The Simpson Stopper, scientifically known as Myrcianthes fragrans, is an evergreen plant native to warm climates like Florida, the Caribbean, Mexico, and Central and South America. Prized for its distinctive fruit, it interests home gardeners and nature enthusiasts.
Identifying the Simpson Stopper Plant
The Simpson Stopper grows as an evergreen shrub or small tree, reaching 5 to 20 feet, though some can grow up to 38 feet. Its distinctive reddish-brown bark exfoliates, revealing a smooth, copper-toned inner bark.
The leaves are small, 1 to 2.5 inches long, oval to elliptic, and dark green. When crushed, they release a pleasant, aromatic scent, described as spicy, citrusy, or resembling nutmeg.
Small, fragrant white flowers appear, often in clusters, throughout much of the year, with peak blooms in spring. These blossoms are showy due to their numerous stamens and have a sweet aroma that attracts pollinators. The common names, “Simpson Stopper” and “Twinberry,” reflect its historical association with naturalist Charles Torrey Simpson and the fruit’s tendency to grow in pairs.
Characteristics of Simpson Stopper Fruit
The fruit of the Simpson Stopper begins as small, green, ovoid berries that gradually ripen. As they mature, their color progresses from orange to bright red, and sometimes to a dark purple or black. These small, round berries are typically pea-sized, ranging from 1/4 to 1/2 inch in diameter.
The fruit possesses a sweet, mealy pulp, and its flavor is often described as mild, slightly tart, or reminiscent of sweet orange peel with a citrusy nuance. While the flesh is edible for humans, the seeds inside are considered bitter and should not be consumed. Each fruit usually contains one or two bean-shaped seeds.
Enjoying Simpson Stopper Fruit
The ripe fruit of the Simpson Stopper offers a unique flavor profile and can be enjoyed fresh. Its sweet, citrus-like taste makes it suitable for various culinary applications, including jams, jellies, and desserts.
Beyond human consumption, Simpson Stopper fruit serves as an important food source for local wildlife. Birds such as mockingbirds, blue jays, cardinals, and buntings are particularly fond of the berries. The plant’s dense canopy also provides shelter and protection for birds and small mammals, highlighting its ecological value.
Growing Simpson Stopper
The Simpson Stopper is a relatively low-maintenance plant once established, suitable for USDA hardiness zones 8B to 11. It thrives in full sun to partial shade, with more sun exposure leading to denser growth and increased flowering.
While adaptable to various soil types, it prefers well-draining, sandy, or calcareous soils. Although mature plants exhibit drought tolerance, consistent moisture is beneficial, especially during the first year after planting. Regular, deep watering supports healthy growth. This plant is also tolerant of salt and alkaline conditions, making it a good choice for coastal landscapes.