Honey guide
7 Plants for a Bee-Friendly UK Garden
Which plants give UK garden bees the most nectar and pollen? Borage, lavender, foxglove, comfrey, phacelia, crocus, and red clover — when they flower and why they work.
By Honey Honey Honey · Published 3 June 2026

Why do UK gardens matter for bee populations?
UK gardens collectively cover more than one million hectares — a larger area than all the country's nature reserves combined. That figure comes from research by the UK Centre for Ecology and Hydrology and has been cited in Buglife and RSPB policy documents. In fragmented agricultural and urban landscapes, gardens function as corridors and refuges for pollinators that cannot survive on farmland alone.
The decline of flower-rich habitats in the UK countryside — hedgerows, hay meadows, road verges managed for tidiness rather than diversity — has pushed many bee species into suburban and urban environments. Research from the University of Sheffield found that allotments and residential gardens in Sheffield contained higher bee diversity than surrounding farmland. Gardens provide not just food but undisturbed nesting sites: bare soil patches for mining bees, hollow stems for mason bees, and undisturbed garden debris for bumblebee queens looking for overwintering spots.
The seasonal spread of nectar and pollen matters as much as total flower area. Bumblebee queens emerge in late February and early March and need immediate food sources. Many gardens contain no flowering plants at all before April, creating a starvation gap at a critical point. At the other end of the season, September and October flowering plants allow colonies to build winter stores and support late-flying solitary bees including ivy bees (Colletes hederae), which rely almost entirely on ivy flowers.
For honeybees, a garden within foraging range of a hive can be a significant contributor to honey production. A strong forager covering 3km from the hive in summer will visit UK garden plants alongside agricultural forage. Beekeepers in suburban areas often produce as much honey as those in rural settings, partly because gardens near them are planted year-round.
Why is borage one of the best bee plants you can grow in Britain?
Borage (Borago officinalis) produces nectar continuously, replenishing each flower within 2-3 minutes of being emptied by a visiting bee. Most plants replenish nectar over hours or days; borage's rate means a single flower can be visited many times in one morning. The plant flowers from May through to October in UK conditions and self-seeds freely, returning each year without intervention once established.
Borage nectar has a high sugar concentration — measured at around 41% sucrose equivalent in studies of open-air UK conditions. It also produces large volumes of pollen in a form accessible to many bee species. Honeybees visit borage heavily during midsummer when other forage competes; bumblebees visit throughout the day. Hairy-footed flower bees (Anthophora plumipes), common in UK gardens, use borage alongside comfrey as their primary nectar source.
The plant grows easily from seed sown directly in April or May. It prefers full sun and tolerates poor, dry soils — overwatered or heavily fertilised borage produces fewer flowers. Mature plants reach 60-90cm and can become sprawling, so they suit borders or the backs of beds. Borage leaves and flowers are edible and often used as a garnish in drinks and salads, making it a dual-purpose plant for kitchen gardens.
From an ecological standpoint, borage is not native to the UK — it originates from the Mediterranean — but it has naturalised widely and grows on disturbed ground across Britain. Its value to UK bees is comparable to or higher than many native species, and garden ecologists generally consider naturalised species like borage far preferable to highly bred ornamental cultivars that offer no nectar or pollen.
Why do bumblebees love foxgloves but honeybees struggle with them?
Foxglove (Digitalis purpurea) flowers are tubular and specifically shaped for long-tongued bumblebees. The tube length — typically 2.5-4cm — puts the nectar at a depth that requires a bumblebee's tongue length to reach efficiently. Honeybees have tongues around 6mm long, which is too short to reach foxglove nectar from the front of the flower. Bumblebees including garden bumblebees (Bombus hortorum), buff-tailed bumblebees (Bombus terrestris), and common carder bees (Bombus pascuorum) are the primary foxglove visitors.
Foxglove flowers have landing platforms with spotted guide marks that direct bees toward the nectary. The flowers open progressively from the bottom of the spike upward over several weeks, meaning each spike provides food for an extended period. The plant produces pollen in relatively high quantities, and bumblebees emerging from foxglove flowers are often visibly dusted with yellow pollen on their thorax.
Digitalis purpurea is a UK native species, biennial in its natural cycle — growing as a rosette in year one and flowering in year two. In UK gardens it self-seeds readily, particularly in partial shade and woodland-edge conditions. It naturalises into hedgerows, clearings, and rough ground. Because it is native, it supports specialist insects that have co-evolved with it over millennia: beyond bumblebees, several moth larvae feed on foxglove leaves.
For garden planting, foxgloves suit partially shaded borders and naturalised areas where a tall flowering spike (up to 1.5m) is appropriate. The standard purple form is more rewarding for bees than white-flowered cultivars, and single-flowered forms are far more accessible than any double-flowered variety. Planting in groups of three or more provides more reliable bumblebee foraging opportunities than isolated single plants.
What makes lavender so reliably good for bees?
Lavender (Lavandula angustifolia) produces nectar and pollen consistently throughout its flowering period, which runs from June through August in UK conditions. The flowers are accessible to both honeybees and most bumblebee species. In a 2014 study by the University of Sussex, lavender plantings attracted more bee species per unit area than almost any other plant tested in UK garden conditions.
The study also found clear differences between lavender species. English lavender (Lavandula angustifolia) attracted roughly twice as many bee visits as French lavender (Lavandula stoechas) and Spanish lavender types. The widely sold Hidcote and Munstead cultivars of L. angustifolia are both highly effective. Many garden centres stock L. stoechas — identifiable by its distinctive "rabbit ears" petal arrangement — primarily for visual appeal, but its nectar is less accessible and less abundant.
Lavender releases scent compounds from its flowers in response to temperature, which peaks between late morning and early afternoon on warm UK summer days. This matches the most active foraging period for honeybees, creating a reliable predictable food source that bees learn to return to. Forager bees communicate lavender's location via the waggle dance, and a single lavender hedge can draw dozens of foragers from nearby hives simultaneously.
Drought tolerance makes lavender particularly suitable for UK gardens facing increasingly dry summers. It performs best in well-drained, sandy or chalky soils and full sun. Heavy clay soils and wet winters are the main causes of lavender failure in UK gardens. Pruning after flowering, cutting back by about a third but never into old wood, extends the plant's productive life from around four years to eight or more. A neglected lavender left uncut becomes woody and produces fewer flowers, reducing its value to bees substantially.
Why should UK gardeners grow crocuses — and which type?
Crocuses flower between February and March, a period when overwintering bumblebee queens emerge from hibernation and find almost no food available. A foraging bumblebee queen in late February needs to rebuild her energy reserves after months underground and begin building a nest. Most UK gardens offer nothing at this time — lawns, bare beds, and early-leafing shrubs with no flowers. Crocuses break this starvation gap with both pollen and nectar.
Dutch crocus varieties (Crocus vernus) and the smaller species crocuses (Crocus tommasinianus, Crocus chrysanthus) both provide early bee forage. Crocus tommasinianus is particularly useful because it flowers earliest — often in January in mild UK winters — and naturalises freely in lawns and rough grass. Lawn crocuses are one of the most effective ways to increase early bee forage in an average garden without dedicated bed space.
The pollen of crocuses is orange to deep yellow and highly visible. Bumblebee queens visiting crocus flowers collect pollen in their leg baskets as they move between flowers, often spending several minutes at a single flower. Honeybees also visit crocuses on warm early spring days when the hive needs pollen for brood rearing as the colony expands.
Planting crocus bulbs in autumn — September to November — delivers the following February's flowers. They are inexpensive and long-lived in the right conditions (well-drained soil, reasonable sun). One practical note: avoid deadheading crocus flowers, as allowing them to set seed supports naturalisation. The plants also benefit from allowing foliage to die back naturally after flowering, which replenishes the bulb for next year. Mowing lawns around naturalised crocuses should wait until early May, by which point the foliage has died back.

What is phacelia and why do beekeepers sometimes grow it for bee forage?
Phacelia tanacetifolia is an annual flowering plant, native to North America but widely grown in the UK as a cover crop and bee plant. It produces dense clusters of small blue-purple flowers from May to September, depending on sowing time. The flowers produce both abundant nectar and pollen. Beekeepers with land access grow blocks of phacelia near apiaries specifically to boost colony nutrition and honey yields during early summer.
Studies measuring bee visits per flower have consistently ranked phacelia near the top for UK conditions. RSPB garden plant trials found it attracted more bee visits per hour than most other species tested. Commercial phacelia seed is inexpensive and widely available, and the plant germinates reliably within 7-10 days of sowing in UK spring temperatures. It grows to 50-70cm and produces continuous flowers from the same plants for 6-8 weeks.
The nectar of phacelia has a moderate sugar concentration (around 30-35%) but the plant compensates by producing a high volume of flowers per plant and flowering continuously as lower flowers fade. The bright blue-violet colour of the flowers is highly visible to bees, which can see into the UV spectrum. Honeybees learn the visual and scent signature of phacelia quickly and return repeatedly.
Phacelia's agricultural use as a cover crop overlaps with its value as bee forage. Farmers in the UK's Sustainable Farming Incentive scheme can sow it as a pollen and nectar mix component under DEFRA options for supporting pollinators. This means phacelia is now appearing in field corners and farm margins across England, not just in beekeepers' gardens. For gardeners, successive sowings from April through July provide bee forage across the whole summer without the plant taking up permanent space in a border.
Why is comfrey underrated as a bee plant?
Comfrey (Symphytum spp.) flowers from April to June and again after cutting, producing tubular blue-purple flowers that are a primary food source for several UK bee species. The plant provides high nectar volumes relative to most garden species, and its flowers are deep enough that only long-tongued bees — primarily bumblebees and hairy-footed flower bees — can access the nectary from the front.
Honeybees visit comfrey via a different route: biting through the base of the tube to reach nectar directly, a behaviour called nectar robbing. The bee gets the nectar without contacting the pollen-carrying anthers, so the flower gets no pollination service in return. This makes comfrey a net nectar source for honeybees but a full forage plant for long-tongued bumblebees, which enter from the front and carry pollen in exchange.
Hairy-footed flower bees (Anthophora plumipes), a UK solitary bee species, emerge in March and rely heavily on comfrey alongside pulmonarias and other early tubular flowers. Female hairy-footed flower bees are among the fastest bee foragers observed in UK garden conditions, visiting dozens of flowers per minute when comfrey is in full bloom. This makes comfrey a plant that supports specialist species rather than only common generalists.
The Bocking 14 cultivar, a sterile hybrid developed at the Bocking research station in Essex, is strongly recommended for garden planting. It does not set seed and will not spread beyond the original planting, unlike common comfrey which can become persistent once established. Bocking 14 is also a faster grower, producing more cutting biomass and more flowers per season. It tolerates shade better than most garden bee plants, making it useful for north-facing or partially shaded borders where lavender and borage would fail.
How does red clover differ from white clover for different bee species?
White clover (Trifolium repens) and red clover (Trifolium pratense) both provide pollen and nectar to bees, but their accessibility differs substantially by bee species. White clover flowers have a shorter corolla tube — around 9mm — that most bee species can reach. Honeybees, buff-tailed bumblebees, and many solitary bee species feed freely from white clover. It is among the most productive nectar plants in UK agricultural landscapes and is the basis of white clover honey, produced in quantity in Scotland and Northern Ireland.
Red clover has a corolla tube of 9-10mm, which is within range for long-tongued bumblebees such as the garden bumblebee (Bombus hortorum) and early bumblebee (Bombus pratorum), but too deep for honeybees and short-tongued solitary bees. This makes red clover a much more selective plant in terms of which species it benefits. It is primarily a bumblebee plant in UK conditions.
The ecological importance of this distinction became clear historically: when dairy farming shifted from hay meadows to silage in the mid-twentieth century, red clover declined sharply in lowland Britain. Long-tongued bumblebee species dependent on red clover — the short-haired bumblebee (Bombus subterraneus), now regionally extinct in England, and the ruderal bumblebee (Bombus ruderatus), critically declining — suffered population collapses coinciding with the loss of clover-rich pasture.
For UK gardeners who specifically want to support declining bumblebee species, red clover in a wildflower lawn or rough grass area provides targeted benefit that white clover cannot match. It is a native species, free-seeding in the right conditions, and readily available in wildflower seed mixes. Mixed clover plantings combining both species support the broadest range of bee visitors.
What should UK gardeners avoid planting if they want to support bees?
Double-flowered varieties of normally good bee plants are the most common mistake. Double roses, double dahlias, double poppies, and double-flowered hydrangeas have extra petals that physically block bee access to pollen and nectar. The plant has been bred for human aesthetic preferences — more petals, fuller flowers — at the cost of the functional reproductive structures that bees need. Many popular garden centre roses are double-flowered hybrids that offer nothing to pollinators.
Highly bred annual bedding plants — the petunias, lobularias, impatiens, and fibrous begonias seen in municipal bedding schemes — have typically been selected for colour, uniformity, and continuous visual impact. The nectar and pollen content has rarely been a breeding priority and in many cases approaches zero. A hanging basket full of hybrid petunias provides no meaningful bee forage despite the visual appearance of abundance.
Invasive species create a different problem. Buddleja (butterfly bush) attracts butterflies and some bees but has escaped from UK gardens and colonises disturbed ground, displacing native wildflowers. The Bumblebee Conservation Trust advises replacing buddleja with native alternatives such as hemp agrimony (Eupatorium cannabinum) or native thistles, which support more species without the invasive spread risk.
Weedkiller use eliminates plant diversity from lawns and borders. "Weeds" such as dandelions, clover, and self-heal are among the highest-value bee plants in any UK garden. A lawn managed with no herbicides, cut infrequently, and left with patches of flowering plants consistently supports more bee species than a manicured, herbicide-treated lawn. DEFRA's own pollinator guidance notes that lawn management is one of the highest-impact changes available to individual gardeners.
Frequently asked questions
- What is the single best plant for bees in a UK garden?
- Borage is often ranked first for honeybees due to its continuous nectar replenishment and long flowering season from May to October. Phacelia ranks highly for sheer bee visit frequency per flower.
- Which plants help bees early in spring?
- Crocuses are among the most valuable early-season plants, flowering February to March when little else is available. Snowdrops and pussy willow also provide early pollen for bumblebee queens emerging from hibernation.
- Are all lavender varieties equally good for bees?
- No. English lavender (Lavandula angustifolia) consistently outperforms French and Spanish varieties (L. stoechas) for bee visits. A 2014 University of Sussex study found double the bee visits on English lavender.
- What should I avoid planting if I want to support bees?
- Avoid double-flowered cultivars of naturally good bee plants — double roses, double poppies, and double dahlias have extra petals that block bee access to pollen and nectar. Bedding plant hybrids bred for colour over nectar (petunias, impatiens) also offer little to pollinators.
- Is red clover better than white clover for bees?
- White clover is accessible to most bees including honeybees. Red clover's deeper flower tube means only long-tongued bumblebees can reach the nectar — honeybees and short-tongued bees cannot.
- Can I grow phacelia in a small UK garden?
- Yes. Phacelia tanacetifolia grows quickly from seed and suits borders or pots. It flowers 6-8 weeks after sowing, so successive sowings from April to July give flowers all summer.
- Is comfrey invasive in UK gardens?
- Common comfrey (Symphytum officinale) spreads readily and can be difficult to remove once established. The sterile cultivar Bocking 14 is strongly recommended for garden use — it produces no viable seed and stays where you plant it.
- Why do bumblebees prefer tubular flowers?
- Bumblebees have longer tongues than honeybees and can reach nectar in deeper flower tubes. Tubular flowers like foxglove and comfrey often produce more concentrated nectar than open flowers, making the energy return worthwhile.