Reynoutria japonica
In flower Aug–Oct · an invasive species
Around now
Oxford Ragwort
Senecio squalidus
In flower May–Dec
Around now
Common Butterfly Bush
Buddleja davidii
In flower Jul–Sep
Wood Anemone
Anemone nemorosa
In flower Mar–May
Ramsons (Wild Garlic)
Allium ursinum
In flower Apr–Jun
Lesser Celandine
Ficaria verna
In flower Feb–May
Bluebell
Hyacinthoides non-scripta
In flower Apr–May
Dog's Mercury
Mercurialis perennis
In flower Feb–Apr
Red Campion
Silene dioica
In flower May–Sep
Meadowsweet
Filipendula ulmaria
In flower Jun–Sep
Purple Loosestrife
Lythrum salicaria
In flower Jun–Aug
Marsh Marigold
Caltha palustris
In flower Mar–Jun
Yellow Flag Iris
Iris pseudacorus
In flower May–Jul
Water Mint
Mentha aquatica
In flower Jul–Oct
Common Valerian
Valeriana officinalis
In flower Jun–Aug
Butterbur
Petasites hybridus
In flower Mar–May · huge leaves after
Hemlock Water-dropwort
Oenanthe crocata
In flower Jun–Jul
Great Willowherb
Epilobium hirsutum
In flower Jul–Aug
Rosebay Willowherb
Chamerion angustifolium
In flower Jul–Sep
Water Forget-me-not
Myosotis scorpioides
In flower May–Sep
Common Comfrey
Symphytum officinale
In flower May–Aug
Bird's-foot Trefoil
Lotus corniculatus
In flower May–Sep
Red Clover
Trifolium pratense
In flower May–Sep
Meadow Buttercup
Ranunculus acris
In flower May–Aug
Cuckooflower
Cardamine pratensis
In flower Apr–Jun
Harebell
Campanula rotundifolia
In flower Jul–Sep
Cow Parsley
Anthriscus sylvestris
In flower Apr–Jun
Hogweed
Heracleum sphondylium
In flower Jun–Sep
Lady Fern
Athyrium filix-femina
Deciduous fern · fronds May–Oct
Bracken
Pteridium aquilinum
Fronds May–Oct · dead litter all winter
Wood Sorrel
Oxalis acetosella
In flower Apr–May
Giant Hogweed
Heracleum mantegazzianum
In flower Jun–Aug · an invasive species
Himalayan Balsam
Impatiens glandulifera
In flower Jul–Oct · an invasive species