Autumn Color is but a Plan Away

Autumn Color is but a Plan Away

The long summer days are beginning to wane, the mercury is starting its slow march down the thermometer, and your landscape displays all the signs of winter. It’s the time of year that many gardeners dread. Fear not, my fellow parishioners of the soil. I’m here to tell you that there is hope for your landscape. With a little planning, your home can remain beautiful as there are blooms aplenty even into the autumn months here in Florida.

Deciduous Trees

Established deciduous landscape plants begin their annual cycle by sloughing off their leaves, but this doesn’t mean they have no value. After months of standing boldly in your yard, many begin to lose their chlorophyll and turn eye-catching hues of orange and purple. Trees such as bald cypress (Taxodium distichum) create a fantastic fall display as they march into winter slumber. Maples (Acer spp.) will similarly provide a beautiful show once the cold weather hits. Plant these trees in your landscape while observing the “right plant, right place” philosophy and you will provide a low-maintenance pallet of annual colors for decades.

Bald cypress showing fall color
Bald Cypress beginning to display fall color.
UF/IFAS photo: J. Criss

Perpetual Perennials

Next, perennial plants are the lynchpin in many landscapes, filling in the space between your trees and inground annuals. Choosing those with bright, warm colors will make your yard stand out against your neighbors. Remember, when planting, some plants will not survive the first frost. One plant prone to this style of dieback is fire spike (Odontonema strictum). Here, you will find bright red blooms underpinned by large, striking green leaves. Don’t be dissuaded by the frost-tender nature of this plant, it is an excellent specimen and supports pollinators later into the season. Salvia (Salvia spp.)  is another superb specimen for some color later in the season. This again will die off upon the first frost but, until then, will provide bright flowers with grey-green foliage that is striking in any garden. For those seeking an evergreen autumn bloomer, look no further than the leopard plant (Farfugium japonicum). This sometimes overlooked and shade-loving member of the aster family provides yellow flowers through the fall and unique round leaves throughout the rest of the year.   

Fire spike in bloom
Fire Spike in bloom.
UF/IFAS photo: J. Criss
Leopard plant in bloom
Leopard plant in bloom. UF/IFAS photo: J. Criss

Annuals for Brilliant Color

Finally, let us peruse flowering annuals. The advantage here is the vibrant colors they bring, but they are short lived and will need to be rotated out in a few months. Sweet alyssum (Lobularia maritima) is a prime example of a versatile plant fitting this bill. They have a spreading habit, making them excellent as a cold weather ground cover or a beautiful trailing potted plant hung on your porch. If sprawling isn’t your cup of tea, investigate calendula (Calendula officinalis) for a splash of yellow in an upright ray-style flower. Remember that these cold weather annuals will not tolerate heat or humidity, so plant them in the fall when things cool off. They will do well in the ground directly or with a pot-in-pot system. The latter will allow easy switches should the plants begin to falter. If planted directly in-ground, prepare your site accordingly. Soil testing will dictate fertilization needs and adding organic matter will ensure adequate water retention.    

Yellow Calendula bloom
Yellow Calendula bloom Photo by Rob Duval. (CC-BY-SA 4.0)

Gardening in Florida is always a tough row to hoe. We are fortunate in that we can provide color in our landscapes throughout the year, but to do so one must understand our dynamic environment. Florida will throw you some curveballs, but with a little planning and some understanding you’ll be well on your way to thriving gardens. For more information, see this Ask IFAS document for trees, this ASK IFAS for perennials, or this ASK IFAS for annuals. As always, please contact your local extension agent for additional information on this and any topic regarding your gardens and more.

Discover the Joy of Fall Gardening: Online Guide and Backyard Series

Discover the Joy of Fall Gardening: Online Guide and Backyard Series

Fall is just around the corner, and that means it is time to start kale and collards, root vegetables, and salad greens. Photo by Rachel Mathes.
Fall is just around the corner, and that means it is time to start kale and collards, root vegetables, and salad greens. Photo by Rachel Mathes.

In spite of this record-breaking hot summer, it might be surprising to realize that we are just a month away from the onset of fall. As the sun-soaked dog days gradually relinquish their hold to the inviting coolness of autumn, the allure of the new season comes into view.

If your thoughts are already conjuring images of vibrant leaves and the anticipation of robust greens and earthy root vegetables in your garden, we extend an invitation to explore our newly revamped edition of the North Florida Vegetable Gardening Guide.

We’ve transformed the guide from a static PDF into a user-friendly website, making it easier than ever for you to tap into its wealth of gardening insights. Crafted by the adept hands of the UF/IFAS Leon County Extension, this guide serves as an invaluable resource catering to both seasoned horticulturists and aspiring gardeners.

Dive into an array of articles, planting schedules, images, and informative UF/IFAS EDIS publications – all thoughtfully designed to address your gardening questions. From the basics of getting started to the finer points of site selection, pest management, fostering biodiversity, soil testing, composting, harnessing cover crops, and mastering irrigation techniques – the North Florida Vegetable Gardening Guide website has it all covered.

Access the North Florida Vegetable Gardening Guide website by clicking here.

For those who prefer a tactile experience, physical copies are available upon request at the UF/IFAS Leon County Extension Office, located at 615 Paul Russell Rd., Tallahassee, FL 32301. A quick call ahead will help you ensure availability.

We’re also excited to announce our upcoming Fall 2023 Backyard Gardening Series, set for September 6 and 13, from 6:00 to 8:00 p.m. on both evenings at the Leon County Extension Office (615 Paul Russell Road).

If you’re eager to explore the art of fall gardening in depth, this series will cover topics like site selection, soil enrichment, effective fall planting techniques, and more, including a hands-on planting activity.

To reserve your spot in the series, please register on Eventbrite, by clicking here (https://fallbackyardgardeningseries2023.eventbrite.com).

Individual tickets are available for $10 per person if pre-paid online or $15 in cash or check at the door. For families of three to four, pre-paid online family tickets are $20 per family or $30 in cash or check at the door. This registration fee includes both evenings on September 6 and 13 and light refreshments will be provided.

For any further inquiries, please contact Molly Jameson at mjameson@ufl.edu or via phone at 850-606-5200.

5 Tips for Adding Cool Season Herbs to Your Fall Landscape

5 Tips for Adding Cool Season Herbs to Your Fall Landscape

By: Khadejah Scott
Extension Agent, Horticulture/Agriculture/Natural Resources
UF/IFAS Extension Wakulla County

It is common for homeowners to have to pick between design and function when planning their fall landscape. However, combining the two can result in a stunning display in the yard. In North Florida, several herbs do well in the cool weather of the fall. While herb gardens will always be famous, there are other understated, yet successful ways to incorporate herbs into the fall landscape this year.  Herb gardening in the fall is not difficult; with a bit of forethought and creativity, you can use herbs to revamp an existing bed or create a brand-new one.

Herbs can be more than culinary specimens in the fall landscape. Herbs give a wide range of hues that enhance the landscape’s color, giving depth and contrast to your current garden. Fill the gaps around, between, and beneath your existing flowers to frame them without taking away from their beauty. The variety of herb foliage textures adds interest to your landscape; you can alternate between glossy, velvety, soft, and hairy surfaces. Many herbs also have insect-repelling qualities that aid in pest management. Meanwhile, the herbs also attract beneficial insects and pollinators to the garden, which are vital for the well-being and growth of other landscape plants.

One of the first stages of enjoying your garden is deciding its function. What and how you grow will be influenced by an end-use. For example, simple access to fresh herbs while you cook could mean planting them next to your back door. You want those vibrant flavors near your hand if you need a sprig. Space also needs to be considered while planning because plants will mature swiftly and flush out nicely, taking up more space. Each plant’s height and spread affects how much light it receives. Plant your more striking, upright herbs further back, giving plenty of room for low-lying, creeping herbs to be planted closer to the front where they may still receive sufficient light. At least six hours of direct sunlight each day are required for cool-season herbs. They will also need well-drained soil and adequate watering. Knowing each plant’s unique requirements can help homeowners care for herbs and identify unforeseen problems. Reinvent the way herbs have been grown in the past and incorporate their colors, textures, and blooms. For more information about planning your fall garden, contact your local UF/IFAS Extension Office.

Here are 5 ways to add cool season herbs to your fall landscape.

  • Containers: Growing herbs in containers offers the flexibility of moving them. Potted herb gardens may be a perfect solution for small spaces like patios and balconies. Dill and fennel are great options for large containers.
  • Groundcovers: Herbs that grow slowly and crawl, such as thyme, complement walkways and do nicely between paving stones.
  • Borders: Herbs that form low mounds, such as oregano, make good borders, paths, and driveways.
  • Low Hedges: Garden sage and other taller herbs create great low hedges that can aid in defining the boundaries of outdoor spaces.
  • Softening Hardscapes: The billowing nature of cilantro and parsley herbs makes them perfect candidates for softening the hard edges of stone and concrete.
Plan on Doing a Fall Garden, Plan Now!

Plan on Doing a Fall Garden, Plan Now!

Yay, we are halfway through with August and our summer is winding down!  This is the perfect time to start prepping for that fall garden.   Growing a productive fall vegetable garden requires thoughtful planning and good cultural practices.  This process consists of selecting a site, planning the garden, preparing the soil, choosing the seeds and plants, planting a crop, and nurturing the plants until harvest time.  In the Florida Panhandle it can be a challenge to get cool season crops started; there is a balance in starting them early enough to allow them to mature (50-60 days) before a hard frost and getting them through the end of a hot summer.

August and September are the main planting times for a fall garden.  There are several cool-season crops and a final crop of warm-season vegetables that can be planted.  Some good warm season crops are lima beans, cucumbers, eggplant, peppers, and tomatoes.  Going into September it will be a good time to establish strawberry plants.  Some good vegetables to start growing just around the corner are broccoli, carrots, cabbage, collards, mustard, and Swiss chard.  https://edis.ifas.ufl.edu/NorthFloridaGardeningCalendar  Herbs that do well are cilantro, parsley, and lemongrass. Mint, oregano, and thyme should be planted in containers as they tend to spread. Mexican tarragon, mint, rosemary, and basil will also do well in September. See Herbs: http://edis.ifas.ufl.edu/topic_herbs

Transplants from the local garden center will get the garden off to a fast start while seeds will offer more varieties to choose from.  It is also important to think about your location.  A vegetable garden can be in the ground, a raised bed, or even grown in containers.  Your plants will need more than just a place to grow.  They will also need sunlight, water, air, soil, fertilizer, and care.  Most vegetables require at least 8 hours of sunlight.   Keep an eye out for pest problems such as insects, diseases and weeds because they will continue to flourish in warm temperatures and high humidity. To help conserve soil moisture a layer of newspaper and mulch can be placed between the rows.  Mulch also aids in weed control. 

Raised beds are an excellent way to get started with gardening. Photo by Molly Jameson.

The result of a beautiful, successful vegetable garden is fresh produce to eat, share with neighbors, family, and friends and even the possibility to sell your harvest.  With patience and practice your gardening skills will improve every year!  Follow the above few tips and you will be well on your way to a great harvest!  For more information about starting a fall garden or any other horticultural or agricultural topic, contact your local UF/IFAS County Extension Office. Happy Gardening

Spotted Fall Tree Leaves: Harmful or Innocuous?

Spotted Fall Tree Leaves: Harmful or Innocuous?

persimmon leaf

A spotted Japanese Persimmon leaf, Image Credit: Matthew Orwat

In gardening, brown or black spotted leaves are most often an indicator of disease problems or growth issues. This causes us to worry and seek answers as to why this is occurring. This is good since the first step in solving a plant growth or disease issue is diagnosis.

During Fall, the presence of brown or black spots on leaves of shade and fruit trees is usually not cause for alarm, as it might be in the spring or summer. Certain shade trees such as Southern Magnolia, Japanese Magnolia, various maple, persimmon and oak in the Red Oak group show substantial brown and black leaf spotting as Fall arrives. This is due to the fact that these leaves have been attacked by fungal pathogens and insects since Spring and resistance to damage has broken down over time. As Fall progresses, these leaves will senesce (purposeful deterioration due to age, such as at end of season) and fall to the ground. Therefore, this ugly spotting is part of natural seasonal leaf decomposition in deciduous trees.

Although Fall leaf spotting may not be something to worry about, oftentimes we run into plant problems that need quick diagnosis. Fortunately, your local Extension Office and the Plant Disease Diagnostic Clinic at NFREC exists for these situations. If you need help with plant problems, feel free to contact your local Extension Agent or Master Gardener Volunteer group and they will figure it out or send it along to the Diagnostic Clinic (small diagnostic fee if using NFREC clinic services).

If you happen to live in or near Washington County, we are launching our Second Mondays Free Plant Clinic. Staffed by knowledgeable and friendly UF / IFAS Master Gardener volunteers and your County Extension Agent, we will be available every second Monday of the month from 10am to 2pm at the Washington County Ag Center, which houses the UF / IFAS Extension Office.  We will be located in the Master Gardener Volunteer Library which is just left of the central auditorium double doors. The launch date of this plant clinic is Monday, October 11th. See you then!