Weekly plant profile of Florida Favorites.

Four-petal St. John's wort (Hypericum tetrapetalum) Photo by Stacey Matrazzo

Flower Friday: Four-petal St. John’s wort

Four-petal St. John’s wort is an evergreen perennial shrub. Its flowers are bright lemon-yellow and can bloom throughout the year, but late spring is usually its best bloom time. It occurs naturally in moist flatwoods, sandhills and ruderal areas. It is considered a near-endemic species as it occurs only in Florida and limited parts of southern Georgia. It is attractive to bees.

Sandhill wireweed (Polygonella robusta) Photo by Stacey Matrazzo

Flower Friday: Sandhill wireweed

Also known as largeflower jointweed, sandhill wireweed is a deciduous woody shrub that produces an abundance of spike-like flowering clusters. It is mostly a summer and fall bloomer, with October being its most abundant blooming time, but year-round blooms are not uncommon. Sandhill wireweed is endemic to Florida. It occurs nowhere else in the world.

Tread-softly (Cnidoscolus stimulosus). Photo by Stacey Matrazzo

Flower Friday: Tread-softly

Tread-softly is a perennial, low-growing herbaceous wildflower. Its brilliant white flowers bloom year-round. It occurs naturally in sandhills, scrub, pine and scrubby flatwoods, and ruderal and disturbed areas. It attracts many butterflies and other pollinators. It’s easy to see how tread-softly gets its common name, and its scientific name is just as telling.

Florida scrub roseling (Callisia ornata)

Flower Friday: Florida scrub roseling

Florida scrub roseling is a beautiful and delicate perennial wildflower in the dayflower family. It typically blooms spring through autumn. It is endemic to Florida and occurs naturally in scrub and sandhill habitats. It is a close relative of (and its blooms look very similar to) spiderwort (Tradescantia spp.) and dayflower (Commelina spp.).

Cloudless sulphur caterpillar on privet senna. Photo by Peg Urban

Flower Friday: Privet senna

Also known as privet wild sensitive plant, privet senna is an evergreen, perennial shrub. Its flowers are mainly bee-pollinated, but it is the larval host plant for the cloudless sulphur and sleepy orange butterflies. It is a short-day plant, which means it requires a longer period of darkness to form its flowers.

Elliotts-aster

Flower Friday: Elliott’s aster

Elliott’s aster is an herbaceous perennial wildflower that produces a coronet of lavender blooms. It typically flowers in late fall and occurs naturally in roadsides ditches, wet flatwoods, swamps, and marshes. It is a wonderful plant for attracting butterflies, bees and other pollinators due to its many fragrant blooms.

Saltbush (Baccharis halimifolia)

Flower Friday: Saltbush

Also known as groundsel tree and sea myrtle, saltbush is a long-lived perennial shrub that typically blooms in fall. It occurs naturally in coastal uplands and dunes, along pond margins, and in ditches and disturbed areas. It is an evergreen in the southern part of the state, but can be deciduous in northern Florida.

Lopsided indiangrass (Sorghastrum secundum) Photo by Katherine Edison

Flower Friday: Lopsided Indiangrass

Lopsided indiangrass is a robust and unique perennial bunchgrass. Throughout most of the year, it is rather indistinct. But in late summer, it produces tall, dramatic flower spikes. It occurs naturally in pinelands, sandhills and flatwoods. It is the larval host plant for the Delaware skipper, dusted skipper and swarthy skipper.