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Greetings Producers and Friends of the LSU AgCenter!
Welcome to the Horticulture Connection Newsletter. Your editor here is Michael LaVergne, ANR Agent for Horticulture and Agronomy covering parishes of Allen, Beauregard, Evangeline, and Vernon.
I would love to place interested Clients on my email list to receive this newsletter as well as Horticulture Hints and other horticulture related topic materials in a timely manner through direct email. If you would like to receive regular Horticulture Connection and other related Horticulture emails, please email me your name and email address to mlavergne@agcenter.lsu.edu to be placed on our email list.
My goal is to provide you with information about upcoming events and opportunities in the area and across the state, such as field days, meetings, classes, and any other events that would be of interest. I will also plan to provide you with the latest news and information on the issues affecting you, whether it be drought or other weather-related conditions, garden and landscape production and maintenance, soil sample interpretations, fertilization, and management, marketing your crop and more.
As autumn settles over Louisiana, citrus trees across the state are bursting with color and flavor. From the sweet tang of mandarins to the zesty punch of lemons, the region’s climate offers ideal conditions for growing a variety of citrus fruits. But for home gardeners, knowing when and how to harvest—and care for—these trees is key to long-term success.
Most citrus varieties, including satsumas, navel oranges, and kumquats, ripen between October and January. Experts recommend checking for full color and a slight “give” when gently squeezed to determine ripeness. But don’t delay—overripe fruit can become puffy, split, or lose its flavor. And unlike some fruits, citrus doesn’t ripen off the tree. Once picked, its journey is complete.
Even after the fruit is gone, citrus trees need consistent care. Regular watering is essential, especially during dry spells. Fertilizing in late winter or early spring—just before the next growth flush—can set the stage for a productive season ahead.
Pruning should be minimal. Remove dead or crossing branches but avoid heavy cuts. Citrus trees grow in natural flashes with periods of rest in between, so aggressive pruning can disrupt their growth cycle. Instead, focus on shaping the tree gently and maintaining airflow through the canopy. This helps reduce disease pressure and encourage healthy fruit production. Always use clean, sharp tools—and prune during dry weather to minimize the risk of infection.
The LSU AgCenter advises mulching around the base of citrus trees to retain moisture and suppress weeds. However, mulch should be kept a few inches away from the trunk to prevent rot. Gardeners should also monitor pests like citrus leafminers and scale insects. A spray schedule tailored to Louisiana’s climate is available on the AgCenter’s website.
Even hardy varieties like satsumas can suffer in a hard freeze. When temperatures dip below 28°F, wrap trunks, cover trees, or use outdoor-safe heaters to protect your investment.
Whether you’re celebrating your first Meyer lemon or your hundredth grapefruit, the message is clear: with proper timing and care, Louisiana citrus trees can thrive for decades.
For more expert advice, visit lsuagcenter.com—your trusted source for home citrus success in Louisiana.
As the leaves begin to turn and temperatures cool, it’s not just pumpkin spice season, it’s strawberry planting season in Louisiana! If you’ve ever dreamed of harvesting sweet, juicy berries from your own backyard, now’s the time to dig in. The LSU AgCenter offers expert guidance to help gardeners make the most of Louisiana’s mild winters and unique growing conditions.
Strawberries thrive in full sun and well-drained soil. Standing water is a no-go—it can lead to root rot and poor yields. If your garden tends to stay soggy, consider building raised beds or high rows to improve drainage and give your berries a healthy start.
Before planting, apply about 6 pounds of 8-24-24 fertilizer per 100 feet of row. This nutrient-rich mix helps establish strong root systems. Be sure to water it in well—either with good rain or overhead irrigation—before planting or mulching.
Bare-root strawberries are the top choice for Louisiana gardeners. Recommended varieties include ‘Chandler’, ‘Camarosa’, and Festival’—all known for their flavor and performance in the region. Plant them with the crown just above the soil line, spacing each plant about 12 inches apart in rows 3 to 4 feet wide.
Mulching is essential. Use straw, pine needles, or other organic materials to retain moisture, suppress weeds, and protect plants from cold snaps. Mulch also keeps fruit clean and helps reduce disease risk.
After planting, watch for pests like slugs and aphids, and water consistently, especially during dry spells. With proper care, your strawberry plants will overwinter and begin producing fruit by early spring.
Strawberries grow beautifully in containers. If space is limited, try planting in pots or hanging baskets, just making sure they get plenty of sun and good drainage.
Whether you’re planting a full garden bed or a few porch pots, fall is the perfect time to begin your strawberry journey. For more expert advice on varieties, planting techniques, and care, visit lsuagcenter.com—your trusted source for Louisiana gardening success.
As winter settles in and temperatures dip, it’s not just your outdoor garden that needs a little TLC—your houseplants do too. Whether you’re nurturing a sunny windowsill full of succulents or a cozy corner of ferns and ficus, now’s the time to adjust your care routine. The LSU AgCenter offers expert advice to help your indoor greenery stay vibrant through the colder months.
Shorter days and lower sun angles mean your plants may not be getting the light they need. Move them closer to windows—south-facing ones are best—to soak up as much natural light as possible. Just be sure leaves don’t touch cold glass, which can cause damage. If sunlight is scarce, consider using grow lights. Even a few extra hours of supplemental light can make a big difference.
Most houseplants slowdown in winter, so they need less water. Overwatering is a common mistake this time of year. Check soil moisture by sticking your finger about an inch deep, if it’s dry, it’s time to water. If not, wait a few days. Too much water in cool conditions can lead to root rot.
Indoor heating systems can dry out the air, which stresses tropical plants like peace lilies, calatheas, and orchids. To raise humidity, group plants together, use a humidifier, or place trays of water near heat sources. Misting helps temporarily, but it’s not a long-term fix.
Most houseplants prefer daytime temperatures between 65–75°F and no lower than
As winter settles in and temperatures dip, it’s not just your outdoor garden that needs a little TLC—your houseplants do too. Whether you’re nurturing a sunny windowsill full of succulents or a cozy corner of ferns and ficus, now’s the time to adjust your care routine. The LSU AgCenter offers expert advice to help your indoor greenery stay vibrant through the colder months.
Shorter days and lower sun angles mean your plants may not be getting the light they need. Move them closer to windows—south-facing ones are best—to soak up as much natural light as possible. Just be sure leaves don’t touch cold glass, which can cause damage. If sunlight is scarce, consider using lights. Even a few extra hours of supplemental light can make a big difference.
Most houseplants slowdown in winter, so they need less water. Overwatering is a common mistake this time of year. Check soil moisture by sticking your finger about an inch deep, if it’s dry, it’s time to water. If not, wait a few days. Too much water in cool conditions can lead to root rot.
Indoor heating systems can dry out the air, which stresses tropical plants like peace lilies, calatheas, and orchids. To raise humidity, group plants together, use a humidifier, or place trays of water near heat sources. Misting helps temporarily, but it’s not a long-term fix.
Most houseplants prefer daytime temperatures between 65–75°F and no lower than 50°F at night. Keep them away from cold drafts, space heaters, and vents. Sudden temperature swings can cause leaf drop or stunt growth.
Winter is a time of rest for most houseplants. The LSU AgCenter recommends waiting until early spring to resume feeding. Fertilizing now can lead to weak, leggy growth and nutrient buildup in the soil.
Unless your plant is root-bound or shows signs of distress, hold off on repotting until spring. Major changes during dormancy can stress your plants.
Even indoors, pests like spider mites, aphids, and fungus gnats can be a problem. Check leaves regularly—especially the undersides—and treat infestations promptly with insecticidal soap or neem oil. Good air circulation and clean containers help prevent issues before they start.
If you haven’t already, bring cold-sensitive container plants indoors or into a protected space like a garage or enclosed porch. Group them near a south-facing wall and water thoroughly wet soil holds heat better than dry soil.
With a little extra care and attention, your houseplants can stay healthy and happy all winter long. For more expert tips on indoor and outdoor plant care, visit lsuagcenter.com—your trusted source for Louisiana gardening success, all year long.
It’s the most wonderful time of the year—and nothing spreads holiday cheer quite like a vibrant poinsettia! Whether you’re decking the halls at home, adding festive flair to your office, or gifting a splash of seasonal color, these classic Christmas plants are a beloved tradition across Louisiana. And with expert guidance from the LSU AgCenter, your poinsettias can stay stunning all season long—and beyond.
When shopping for poinsettias, don’t settle for the first red bloom you see. Look closely at the bracts—the colorful leaves we often mistake for flowers. Fully colored bracts with no green edges signal a healthy plant. Check the center for tiny yellow buds (cyathia)—if they’re tightly closed, your poinsettia is fresh and will last longer.
Healthy foliage is key. Look for dark green leaves free of spots or yellowing. Wilting or discolored leaves suggest stress. Stems should be sturdy and unbroken, with a balanced shape. Avoid top-heavy plants that may struggle once home.
Poinsettias are sensitive to cold drafts. Always wrap or cover your plant when transporting it, especially on chilly days. A sudden blast of cold air can damage leaves before you even get it inside.
Place your poinsettia in a bright spot with indirect sunlight, south-facing windows are ideal. Keep daytime temperatures between 65–70°F, and slightly cooler at night. Avoid placing it near heaters, fireplaces, or drafty windows.
Let the soil dry slightly between waterings. Check moisture by sticking your finger about an inch into the soil—if it’s dry, it’s time to water. Ensure your pot has good drainage and never let the plant sit in standing water.
Indoor heating can dry out the air, stressing your poinsettia. Mist occasionally, use a humidity tray, or group plants together to boost moisture levels.
Want to keep your poinsettia past the holidays? In late winter or early spring, prune it back to about six inches to encourage new growth. Repot with fresh soil if needed, and once frost danger passes, move it outdoors to a partially shaded spot—gradually, to avoid shock.
To encourage reblooming next Christmas, give your plant 14–16 hours of complete darkness each night starting in early October for 8–10 weeks. During the day, return it to bright light. With patience, those colorful bracts will return just in time for the festivities.
Keep an eye out for leaf drop—often caused by overwatering, underwatering, or drafts—and pests like whiteflies or spider mites. Treat infestations with insecticidal soap or neem oil and maintain good air circulation.
This season bring home a poinsettia and enjoy its festive beauty well into the new year. With a little care—and expert tips from the LSU AgCenter—you’ll keep your holiday plants healthy, happy, and ready to shine.
For more indoor and outdoor plant care advice, visit lsuagcenter.com—your trusted source for Louisiana gardening success, all year long.
Website: www.lsuagcenter.com/beauregard
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