Zinnias 101

Zinnias 101

Zinnias are well-known annual flowers, primarily recognized for their easy and fast growth. Their wide range of growing habits contributes to their popularity, as they can range from short and bushy to tall with a singular stalk. Regardless of their growing habit, Zinnias are prolific bloomers. They belong to the aster family and are native to Mexico and Central America, thriving particularly well throughout the South.

Photo: De’Anthony Price

Zinnia Characteristics

There are three distinct types of Zinnias based on floral structure: single, double, and semi-double. The different floral structures do not necessarily correlate with plant habits. ‘Single’ refers to flowers that have only a single row of petals, with the center of the flower clearly visible. ‘Double’ Zinnias have multiple rows of petals, and the center is not clearly visible. ‘Semi-double’ cultivars exhibit a combination of traits, with flowers having multiple rows of petals while still maintaining a clearly visible center.

Pollinators and Zinnias

Zinnias are great for attracting pollinators, especially butterflies. Interplanting zinnias between rows of vegetables or as a border around vegetables is a great way to attract more pollinators to your garden. There are a few guidelines available for attracting butterflies to your yard using zinnias. The taller varieties are better than dwarf or compact cultivars, and those with wide, flat blooms provide a larger landing surface. Flowers should have prominent yellow centers (disc floret); double bloom varieties make it difficult for butterflies to access nectar. It is also possible that some varieties attractive to butterflies produce a larger quantity of and/or better-quality nectar than others.

Photo: UF/IFAS

Planting Zinnias

Zinnias perform better in garden beds than containers and, due to their ability to grow so quickly, can be direct seeded. To direct seed, the soil temp should be at least 70 degrees and plant the seeds at 1/4’” deep. Zinnias can also be planted as transplants and should be done once the soil warms to 60 degrees. Plant spacing can be anywhere from 8 to 12 inches depending on the plant’s habit. Singular stalk varieties can be planted closer together and bushier varieties should be given more space. Zinnias prefer full sun and well-drained soil. For longer flowering, remove the old blooms.

Zinnia Management

When planting zinnias, it’s recommended to incorporate a general-purpose fertilizer with equal parts nitrogen, phosphorus, and potassium into the soil. Following planting, monthly fertilization with a phosphorus-rich fertilizer is advisable to encourage continuous blooming. Maintaining adequate moisture is crucial for zinnias but avoid overwatering as they thrive in moderately dry conditions. To prevent fungal diseases, water only when the top 1-2 inches of soil are dry, focusing on watering the base of the plant rather than the foliage whenever possible. Powdery mildew is a common issue with zinnias, but it can be managed by applying a fungicide when necessary. However, it’s best to prevent this problem by ensuring good air circulation and avoiding wet foliage.

Photo: De’Anthony Price
Diseased Zinnia

Zinnias as Cut Flowers

Zinnias, known for their vibrant charm, make delightful cut flowers that can brighten up indoor spaces for a week or longer. For optimal longevity, harvest the blooms when their centers are just beginning to unfurl fully. Trim away lower leaves and promptly place the cut ends into water-filled vases. Regularly refreshing the water helps prevent the growth of algae. When it comes to drying zinnias, double-flowered varieties are preferred as they tend to maintain their shape better than single forms. While all colors undergo slight changes during drying, cutting stems at their peak, removing leaves, and hanging them upside down in bundles away from direct sunlight facilitates the drying process effectively.

Photo: DeAnthony Price

Zinnia – University of Florida, Institute of Food and Agricultural Sciences (ufl.edu)

FPS-623/FP623: Zinnia spp. Zinnia (ufl.edu)

Backyard Landscaping Tips to Support Birds This December

Backyard Landscaping Tips to Support Birds This December

NATURE’S NOMADS

Florida has a diverse array of birds. Warblers, raptors, shorebirds, and more may be spotted now in North Florida. Your yard or landscape can serve as an ideal habitat for wildlife, particularly birds. Even a modest quarter-acre plot can be intentionally designed to offer a supportive environment for a variety of birds. Transforming your backyard into a sanctuary for birds might allow you to witness these fascinating visitors firsthand.

"Rudbeckia' photo by UF/IFAS
“Rudbeckia’ photo by UF/IFAS

CONSIDER NATIVE PLANTS

Bring a touch of local charm to your yard by choosing native plant species whenever you can. Native birds have a natural connection with these plants, having evolved alongside them. What’s more, landscapes featuring Florida-native plants demand less attention and resources compared to those with non-native varieties. Native plants are well-suited to the local soil conditions, usually need less fertilizer, and boast better resilience against common pests and diseases. Embrace the beauty of native flora while making your yard a low-maintenance haven for both birds and nature.

"Snags" photo by UF/IFAS
“Snags” photo by UF/IFAS

MAKE SAFE COVER AVAILABLE

When trees face disease or reach the end of their life, think about leaving them as standing snags—imperfect yet invaluable shelters for wildlife to feed and nest. Additionally, creating a couple brush piles, especially near other plants, offers fantastic cover and feeding spots for birds. These piles not only provide a feeding opportunity for our feathered friends but also act as protective hideouts in open spaces. Embrace the natural cycle by turning aging trees and brush into welcoming havens for local wildlife.

INCLUDE A VARIETY OF LAYERS

Birds take to the skies, and for a thriving habitat, it’s essential to have various levels in your environment—tall trees, medium-sized trees, high and low shrubs, and groundcover. The more diversity, the better, as different bird species rely on different layers for their needs.

Tall trees play a crucial role, creating a sort of continuous woodland environment where birds can gracefully move from tree to tree. The choice of trees and shrubs you plant significantly influences the overall health of your landscape. Opt for species that suit your specific site and soil conditions to ensure a welcoming and supportive environment for our avian friends

"Birdbath" photo by UF/IFAS
“Birdbath” photo by UF/IFAS

ADD A WATER SOURCE

Water is a vital ingredient for wildlife environments, and birds reap the rewards from any water source you offer. It can be as easy as placing a shallow dish or bowl filled with water or adding a small fountain to your outdoor space. Just remember to switch out the water regularly to thwart mosquito breeding and ensure a clean and refreshing oasis for our feathered companions.

UTILIZE BIRD FEEDERS

A delightful way to connect with nature and witness birds up close is by using bird feeders. Not only does this provide an opportunity for observation, but it also supplements the natural food sources available to birds near your garden. For those interested in incorporating bird feeders, it’s important to remember proper care and maintenance. Neglected feeders can become breeding grounds for mold and bacteria, posing a risk to the health of the birds. A recommended practice is to clean feeders at least once every 1-2 weeks, or more frequently in wet or humid conditions, using a diluted bleach solution. For nectar feeders, a simple wash with soap and hot water is sufficient. Always ensure the feeders are thoroughly dry before refilling them with bird feed. This way, you not only create a welcoming space for our feathered friends but also ensure their well-being through responsible feeder care.

WINTER WANDERERS

Creating a bird-friendly backyard in North Florida is not only a satisfying project but also a meaningful way to help protect our feathered friends. By making smart choices in your landscaping, you can turn your outdoor space into a welcoming sanctuary for birds. The benefits are twofold: you get to enjoy the colorful variety of bird species visiting your backyard while also contributing to the conservation of biodiversity in the area. Let your backyard showcase the harmonious relationship between humans and nature’s nomads. For tips on landscaping that supports birds, reach out to your local county extensions office.

Fantastic Fennel

Fantastic Fennel

If you are looking for a low maintenance plant that has attractive foliage and flowers and attracts wildlife, consider planting fennel.  Fennel was planted in the pollinator garden at the Extension office in Bay County as a butterfly host plant for swallowtail butterflies in 2014 and has been a showstopper ever since. Fennel is a short-lived evergreen perennial that will reseed in the garden, but it is easy to remove plants if you get too many. It performs well in full sun to light shade and is quite drought tolerant once established.

The fernlike foliage has a delicate texture that contrasts with most landscape plants. Large umbels of tiny yellow flowers reach for the sky each spring and attract lots of pollinators and butterflies to the garden. Fennel is a culinary herb and leaves, flowers, and seeds can be used to season dishes with the mildly licorice flavor.

Gardening in the Panhandle LIVE! Program Summary: Managing Pests

Gardening in the Panhandle LIVE! Program Summary: Managing Pests

Syrphid larva and oleander aphids.
Syrphid larva and oleander aphids. Photo credit: Lyle Buss, University of Florida.

When we think of pests we tend to focus mainly on insects. Insects make up roughly 80% of animal life, however only about one percent of insects are considered pests. The rest help pollinate crops, kill pests, clean up dead stuff, and make honey. Unfortunately, plants suffer from many more types of pests such as weeds, disease, and us. This episode of “Gardening in the Panhandle LIVE!” was all about managing pests.

Many soft-bodied insect pests can be controlled with insecticidal soap. Many insecticidal soaps are on the market that can help control pests like aphids and whiteflies. However, dish soaps are manufactured for cleaning dishes and not labeled for pest control. More information on insecticidal soaps can be found in the publication “Managing Plant Pests with Soaps”.

Although dish soap isn’t a good option for insect control, there are some things from around the house that can be used to help manage pests. The publication “Do-It-Yourself Insect Pest Traps” offers some excellent options for monitoring and managing pests with traps.

Florida is home to a plethora of insect pests. The Ask IFAS website has many articles on insect pests common in the garden.

Companion planting is the practice of planting two or more plant species close to each other to improve growth and/or pest control of one or more of the species. The article “Companion Planting: What is it?” offers some great recommendations and examples of this technique. Marigolds are an excellent companion plant because they can help deter and suppress nematode populations.

Some people prefer to only use naturally derived products for pest control. The publication “Natural Products for Landscape and Garden Pests in Florida” extensively reviews some of these products. Bacillus thuringiensis (BT) is a bacteria found in soil that can be used for caterpillar pest control.

We love our squash, cucumbers, and watermelons in the South, however there are a number of insects that like to eat them too. More information on cucurbit insect pests and their management can be found in the publication “Insect Management for Cucurbits”.

Armyworms like to feed on just about everything. The Ask IFAS website has a nice collection of publications on all types of armyworms.

Some fungi are fun to eat while others kill our landscape plants. One common fungal disease found in the landscape is Entomosporium leaf spot. This disease is very common on Indian hawthorns. The article “Keep an Eye on Your Indian Hawthorn” describes this disease and it’s control.

Aphids are a very common insect pest. In fact, some plant species have specific aphids. More information on different aphid species and their control can be found in the publication “Aphids on Landscape Plants”.

A plant in the wrong place is considered a weed. Some plants are particularly good at finding the wrong place and can take over our lawns. The publication “Weed Management Guide for Florida Lawns” offers solutions on controlling common lawn weeds.

Ticks can be pests of pets, livestock, and humans. Texas A&M has created an excellent website on everything about ticks.

Cockroaches do a nice job cleaning up litter when they’re outside, but we don’t need want them in our houses whether they’re cleaning up trash or not. The publication “Cockroaches and Their Management” is a great resource for cockroach species identification and management.

As previously mentioned, there are a lot more good insects than bad insects. For more information on predatory insects and biological controls check out the publication “Natural Enemies and Biological Control”.

Nature is fascinating and most people are lifetime learners. To help find out what you’re looking at, give the iNaturalist website and app a try.

Armadillos don’t mean any harm and can be kind of cute. However, they can make a mess of our yard and they build their dens in some undesirable locations. The publication “The Nine-Banded Armadillo” provides information on armadillos and their management.

Fire ants are pests of our lawns and pastures and their sting is brutal. For more information on fire ants please refer to the publication “Managing Imported Fire Ants in Urban Areas”.

Pests can be pesky, but they are manageable if you keep up with the art and science of their control. If you need help with identification and pest management options please don’t hesitate to contact your local Extension Office.

Past episodes of Gardening in the Panhandle LIVE can be found on our YouTube playlist.

“Symbiotic Serenity: Ant-Aphid Farming Dynamics”

“Symbiotic Serenity: Ant-Aphid Farming Dynamics”

Why is ant taking over my plants?

Welcome to the world of symbiotic serenity, where ants and aphids work in harmony to create a thriving ecosystem. Ants farming aphids is a fascinating phenomenon in nature, where ants tend to aphids, protecting and nurturing them like precious livestock, while aphids provide the ants with a sweet and nutritious honeydew secretion.

The relationship between ants and aphids is complex and benefits both parties. Aphids, which are soft-bodied sucking insects that feed on plant sap, secreting honeydew – a sugary secretion that aphids produce as waste from their sap consumption. This sweet substance is highly attractive to ants, who actively tend to aphids in order to obtain honeydew as a food source.

One of the most fascinating aspects of ant farming aphids is the behavior exhibited by ants when caring and protecting aphids. Ants are known to carefully tend to aphids, often referred to as “herding”. In doing so, they stroke the aphids with their antennae, stimulating them to release honeydew. Ants then collect and consume this honeydew, which serves as a valuable source of nutrition for them.

Aphids also benefit from this mutualistic partnership by relying on ants for protection from predators such as ladybugs, lacewings, and other aphid predators. In the presence of ants, aphids are less likely to be attacked by natural enemies, which allows them to feed and reproduce more freely. In addition, ants can transport aphids to new feeding sites, which helps aphids access fresh sources of sap.

However, this mutualistic relationship between ants and aphids can also pose problems for gardeners and homeowners. When ants protect aphids from natural enemies, this can result in increased aphid populations and plant damage. Therefore, it is important to control ant farming of aphids in order to manage aphid infestations effectively.

There are several methods gardeners/homeowners can use to manage ant farming of aphids:

  • Early detection is key. Regularly check for aphids at least twice a week while plants are growing rapidly.
  • Utilize natural enemies of aphids such as parasitic wasps, lady beetles, lacewing larvae, soldier beetles, and syrphid fly larvae. These insects can help keep aphid populations at an acceptable threshold.
  • Ant management is crucial. A band of sticky material can be wrapped around the trunk to prevent ants from reaching the aphids.
  • Prune and dispose of infested branches.
  • Insecticidal soaps and oils can be used to suffocate aphids. However, these products only kill aphids on contact. Other synthetic insecticides like malathion, permethrin, etc. are alternatives that can control aphids, but they may harm natural enemies and pollinators such as bees.

*Important to note, follow all manufacturers instruction when using chemical products.

In conclusion, ants farming aphids is a captivating example of mutualistic interactions in nature and serve as a compelling reminder of the wonders and intricacies of the natural world.

Aphids on Plants and their Management – UF/IFAS Extension St. Lucie County (ufl.edu)

https://www.mcgill.ca/oss/article/did-you-know/farmer-ants-and-their-aphid-herds#:~:text=Several%20species%20of%20ants%20have,ants%20as%20a%20food%20source