When most people think of insects, they think of the bad ones, but not all insects are bad! Insects are labeled as bad or ‘pests’ when they start causing harm to people or the things we care about such as plants, animals, and buildings but most insects are GOOD! In fact, of the millions of insect species found throughout the world, less than 2% are actually considered pests. There are several different ways insects can be beneficial in your garden or landscape:
They prey on pest insects. Many species of insects eat pest insects! For example, lady beetles (ladybugs) and lacewings eat pest insects like aphids, mealybugs and whiteflies. They can help keep insect populations in balance. It’s important to recognize some of the beneficial insect species (and their different life cycle stages) that you might find in your garden. The UF/IFAS Extension bookstore has a great identification guide: Helpful, Harmful, Harmless?
They parasitize pest insects. Some species of good insects live in or on pest insects. For example, parasitoid wasps lay their eggs into pest insects and when the wasp eggs hatch, they feed on the pest species. Here’s a really great video to show the process: Parasitic Wasps – National Geographic
They pollinate. Many of the good insects like native bees, honeybees, butterflies and moths help us pollinate our gardens. They transfer pollen grains from flower to flower that help plants bear fruit.
They decompose. Insects also help aerate our soils by breaking down dead material and recycling nutrients. Dung beetles are a great example! They bury and consume dung which improves soil quality.
One of the best things you can do for your garden is learn to differentiate pest insect species from beneficial ones! Just because you see an insect on your plant, doesn’t necessarily mean it is causing harm. If you see an insect, are you seeing injury to the plant? If so, what type of injury (defoliation, yellowing, leaf curling)? If you aren’t seeing injury, then you may not have anything to worry about. If you find something you’re unsure of, you can always reach out to your local UF/IFAS Extension Agent!
Pipevine swallowtail on Azalea.
Attracting and encouraging beneficial insects can really help your garden and landscape thrive. The best way to attract beneficial insects to your garden or landscape is to have lots of plant diversity. A mix of trees, shrubs, annual and perennial flowers in the landscape is best. Trees and shrubs will provide shelter for insects to overwinter, and flowers provide pollen and nectar.
Flowers in the carrot family (Apiaceae) such as caraway, coriander, cilantro, dill and fennel are attractive for parasitic wasps. Flowers in the Aster family (Asteraceae) such as blanketflower, coneflower, coreopsis, cosmos and goldenrod are attractive for larger predators like lady beetles and soldier beetles. These can be incorporated into the garden or flower beds.
Gardening in the Panhandle LIVE! is launching Season 6 with new topics starting on March 6, 2025! Each episode is delivered live on Zoom Webinar then posted to our YouTube Playlist. If you would like to join us live and help drive the panel discussion, be sure to click on the title below to register and submit your questions a few days prior to air date.
Learn how to incorporate edible plants into your landscape. Whether your goal is a large vegetable garden or one tree with edible fruit, we can help you find ways to make your landscape a source of fresh food!
Are you trying to create a tropical look in your North Florida yard but frustrated with freeze damage? Let us teach you what plants can offer lush foliage and withstand cold weather!
Not only people love Florida’s climate, but many plant pests thrive here, too. Learn how to identify and manage landscape pests using Florida-Friendly Landscaping practices.
We all know the importance of pollinators, but how can you help to support them? Join us to learn how to attract, identify, and count for the 2025 Great Southeast Pollinator Count!
Growing houseplants can be tricky since our indoor climate is very different from outdoors. Learn how to help your houseplants thrive while keeping your home comfortable!
Flowering bulbs can create dramatic impact in the landscape, but some have specific requirements that might not fit our climate and soil conditions. Learn how to select the right ones for your North Florida landscape!
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How often do we stop to think of the importance of pollinators to food security?
Pollination is often described as the transfer of pollen grains from the anther to the stigma of a flowering plant. These transfers are made possible due to pollinator visits in exchange of pollen and nectar from the plants.
Who are our pollinators?
Main Global Pollinators
Social Solitary
Honeybees Alfalfa leafcutter bee
Bumble bees Mason bees
Stingless bees Other leafcutter bees
How can we care for pollinators?
We can care for our pollinators by growing plants that have abundant and accessible pollen and nectar.
Choose plants with flat flowers or short to medium-length flowers tubes (corollas), and limit plants with long flower tubes such as honey suckle.
Avoid plant varieties that do not provide floral rewards (pollen), which is the essential food source for bees. (e.g., some sunflower, and lilies).
While we think of most flies as pests, garden flies, such as Allograpta obliqua species found in Florida, are excellent pollinators and insect predators. Photo by Jessica Louque, Smithers Viscient, Bugwood.org.
Many native wild bees have relatively short proboscises, or tongues, and may not be able to access nectar from flowers with long tubes; however, flowers with long floral tubes can attract other pollinators with long tongues or beaks such as butterflies, moths, and hummingbirds.
Arewe creating an ecosystemaesthetically pleasing while attracting pollinators?
UF/IFAS Photo: Tyler Jones
The planting of native wildflowers in Florida can benefit agricultural producers likewise, native pollinators and other beneficial such as parasitoids and predators.
Some of the main benefits of growing native wildflower are:
Increasing wild bee presence in the surroundings
Providing nesting and foraging sites for pollinators, butterflies, bees etc.
Increasing natural enemies of pest insects.
It is important to select mix varieties of native wildflowers when restoring habitats for our pollinators. Mix varieties will flower all year round and make available a continuous supply of nectar and pollen. If possible, use wildflower seeds that are produced in the state that you want to carry out pollinator restoration. It is highly likely that one will experience better growth from locally produced seeds because they will adapt better to regional growing conditions and the climate. For optimum flowering and high production of floral rewards such as pollen and nectar, place wildflowers in areas free of pesticides and soil disturbance.
Most bee species are solitary, and 70% of these solitary bees’ nest in the ground. A wildflower area of refuge can fulfill the shelter resource needs of these bees since that area will not undergo regular tilling, thus minimizing nest disturbance.
For some common native wildflowers of north Florida, you can see: Common Native Wildflowers of North Florida by Jeffrey G. Norcini : https://edis.ifas.ufl.edu/pdf/EP/EP061/EP061-15448828.pdf and Attracting Native Bees to Your Florida Landscape 1 Rachel E. Mallinger, Wayne Hobbs, Anne Yasalonis, and Gary Knox: IN125500.pdf (ufl.edu)
This month’s program focused on Citrus for the Home Landscape. Citrus is a wonderful addition to your landscape. You may have tried it before and run into some issues. This episode of Gardening in the Panhandle seeks to demystify these trees. Below is a summary of the program with links and references.
Panelists introduction:
Daniel Leonard – County Extension Director/Agriculture, Horticulture, and Natural Resources Agent, Calhoun County (Moderator)
Beth Bolles – Horticulture agent, Escambia County
Matt Lollar – Commercial Horticulture agent, Santa Rosa County
Danielle Williams – Regional Commercial Horticulture agent, Gadsden County
Danielle was asked what the best cold hearty citrus is in the Panhandle:
She began by describing the conditions brought to the region by winter storm Elliot, and that one tree which performed well during it was Satsuma Mandarin (Citrus unshiu) which tends to be the most cold hearty citrus in our area that will grow. Some of these varieties are Brown Select, Owari, and Zaishan. Another variety of citrus that may be grown here is kumquat (Citrus japonica) and calamondin (Citrus x microcarpa) are other types that typically grow here. At the moment, there is evidence of damage to other types of citrus from the cold. Particularly with lemons, limes, and grapefruit.
Matt was then asked which limes grow best in N. Florida:
His top two recommendations are limequat (Citrofortunella x floridana) or if you’re interested in more juice or zest, a rangpur lime (Citrus x limona) which is a lemon crossed with a mandarin. They produce heavily and make an excellent key lime pie. They can be propagated from seed and be true to type. However, it was noted that it is illegal in Florida to propagate your own citrus tree and that they must be purchased from a certified citrus nursery.
The next question returned to Matt concerning growing key limes in containers:
There are a number of citrus recommended for containers as they are very adaptable to containers. Key lime (Citrus x aurantiifolia) should do well in containers though you’ll want a large container to accommodate root growth and drainage. The second of these is important as citrus does not like to sit in excessive moisture. Purchase a potting mix (one that does not specify “garden soil”) from the store preferably one without a moisture control element. They will need to be put inside for cold protection and will need supplemental lighting while indoors.
Beth was asked next about the viability of growing citrus under the canopy of other trees:
She said that citrus needs sunlight to produce well in general, but there is a possibility of growing citrus with a little shade. They will most likely not do well in excessive shade and if grown in a pine hammock you may need to amend soils. Recent research has shown promise in citrus production and potentially some greening protection under a 30% shaded environment.
The panel went back to Danielle about which lemons do well in the Panhandle:
She said that Meyer lemon (Citrus x meyeri) is one of our more cold-tolerant types, but that is not always the case. Harvey lemons (Citrus x pyriformis) may work as well though they may suffer the same as Meyer types.
The whole panel was asked to provide some varieties of grapefruit that may do well:
Danielle suggested ruby red grapefruit (Citrus paradisi ‘Ruby Red’) or marsh grapefruit (Citrus paradisi ‘Marsh’) are her favorites that may do well with cold depending on the microclimates where they are grown. Matt agreed with Danielle and added that a pomelo (Citrus maxima) could also be an option though they can get very large fruit and may need extra work to eat. Beth added that she agreed but to keep in mind that these may still suffer in colder years and emphasized microclimates and knowing your growth environment.
Matt was asked next about cold mitigation strategies for citrus:
He said you should plant new trees close to your house on the south side or use surrounding trees to create microclimates. Heavily wetting the soil will also provide some protection when cold is expected due to heat absorption with wet soil. You can also pile dirt or mulch around the graft union of the tree which will need to be removed when the cold is gone. He also pointed out that commercial growers often use microjet irrigation throughout the night in freeze which can release some heat.
Beth then answered a question about growing in containers:
She said you may have to accept the frangible nature of citrus. She went on to say you need to match the container to the tree and that will come with a large amount of work. So containers are not worth it in her opinion.
Danielle was asked if the tree will bear fruit from suckers:
All citrus is grafted, and where the scion wood and root stock meet is called a bud union. Above this union is the desired tree capable of producing the anticipated fruit, below is the rootstock that was chosen for its ability to survive and will not necessarily produce good fruit which is most likely this is a sour orange. The sprouts originating from the rootstock are known as suckers which may present differently than the rest of the trees (leaves in threes, excessive spines). Growth from above the graft union will be the desired tree capable of producing the desired fruit.
The answer is that there is a high likelihood that your tree was grafted if bought from the nursery. Citrus may be grown from seed but will take a long time to grow and produce fruit.
Danielle was then asked about letting citrus grow in a pot prior to planting into the environment and whether this will add cold protection:
She said that you can of course allow the tree to grow in a container prior to planting in your yard, but this is not a requirement. Established trees handle cold weather better than stressed trees which have recently been planted. To this end, make sure you plant the trees in spring or summer prior to August to allow them some growth time in your yard before the cold arrives.
She advised waiting on pruning after a freeze to allow the plant to come back naturally. Once the plant has come back with enough new growth to help it survive. At about 4 months post-freeze event you may begin to assume the plant has died if growth is not beginning. Danielle added that there is a chance the tree will begin to grow again, and the new growth will not survive. This is not unusual, and you should wait to prune till May or June to ensure you’re only removing dead tissue.
Matt next answered a question about cold damage in containerized citrus:
He pointed out that your tree in this situation may be more susceptible to damage as it did not have the surrounding soil as an insulator from the cold.
The whole panel was asked about replacing a tree in the same spot that has died:
Danielle answered that you should take into account that the tree was in the correct place to begin with and if the reason for death was from the cold or something else. If from cold there should be no issue with replacing that tree.
Danielle was then asked about citrus greening:
Citrus is a major crop in Florida and has been declining due in part to citrus greening. It is a bacteria transmitted by the Asian Citrus Psyllid. This disease plugs up the phloem or nutrient transmission tissue in the tree leading to poor quality fruit and causing decline in tree health. There is a research station dedicated to breeding and dealing with this disease. UF has developed varieties with greening tolerance, and the disease is not as widespread in the Panhandle. ‘Sugarbelle’ and ‘Bingo’ are two of these varieties and are a type of mandarin that did somewhat ok in the cold. Look for the adult insect in the new growth to monitor tree health along with yellowing, corky veins, and lopsided fruit. The difference between this and nutrient deficiency lies in the leaf which will lose symmetry with the disease. Contact your extension agent to identify the disease.
Beth then addressed when you should plant citrus trees:
She emphasized the need to buy registered citrus trees from a reputable nursery. Pick the correct location and plant spring to summer. The key to citrus is planting depth. They need to be shallow in the soil to allow proper water, nutrients, and air flow.
Matt was asked next about fertilization:
He said you can begin fertilization about a month after planting keeping in mind where the root zone of the tree. Trees that are a year old or more will benefit from multiple fertilizations throughout the year approximately 6 times in ¼ to ½ pound increments. The table at the end of the link below will guide you to correct fertilization.
For satsuma, the tree requires more fertilizer with age. Anything five years of older needs about 1-1.5 pounds of nitrogen per year, split into multiple applications. Reference the guide from Matt’s answer for the number of applications. The preblended fruit tree fertilizers sold in the store are great for use with citrus trees.
Beth was asked next about mulching:
Many documents don’t recommend mulch due to the disease potential. This is for commercial groves and does not necessarily relate to the home landscape. Be careful to keep the mulch away from the base of the tree to prevent water retention.
Matt was asked next about trees that flower but don’t produce fruit:
Two guesses to the reason are irrigation being off (too much or too little), the other is too much fertilizer at one time particularly when the tree is setting fruit. This is especially important when the tree is flowering as it can discourage reproductive growth. Danielle added that it is not uncommon for citrus to have a “June drop” of fruit.
The panel went back to Matt to discuss using permaculture concepts with citrus trees.
He said this will work with citrus though you’ll want to remember the tree may have a larger canopy so something like lettuce (Lactuca sativa) may be a better option to grow below the tree and to avoid vining plants in this scenario. Keep in mind the local environment and that we have a higher moisture level so spacing your crops apart is important to avoid disease pressure.
Danielle next answered a question about when to harvest the fruit of your citrus tree:
She said that the commercial growers use a Brix to acid ratio, but that requires special equipment which most homeowners don’t own. A better solution for homeowners is to watch for color break (this is when your fruit changes from green to its mature color) and begin tasting the fruit at this time. Things here tend to be ready Oct-Dec (may differ based on variety), and you’ll want to remove the fruit at that point. Leaving the fruit on the tree through winter may result in a loss in a hard freeze.
Beth was then asked about citrus pruning:
She said that in a home scenario, you’ll not need to prune much. It’s okay for your trees to look different. Pruning involves the removal of dead or diseased wood to a live bud or lateral shoot. You can also remove any branches which have become too large or out of bounds. As well any branches growing too close to the ground can be taken off. Also, any suckers originating from the root stack should be taken off. Finally, any aggressive growth through the center of the plant should be cut off. Branches that are growing downward don’t necessarily need to be removed completely unless appropriate to do so.
Next, Matt was asked about using kumquat as a hedge:
He said it is possible and has been done commercially to ease equipment use or promote health after the plant is harvested. He emphasized Beth’s thoughts on cutting back to a lateral bud to simplify making a hedge from citrus. One plant he said will do well in this scenario is a trifoliate orange (Poncirus trifoliata), but keep in mind their thorns.
The panel finished with a few questions for Danielle on insects:
The first was what is and what to do about wrinkled leaves on your citrus:
To this she said the damage is most likely old citrus leaf miner (Phyllocnistis citrella) insect injury. These are the larval form of a moth which lays eggs in new growth of citrus. The biggest signifier of this are lines or tunnels throughout the leaf. As the tree grows, the leaves are stunted and become curled. There is nothing that may be done about these as the larvae have grown and moved on. It will not harm the tree aside from destruction of photosynthetic materials but is generally not broad ranging. The effect is cosmetic and will not cause harm to the tree or yield.
The next question was about insect protection through the summer using natural products.
She began by emphasizing the FFL concept of right plant, right place. Essentially, make sure you’re setting your plant up to thrive. Once you’ve picked the proper spot, purchase a disease free tree from a certified nursery that has been inspected and is tagged. You’re likely to see leaf miners as discussed above or “orangedog” caterpillars. These are the larval form of the giant swallowtail butterfly (Papilio cresphontes) which are a pollinator. She pointed out that pest identification is crucial. One example is a friendly fungus that is entomopathogenic and attacks white fly nymphs. That said, there are natural solutions such as neem oil and Spinosad. You always want to know what you’re controlling and make sure you follow the label for all pesticides.
The program wrapped up with a question to Danielle about citrus resources for novice growers:
She began with our Gardening in the Panhandle newsletter. Another resource recently launched from the Citrus Research and Education Center has videos on everything from planting to insecticide use in citrus.
Citrus trees are a wonderful addition to your home landscape. As with all plants, there can be challenges growing them. A little patience and knowledge will go a long way to helping you grow a beautiful tree that can provide a bountiful harvest. Your local extension professional is always on hand to help. Reach out to us at this link: local extension agents.
Article written by Khadejah Scott, Horticulture/Agriculture/Natural Resources Agent – UF/IFAS Extension at Wakulla County.
Gardening for pollinators is not only beneficial for the environment, but it can also be a rewarding and fulfilling hobby. However, living in an apartment can pose a challenge for those who want to create a pollinator-friendly garden. But fear not! With a little bit of creativity and effort, you can still create a welcoming space for pollinators to thrive. Check out these tips to encourage pollinators at your apartment.
Choose Your Location
The balcony is the obvious first choice for your apartment pollinator garden. Alternatively, if your building has a roof, porch, terrace, or courtyard, check to see if you can use those spaces for a few plants.
Assess Your Size And Space
The majority of apartment dwellers value their available space strongly. Finding space for just you and your possessions, much less a garden can be difficult. But even the smallest areas have the potential to turn into green havens with a little imagination. Make sure your space gets adequate sunlight and is close to a source for watering.
Select Your Plant Types
One way to start your garden is by choosing the right plants. Diversity is the key to a good pollinator garden. Because each pollinator has its techniques for sourcing nectar and pollen, flowers should be as varied as the pollinators that visit them. Native plants such as Gaillardia (Gaillardia pulchella) are an excellent option as they provide food and shelter for local pollinators. Together with native plants, you may also grow annual ornamental flowers in smaller gardens that will thrive and provide an excellent source of nectar and pollen, like zinnias (Zinnia elegans), or sunflowers (Helianthus annuus). Another best option is also to use culinary herbs. For instance, basil (Ocimum basilicum) and oregano (Origanum vulgareare) are fantastic nectar sources if you allow them to flower. One creative way to create a pollinator-friendly garden is by incorporating a variety of textures and colors. This can include adding different heights, shapes, and textures to your garden, as well as incorporating a variety of flower colors. You can also choose plants that bloom at different times of the year to ensure a consistent food source. This will attract a wide range of pollinators, including bees, butterflies, and hummingbirds.
Sunflowers can be grown from seed and provide food for birds. Photo: J_McConnell, UF/IFAS
Plant in Containers
Another important aspect to consider is the type of containers you will use for your plants. You can use anything from traditional pots to repurposed containers like old tires or wooden boxes. Just make sure that your containers have proper drainage and are large enough to accommodate your plants. Plants such as swamp milkweed (Asclepias incarnata), Blazing Star (Liatris spp.), and Black-Eyed Susan (Rudbeckia hirta) do well in containers.
Think Vertically
In a small area, vines can significantly expand the habitat that is available by climbing up a trellis or lattice against a wall or fence. Numerous native vines such as the Maypop (Passiflora incarnata) can go in large containers and are excellent sources of nectar and pollen for pollinators.
Include Bird Feeders And Bird Houses
An enjoyable way to observe birds up close and get in touch with nature is using bird feeders. Additionally, they enhance the natural food sources that birds can find near your garden. Bird houses also provide shelter to cavity-nesting species and increase the species of birds at your apartment.
A hummingbird gathering nectar from a firespike (Odontonemastrictum) flower. Photo Credit: Knolllandscapindesign.com
Finally, make sure to supply a source of water for your pollinators. This can be as simple as a shallow dish or bowl filled with water or a small fountain. Just be sure to change the water regularly to prevent mosquito breeding.
Creating a pollinator-friendly garden in an apartment is not only possible but can be an enjoyable and rewarding experience. By following the tips above, you can create a welcoming environment for local pollinators to thrive. For questions about pollinators for apartment living, contact your county UF/IFAS Extension Office.
