Bees are small but extremely important. We like to think of them as the unsung heroes of the flora and fauna. Without their hard labour, we would collapse our ecosystems and severely affect food production. But while we often think of bees as industrious foragers flying from flower to flower, we rarely consider why bees choose specific blooms over others. The answer lies in a fascinating interplay of visual, olfactory, and chemical cues. It is truly fascinating to think that the flora sends tiny messages to the fauna, saying, “Hey! I’ve got what you’re looking for!”
Image by Photorama from Pixabay
Throughout this article, we will explore together the various ways flowers signal bees and how Australian gardeners can use this knowledge to create pollinator-friendly spaces. From ultraviolet nectar maps to sweet minty aromas and trustworthy chemical cues, this is your complete guide to flowers that attract bees and the native pollinators they serve.
Visual Cues: How Bees Spot Their Favourite Blooms
Colour
Image by Leszek Stępień from Pixabay
One of the most effective ways flowers attract bees is by standing out and making an impact visually. But bees don’t see the same colours we do. While it is very true that they are trichromatic like humans, their spectrum is shifted. Humans’ eyes detect red, green, and blue, but bees’ eyes detect blue, green, and ultraviolet (UV). This means that red flowers often appear black and dull to them, while blue, purple, and yellow pop brilliantly. Many flowers have evolved to take advantage of this by displaying vibrant hues that appear as glowing neon signs to bees.
Bees are particularly sensitive to colours in the blue and violet range. This sensitivity makes flowers like lavender, borage, and Hardenbergia violacea (False Sarsaparilla) especially attractive to them. These plants exhibit colours that bees can easily detect and often have UV patterns that guide bees to their nectar sources. Such UV patterns, invisible to the human eye, serve as landing guides, directing bees precisely where to go, much like runway lights guiding an aeroplane.
It’s also worth noting that while bees cannot see red, some red flowers have adapted by reflecting UV light, making them visible to bees. This adaptation ensures that even flowers with colours outside a bee’s visible spectrum can still attract these vital pollinators.
Shape
Image by Leopictures from Pixabay
Another key feature is the flower’s shape and structure. Bees prefer open-faced or tubular flowers that are easy to land on and explore. Blooms that are too complex or tightly closed may be inaccessible, especially to smaller or short-tongued species. Larger flowers or those in dense clusters also help bees conserve energy by allowing them to collect more nectar or pollen in a single visit. Plants like lavender, borage, and the Australian native Hardenbergia violacea (False Sarsaparilla) tick all these boxes, offering accessible flowers in bee-attractive shades of violet and blue.
In addition to these preferences, researchers know that bees favour flowers with symmetrical shapes and distinct patterns.
Such features make it easier for bees to identify and remember flowers that provide ample nectar and pollen. For instance, the radial symmetry of daisies and sunflowers provides a clear visual cue, guiding bees directly to the centre where nectar and pollen are located.
Moreover, the structural design of flowers can influence a bee’s efficiency in foraging. Flowers that allow easy access to nectar reduce the time and energy bees expend during each visit, enabling them to forage more effectively and pollinate more plants. This mutual benefit underscores the co-evolution of bees and flowering plants, where both have adapted traits that support each other’s survival and success.
Nectar Guides
Imagine you’re a bee on a mission, buzzing through a meadow in search of nectar. Suddenly, a flower catches your eye, not just because of its colour, but because of special patterns on its petals. These are nectar guides, nature’s way of saying, “This way to the sweet stuff!”
Nectar guides are visual cues found on the petals of many flowers. While some are visible to humans as contrasting colours or patterns, others are only visible in the ultraviolet (UV) spectrum. As mentioned above, UV is a range of light that bees can see but humans cannot. These UV patterns often appear as bullseyes or lines directing towards the centre of the flower, effectively guiding bees to the nectar and pollen.
These guides are more than just pretty patterns; they play a crucial role in pollination. By directing bees efficiently to their rewards, nectar guides help ensure that bees collect nectar and, in the process, transfer pollen from one flower to another. This mutualistic relationship benefits both the bees, who get food, and the plants, which achieve pollination.
Interestingly, nectar guides can also influence bee behaviour. Studies have shown that bees spend less time on flowers with nectar guides after feeding, suggesting that these patterns help regulate foraging efficiency.
Olfactory Cues: Following the Fragrance Trail
If colour catches a bee’s eye, then scent captures its attention from a distance. Bees are equipped with a highly sensitive olfactory system that allows them to detect floral scents even while flying. Flowers use this to their advantage by producing aromatic compounds that signal nectar and pollen availability. These olfactory cues are crucial, especially in windy environments where visual markers might not be as effective.
Image by Rebekka D from Pixabay
Bees are generally drawn to sweet, herbal, or spicy scents, fragrances that indicate a flower is likely to offer a high-energy nectar reward. A great example of plants that bees absolutely adore is the fragrant mint family (Lamiaceae) that includes plants such as basil, oregano, thyme, and lavender. Their strong, pleasant aroma isn’t just for humans; it’s a direct message to bees that food is nearby. In Australia, native plants like Prostanthera rotundifolia (Round-leaved Mint Bush) and Westringia fruticosa (Coastal Rosemary) also produce fragrant oils that are incredibly appealing to native bees.
Interestingly, a bee visiting a flower enhances the flower’s scent. When a bee lands, its tiny body imparts a positive electrical charge onto the flower. This stimulates the release of more scent molecules, essentially turning the volume up on the flower’s fragrance. This process not only benefits the next pollinator but also reinforces the success of the plant in attracting multiple visitors throughout the day.
Chemical Cues: Taste and Trust in the Floral World
Once a bee lands on a flower, it doesn’t commit to harvesting unless the reward meets its expectations. This is where chemical cues come into play. Flowers not only offer nectar and pollen—they offer chemical feedback that informs the bee about the quality and nutritional value of those rewards. Some flowers may even have unique flavours or chemical compositions that enhance the bees’ memory, making it more likely to return.
Pollen, for instance, isn’t just a protein-packed meal for bee larvae; foraging bees also taste it. If the pollen is high in protein and essential amino acids, bees are more likely to return to that flower species. In this way, bees learn to associate taste with trust. Plants that produce honest chemical signals, where fragrance or colour accurately reflects reward, are far more likely to receive repeat visits than deceptive ones.
Image by Beverly Buckley from Pixabay
Many native Australian flowers are rich in these “honest signals.” Plants like Leptospermum (tea trees) and Callistemon (bottlebrush) offer abundant nectar and pollen, and their reliability encourages loyalty among bee populations. Over time, this builds a mutually beneficial relationship where both the flower and the pollinator thrive. Bees even share this chemical information with their hives, directing their sisters to the most rewarding blooms.
What Are the Most Attractive Flowers for Bees in Australia?
If you’re planning to create a bee-friendly garden or support native pollinators, choosing the right flowers that attract bees is key. Here are some standout choices, all well-suited for Australian climates:
Native Flowers
Australian native flowers are not only beautiful, but they also play a vital role in maintaining the ecological balance of the country’s unique environment. Unlike introduced species, these flowers have evolved over millennia to coexist with native fauna, particularly the diverse range of native bees. Growing these flowers in your garden or local ecosystems helps preserve Australia’s natural heritage, supports local wildlife, and contributes to the health of the environment.
One of the most important aspects of Australian native flowers is their relationship with native bees. These bees, such as the Blue Banded Bee and the Teddy Bear Bee, have evolved alongside these plants, and many of the flowers rely on these bees for pollination. Bees are important contributors to the ecosystem, and they are responsible for gathering nectar and pollen, a process that is crucial for nature’s survival. Native flowers often offer food sources that are perfectly suited to the needs of these bees, such as the long-tubed flowers of Grevilleas or the vibrant blossoms of Banksias. By planting these flowers, gardeners can provide a steady and reliable food source for bees, especially during periods when other flowers might not be in bloom.
Australian native flowers environmental impact
These plants are adapted to the local climate and soil conditions, meaning they require less water and fewer chemical inputs like fertilisers and pesticides, making them more sustainable choices for gardens. Furthermore, as native bees are important pollinators for many food crops, helping their populations thrive can have significant benefits for agriculture. By creating spaces that encourage the flourishing of native flowers and bees, we can help sustain biodiversity, promote ecological health, and contribute to the long-term survival of both plants and pollinators.
These are the best flowers to help save the bees:
Grevillea spp. (Spider Flower)
Image by Terri Sharp from Pixabay
Grevilleas are a diverse genus of evergreen shrubs and trees native to Australia, renowned for their unique, spider-like flowers that come in vibrant shades of red, orange, pink, and yellow. These blooms are rich in nectar, making them a favourite among various bee species, including both native bees and the introduced European honeybee.
The flowering period varies among species, but many grevilleas offer extended blooming seasons, providing a consistent food source for pollinators. Their adaptability to different soil types and climates, coupled with their drought tolerance, makes them an excellent choice for gardeners aiming to support local bee populations. Additionally, grevilleas’ intricate flower structures not only attract bees but also birds and other beneficial insects, enhancing biodiversity in gardens.
Callistemon spp. (Bottlebrush)
Image by Michelle Pitzel from Pixabay
Commonly known as bottlebrushes due to their cylindrical, brush-like flower spikes, Callistemon species are iconic Australian natives that thrive in a variety of environments. Their bright red, pink, or yellow blooms are a great source of nectar and pollen, attracting various kinds of pollinators, especially bees.
These hardy shrubs bloom predominantly in spring and summer, though some species flower throughout the year, offering a reliable food source. Their adaptability to different soil conditions, including poor and waterlogged soils, along with their tolerance to drought and frost, makes them a resilient addition to bee-friendly gardens. In addition to being a great source of pollen and nectar for bees, these flowers also add ornamental value to landscapes.
Melaleuca spp. (Paperbark)
Melaleucas, or paperbarks, are versatile and unique-looking Australian native plants that have a papery bark and fluffy, bottlebrush-like blooms. Their flowers, often white, cream, or shades of pink and purple, are rich in nectar and attract a wide array of pollinators, including bees. Their flowering season is usually from late spring to autumn, but it can vary depending on the species.
Melaleucas are well-suited to various environments, from coastal regions to wetlands, and are known for their hardiness and low maintenance requirements. Their ability to thrive in challenging conditions makes them a valuable plant for supporting bee populations across diverse Australian landscapes.
Leptospermum spp. (Tea Tree)
Leptospermum, commonly referred to as tea trees, encompass a range of shrubs and small trees native to Australia. They are celebrated for their profuse, small, white to pink flowers that bloom in spring and early summer. These blossoms are highly attractive to bees, offering abundant nectar and pollen.
Tea trees are adaptable to various soil types and conditions, including sandy and coastal areas, and are known for their resilience to drought and frost. Beyond their ecological benefits, Leptospermum species are also valued for their ornamental appeal and the production of medicinal honey, such as the renowned Manuka honey derived from Leptospermum scoparium.
Hardenbergia violacea (False Sarsaparilla)
Hardenbergia violacea, also known as false sarsaparilla or purple coral pea, is a vigorous, twining vine native to Australia. It produces masses of vibrant purple, pea-like flowers with a contrasting yellow centre, typically blooming from late winter to early spring. These early-season flowers provide an essential nectar source for bees emerging from dormancy. Hardenbergia is adaptable to various growing conditions, thriving in full sun to partial shade and tolerating a range of soil types. Its climbing habit makes it suitable for covering fences, trellises, or as ground cover, adding both ecological and aesthetic value to gardens.
Scaevola spp. (Fan Flower)
The Scaevola, commonly referred to as the fan flower, includes a group of low-growing, spreading plants that are native to the Australian continent. They are distinguished by their unique, fan-shaped flowers, which come in shades of blue, purple, pink, or white, and bloom profusely from spring through autumn.
These flowers are rich in nectar, attracting bees and other pollinators. Scaevola species are well-suited to hanging baskets, containers, and as ground covers, particularly in coastal or sandy soils. Their tolerance to heat and drought, combined with their extended flowering period, makes them an excellent choice for creating bee-friendly gardens.
Prostanthera spp. (Mint Bush)
Image by Annette Meyer from Pixabay
Prostanthera, or mint bushes, are aromatic shrubs endemic to Australia, known for their fragrant foliage and abundant, tubular flowers in shades of purple, blue, pink, or white. Flowering typically occurs in spring and early summer, providing a valuable nectar source for bees during this period.
The strong scent of the leaves, reminiscent of mint, adds sensory appeal to gardens. Prostanthera species prefer well-drained soils and can thrive in both full sun and partial shade. Their compact growth habit and ornamental flowers make them a popular choice for native gardens aiming to support pollinator populations.
Eucalyptus spp. (Gum Trees)
Eucalyptus trees, commonly referred to as gum trees, are a dominant component of Australian flora, encompassing a vast array of species. They produce clusters of small, fluffy flowers in colours ranging from white and cream to pink and red, depending on the species. These blooms are rich in nectar and pollen, making them a crucial food source for bees and other pollinators.
Eucalyptus trees flower at various times throughout the year, ensuring a continuous supply of resources for bees. Their adaptability to different environments and their role in honey production underscore their importance in supporting Australia’s bee populations.
Transforming your balcony or terrace into a haven for native bees is not only a delightful way to enhance your outdoor space but also a meaningful contribution to local biodiversity. By incorporating potted plants that attract these essential pollinators, you create a mini-ecosystem that supports their survival and promotes ecological balance.
Potted Plants
Native bees play a crucial role in pollinating a wide variety of plants, including many of the foods we enjoy daily. However, urbanisation and habitat loss have significantly impacted their populations. By introducing bee-friendly plants into your balcony or terrace garden, you provide much-needed foraging opportunities and nesting habitats, helping to sustain these vital insects.
Moreover, cultivating such plants in containers is an accessible and versatile gardening approach. Whether you have a spacious terrace or a modest balcony, potted plants can be arranged to maximise space and sunlight exposure, creating an inviting environment for both bees and humans. The vibrant blooms not only attract pollinators but also add aesthetic appeal to your outdoor area.
Incorporating potted plants that attract native bees into your balcony or terrace garden is a rewarding endeavour. It’s a simple yet effective way to support pollinator populations, enhance the beauty of your outdoor space, and contribute to the health of our environment. So, grab your gardening gloves and get ready to welcome some buzzing visitors!
Cyclamen (Cyclamen spp.)
Image by Annette Meyer from Pixabay
Cyclamen are charming, compact plants with upswept petals and heart-shaped leaves, making them ideal for pots and window boxes. While often associated with cooler seasons, their early bloom times provide a valuable nectar source for bees emerging from dormancy. The unique flower structure allows easy access to nectar, and their vibrant colours add visual appeal to any container garden.
Calandiva (Kalanchoe blossfeldiana ‘Calandiva’)
Image by hartono subagio from Pixabay
Calandiva is a double-flowered variety of Kalanchoe, known for its clusters of small, rose-like blooms in various colours. While not as nectar-rich as some other plants, their long-lasting flowers can still attract bees, especially when other sources are scarce. They thrive in pots with good drainage and require minimal maintenance, making them a practical choice for container gardens.
Lavender (Lavandula spp.)
Image by NoName_13 from Pixabay
Lavender is a fragrant herb with spikes of purple flowers that are highly attractive to bees. Its compact growth habit makes it suitable for pots, and it thrives in well-drained soil with plenty of sunlight. Beyond its pollinator benefits, lavender adds a pleasant aroma and can be used in culinary applications.
Salvia (Salvia spp.)
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Salvia, or sage, encompasses a variety of species known for their tubular flowers and aromatic foliage. Bees are particularly drawn to their vibrant blooms, which come in shades of blue, purple, red, and pink. Salvias perform well in containers, provided they receive ample sunlight and well-draining soil.
Borage (Borago officinalis)
Image by Manfred Antranias Zimmer from Pixabay
Borage is an annual herb with star-shaped blue flowers that are a magnet for bees. It grows well in pots and can be a charming addition to container gardens. The plant is also edible, with leaves and flowers that can be used in salads and beverages.
Catmint (Nepeta spp.)
Image by PollyDot from Pixabay
Catmint is a hardy perennial with soft, grey-green foliage and spikes of lavender-blue flowers. It’s known for its long blooming period and ability to attract bees and other pollinators. Catmint does well when planted in containers as long as it can enjoy plenty of natural light and well-drained soil.
Geranium (Pelargonium spp.)
Image by JackieLou DL from Pixabay
Geraniums are popular container plants with a wide range of flower colours. While not all varieties are equally attractive to bees, single-flowered types tend to be more accessible and nectar-rich. Like many potted plants, geraniums will reward you with their attractive blooms if you place them in a sunny location and ensure that they have well-drained soil.
Marigold (Tagetes spp.)
Image by NgocHoan Le from Pixabay
Marigolds are bright, cheerful flowers that can attract bees, especially single-flowered varieties. They are easy to grow in pots and can help deter certain garden pests, making them both decorative and functional.
Nasturtium (Tropaeolum majus)
Nasturtiums are decorative, trailing plants that produce colourful flowers. Their round leaves make them ideal plants to grow in hanging baskets and container edges. Their nectar-rich blooms are favoured by bees, and the entire plant is edible, adding a peppery flavour to salads.
Bee Balm (Monarda spp.)
A perennial herb with tubular flowers in shades of red, pink, purple, or white. Bee Balm is highly attractive to bees and other beneficial pollinators that visit your garden. While it can grow large, dwarf varieties are suitable for containers.
Common Australian Bees: Who’s Visiting Your Flowers?
When we think of bees, we usually picture the European honeybee (Apis mellifera), but Australia is home to over 1,700 native bee species, many of which are just as important for pollination. These native bees are incredibly diverse in size, colour, and behaviour, and many of them are highly efficient pollinators of Australian flora.
Top Native Bees You Might See in Your Garden
Blue-banded Bee (Amegilla cingulata)
The Blue-banded Bee (Amegilla cingulata) is easily recognised by its striking blue and black stripes, making it a standout in any garden. These bees are “buzz-pollinators,” meaning they vibrate flowers to release pollen, a technique that makes them especially effective at pollinating certain plants. Blue-banded Bees are particularly drawn to blue and purple flowers, such as lavender and salvia. Their unique method of pollination allows them to access nectar and pollen from flowers that other bees may have difficulty visiting. As they move from flower to flower, they play a crucial role in pollinating many plants, contributing to the health and vitality of your garden.
Teddy Bear Bee (Amegilla bombiformis)
Photograph copyright: ozwildlife
The Teddy Bear Bee (Amegilla bombiformis) is another fascinating Australian native bee, easily identified by its fuzzy, golden appearance that resembles a tiny teddy bear. This solitary bee is most active during the spring and summer months. Though gentle, it is a highly efficient pollinator. Teddy Bear Bees are particularly attracted to a wide range of native Australian flowers, often visiting those that have a more tubular shape. Their fluffy bodies help collect and transfer pollen as they forage for nectar. These bees are important contributors to the reproduction of many native plants, including various species of wattles and other spring-blooming flowers.
Leafcutter Bees (Megachile spp.)
Image from inaturalist
Leafcutter Bees (Megachile spp.) are known for their distinctive behaviour of cutting leaves to build nest chambers. These bees are not only fascinating to watch but also highly effective pollinators. They tend to favour plants like legumes and daisies, as they are particularly efficient in transferring pollen between these types of flowers. Leafcutter Bees play an important role in ensuring the health of leguminous plants, which are essential for enriching soil with nitrogen and providing food for many animals. By visiting daisies and legumes, they contribute to both the biodiversity and the agricultural health of the environment.
Resin Bees (Hylaeus spp. and others)
Image from Aussiebee
Resin Bees (Hylaeus spp. and others) are another group of native bees that gather plant resins to construct their nests. These bees are commonly seen on the flowers of grevilleas and bottlebrushes, where they forage for nectar. The resin they collect is used to line their nests, providing a safe and durable environment for their young. As they move from flower to flower, Resin Bees also perform vital pollination services, helping to ensure the continued reproduction of plants like grevilleas, which are important not only for pollination but also for providing habitat and food for a variety of wildlife.
Carpenter Bees (Xylocopa spp.)
Carpenter Bees (Xylocopa spp.) are large, black bees that are often seen drilling into wood to create their nests. Despite their size and sometimes intimidating appearance, they are powerful pollinators. Carpenter Bees prefer larger flowers, such as those from the native banksia or the vibrant blossoms of the eucalyptus tree. Their strong, robust bodies enable them to access nectar and pollen from flowers with tougher structures, which are often challenging for other bees to pollinate. As they pollinate these larger flowers, Carpenter Bees play a significant role in supporting the biodiversity of Australian plants and ecosystems.
While not all native bees produce honey, they play a vital role in maintaining healthy ecosystems and ensuring the pollination of native and agricultural plants. Encouraging their presence by growing flowers that attract bees is an easy and rewarding way to contribute to biodiversity.
In Conclusion
Flowers have evolved a fascinating array of strategies to attract bees, using a combination of visual, olfactory, and chemical cues to ensure their pollination. By offering vibrant colours, sweet fragrances, and distinct chemical signals, they create a complex but effective communication system that invites bees to visit, forage, and help spread pollen from one bloom to the next. For bees, these cues are essential not only for finding their next meal but also for the survival of their species, as they depend on flowers for nectar, pollen, and nesting materials.
In Australia, native flowers play a crucial role in supporting the country’s diverse bee populations. From the Blue-banded Bee’s affinity for blue and purple blooms to the Teddy Bear Bee’s attraction to springtime flowers, each bee species has its preferences and unique relationship with plants.
By cultivating native Australian flowers, we can help sustain local bee populations, promoting biodiversity and ensuring the long-term health of both plant and pollinator communities. The partnership between bees and flowers is not just a beautiful interaction, but a vital one, supporting the balance of ecosystems and the growth of our natural world. As we continue to explore and understand the ways flowers attract bees, we gain a deeper appreciation for the delicate yet powerful connections that sustain life on Earth.
FAQ
What flower attracts bees the most?
The flowers that attract bees the most are those with abundant nectar, vibrant colours, and appealing scents. Popular choices include lavender, with its strong fragrance and purple blooms, and sunflowers, which offer plenty of nectar and pollen. Clover, especially white clover, is also a favourite for bees due to its steady nectar supply. Borage is another bee-favourite plant that produces attractive star-shaped blue flowers. In Australia, native flowers like Grevilleas, Banksias, and Bottlebrushes are essential for supporting local bee populations, providing both nectar and pollen crucial for their survival.
What flower do bees like the most in Australia?
In Australia, bees are especially attracted to native flowers like the Eucalyptus, Melaleuca (paperbark), Grevillea, and Leptospermum (tea tree). Among these, Eucalyptus flowers are a top favourite due to their abundant nectar and widespread presence. Grevilleas are also highly attractive to native bees, offering bright, tubular flowers and year-round blooms. Native stingless bees prefer small blooms that are open and allow easy access, such as Leptospermum. Planting a variety of native species ensures continuous blooms and supports bee health and biodiversity. These flowers not only feed bees but also help preserve Australia’s unique ecosystem.
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