Consider a Native Christmas Tree

Consider a Native Christmas Tree

Eastern Redcedar

Throughout history the evergreen tree has been a symbol of life.  “Not only green when summer’s here, but also when it’s cold and dreary” as the Christmas carol “O Tannenbaum” says. 

While supporting the cut Christmas tree industry does create jobs and puts money into the local economy, every few years considering adding to the urban forest by purchasing a living tree.  Native evergreen trees such as redcedar make a nice Christmas tree that can be planted following the holidays.  The dense growth and attractive foliage make redcedar a favorite for windbreaks, screens and wildlife cover. 

The heavy berry production provides a favorite food source for migrating Cedar Waxwing birds.  Its high salt-tolerance makes it ideal for coastal locations.  Their natural pyramidal-shape creates the traditional Christmas tree form, but can be easily pruned as a street tree. 

Two species, Juniperus virginiana and Juniperus silicicola are native to Northwest Florida.  Many botanists do not separate the two, but as they mature, Juniperus silicicola takes on a softer, more informal look. 

Cedar waxwing, Bombycilla cedrorum

When planning for using a live Christmas tree there are a few things to consider.  The tree needs sunlight, so restrict its inside time to less than a week.  Make sure there is a catch basin for water under the tree, but never allow water to remain in the tray and don’t add fertilizer.  Locate your tree in the coolest part of the room and away from heating ducts and fireplaces. 

After Christmas, install the redcedar in an open, sunny part of the yard.  After a few years you will be able to admire the living fence with all the wonderful memories of many years of holiday celebrations. Don’t forget to watch for the Cedar Waxwings.

Gulf Fritillaries

Gulf Fritillaries

October is an important month for butterflies. The monarchs are making their epic migration towards Mexico, gracing us with their presence as they stop to feed on saltbush or lantana plants along the coast. But our homegrown orange-and-black butterfly is showing up everywhere right now, too. The Gulf fritillary (Agrautis vanillae) is a smaller species, but also features bright orange wings with black stripes and spots. Their caterpillars come dressed for Halloween, too—they are a deep orange color with black legs and spikes. While the caterpillar is not venomous to any potential predators, the spikes are quite intimidating and serve a protective function.

A gulf fritillary butterfly gathering nectar from a similarly brilliant orange flower. Photo credit: Carrie Stevenson, UF IFAS Extension

Fritillary (name from the Latin “chessboard”) eggs are bright yellow and laid primarily on varieties of passionflower vines, which the caterpillars feed voraciously upon. Passion vine is an important host plant for the zebra longwing as well, which is Florida’s state butterfly.

Gulf fritillaries are found in all 67 Florida counties, and may live throughout the southeastern United States, Mexico, and central and south America. They are found in varied habitats but prefer open, sunny spots in fields, forests, and gardens. The butterfly’s wing shape puts them into the “longwing” category, as their elongated wings spread wider than other species.

Caterpillar of the Gulf fritillary butterfly on corkystem passionflower. Photo credit: Jaret C. Daniels, University of Florida.

In the fall, fritillaries migrate to the warmest ends of their range. By spring, they move slightly north into North Carolina or interior Alabama.

Plant of the Week:  Mistflower (Conoclinium coelestinum)

Plant of the Week:  Mistflower (Conoclinium coelestinum)

October is the premier wildflower month in the Panhandle.  Nighttime temperatures drop, days shorten, pollinators emerge, and many native plants explode into flower.  Of all the native fall-flowering Panhandle wildflowers, maybe the most striking is currently in full bloom, the Mistflower (Conoclinium coelestinum)! 

Photo credit Bill Boothe / Natural Encounters

Mistflower is a low growing, spreading native perennial (1-2’ in height) found in sunny, moist areas of meadows and near rivers, ponds, and creeks throughout much of the United States from New York to Florida and even west as far as Texas and Nebraska.  This common native wildflower is conspicuously one of the few native plants in our area that has blue flowers, making Mistflower easy to spot in a sea of yellow, orange, purple, pink, and white wildflowers.  The flowers appear as little puffs of purply-blue due to the lack of ray florets (think the outer yellow “petals” of sunflowers), possessing only disk florets (think the inner part of sunflower heads) with long blue, fuzzy-appearing stamens.   Mistflower is attractive to more than just wildflower watchers as well, it’s a magnet for nectar-seeking butterflies as well; Eastern Swallowtails, Great Purple and Juniper Hairstreaks, and others are often found feeding on the flowers. 

Great Purple Hairstreak butterfly on Mistflower. Photo credit Bill Boothe / Natural Encounters.

As lovely as Mistflower is in the wild, it’s probably best left for folks enjoy there, especially those who prefer an orderly yard.  Mistflower will indeed grow great in moist areas of pollinator gardens and landscapes, requiring only ample sunlight and rainfall, but it is very aggressive.  Its spreading nature via its rhizomatous root system and prolific seed production often lead to it becoming a weedy nuisance in more manicured landscapes.  But, if chaos and fall bursts of blue erupting at random throughout your garden don’t bother you, by all means, seek out Mistflower for purchase through seed catalogs and local native nurseries.  For more information on Mistflower and other fall-blooming native wildflowers, contact us at the UF/IFAS Calhoun County Extension office!  Happy Gardening.

Need a Fast Growing Shade Tree?  Plant Green Ash.

Need a Fast Growing Shade Tree? Plant Green Ash.

The Oracle of Omaha, Warren Buffett, once said “Someone is sitting in the shade today because someone planted a tree long ago.”  While that’s all fine and good and I’m happy that the next generation gets to enjoy the things we grew, most of us would like to enjoy shade in our lifetimes too!  If you too want to plant your own shade, one of the best rapidly growing shade tree choices for the Panhandle is the majestic Florida native Green Ash (Fraxinus pennsylvanica).

Green Ash Tree

Green ash trees have a vase shape form. Photo Credit: University of Florida/IFAS

Green Ash is a large (50-100’ tall), oval-shaped, deciduous shade tree native to the entire eastern half of North America, but best of all for those of us craving shade, it grows to its mature height in a relative hurry.  While most trees that grow extremely fast tend to be inherently weak and short-lived, this is not the case with Green Ash.  Capable of growing 6-10’ in a single year if irrigated and fertilized appropriately and often living well over 100 years, there aren’t many plants in the Panhandle that grow quicker or live longer.

There’s much more to Green Ash than growth rate and life span, however.  The tree is also one of the prettiest around.  Come on, you didn’t think I’d recommend an ugly plant, did you?  A look up into the canopy at different times of the year and one can see the tree’s deep, dark green foliage, good-for-Florida yellowish fall color, and slightly showy light green seed pods.  Below, the straight trunk is laced with distinctive diamond-shaped bark that hints at the extremely high-quality wood underneath.  Fun fact, Ash is historically the most popular wood used to make baseball bats due to its hardness at a relatively light weight – more MLB home runs have been hit with Ash than any other species!

Green Ash Leaf

The compound leaf of a green ash tree. Photo Credit: University of Florida/IFAS

As a Florida-Friendly plant, Green Ash is fairly low-maintenance and provides many environmental services.  The species, like any other plant, requires supplemental water and fertilizer during the establishment period, generally the first year or so after planting, but doesn’t demand much else from gardeners after that.  Green Ash specimens in Florida also don’t have much in the way of pest problems (the invasive Emerald Ash Borer has devastated ash populations in northern states but thankfully has not yet been found in Florida).  However, as a host plant for several native pollinators, including the Eastern Tiger Swallowtail, Mourning Cloak, Orange Sulphur, and Viceroy Butterflies, you may occasionally find caterpillars munching away on the tree’s foliage.  If you can handle a little leaf damage, try to leave any caterpillars alone and enjoy the stunning butterflies they later morph into!

Green Ash is a beautiful, ultra-adaptable shade tree.  Though the species prefers moist areas, there aren’t many sites the tree can’t thrive in.  Do you have a low-lying area near a swamp or stream that stands in water from time to time?  Great!  Green Ash will thrive.  Do you need a street tree to survive in a harsh environment with a cramped root zone surrounded by concrete?  Green Ash will be right at home there as well.  Green Ash is simply a classic shade tree with many interesting attributes that improves the look of any landscape it occupies.  Plant one today!

For more information about Green Ash, other shade tree species, or any other horticultural/agricultural topic, contact us at the UF/IFAS Calhoun County Extension office.

Florida’s State Wildflower is Great for Pollinators: Coreopsis

Florida’s State Wildflower is Great for Pollinators: Coreopsis

Coreopsis flowers. Photo courtesy UF/IFAS.

A beautiful wildflower that lines the roads and open areas is one of my favorite native pollinating plants. Coreopsis also commonly known as Tickseed was designated our Florida State Wildflower in 1991. It can be found throughout Florida and all 17 species occur in North Florida. Varieties such as Leavenworth’s Swamp (C.nudata), Florida (C. floridana) and Coastalplain (C. gladiata) are found in moist areas and other varieties like Lanceleaf Tickseed (C. lanceolata) and Goldenmane Tickseed (C. basalis) are commonly found in the drier areas of the landscape.

All the varieties of Tickseeds have daisy-like flowers with yellow petals except for the Swamp Tickseed which is more pinkish purple in color. The flower gets its common name by the appearance of the small ovalish seed that has two short spines at one end and looks like a ‘tick’. The most common coreopsis is Coreopsis leavenworthii. This plant can be found in moist pinelands and disturbed sites. You can spot the blooms of bright yellow ray petals with brownish central disk flowers from late spring through late fall. This coreopsis can reach 3 feet in height. It grows like a weed and can quickly establish itself on bare soil. Coreopsis is essentially an annual with our colder winters but produces many seeds that will multiply as long as the plant receives adequate sun and moisture. A special species of coreopsis found only here in the Panhandle is the Chipola coreopsis (C. integrifolia). It is less common and only found along the Chipola River. This 18-24” plant has deep green oval-shaped leaves and deep yellow flowers seen blooming in the Fall, maybe a great time to go kayaking or hiking along the river! The Chipola coreopsis prefers moist soils and some protection from the sun. This variety is so rare that it has been listed endangered by the Florida Department of Agriculture.

Native Lanceleaf Coreopsis. UF/IFAS Photo: Thomas Wright.

Coreopsis is pollinated mostly by small bees and not visited as much by butterflies and other pollinators. They are a great plant to use for a show of color! You can get seeds from your local garden center or from the Florida Wildflower Growers Cooperative (https://floridawildflowers.com). This Florida-Friendly plant is drought tolerant and can be sown anytime from October to January.

Sources:
https://www.flawildflowers.org/wp-content/resources/pdfs/Publications/AboutCoreopsis.pdf 
https://gardeningsolutions.ifas.ufl.edu/plants/ornamentals/coreopsis.html