Trillium simile is a little-known trillium from the Blue Ridge Mountain region where North Carolina, South Carolina, and Georgia meet. Trillium simile was named for its resemblance to the nearby Trillium vaseyi. The large, outfacing, deliciously-fragrant, creamy white flowers with a contrasting black ovary top the green foliage in mid-spring.
I. Appearance and Characteristics
Trillium simile, the jeweled wakerobin, is a spring-flowering perennial plant which is native to southern parts of the Appalachian Mountains in southeastern United States (Tennessee, Georgia, North and South Carolina). It is also known as sweet white wake-robin, sweet white trillium and confusing trillium.
Trillium simile prefers to grow in moist humus-rich soils in mature forests at the edges of Rhododendron thickets and at edges of the forest. It is found at elevations of 500 – 700 meters (1,640 – 2,300 feet).
The stem of jeweled wakerobin is rounded and exhibits a color transition from green to reddish-purple as it matures. It has a smooth texture and typically measures around 0.25 inches (0.6 cm) in diameter. The stem is erect and unbranched, arising directly from the rhizome. Its characteristic color change and lack of branching make it distinguishable. This feature is crucial for identifying jeweled wakerobin in its natural habitat.
The leaves of jeweled wakerobin are distinctive, consisting of three large green bracts arranged in a whorl around the stem, often overlapping each other. Each bract is broadly ovate to elliptic, measuring approximately 3 to 6 inches (7.5 to 15 cm) in length and 2 to 4 inches (5 to 10 cm) in width. The leaves exhibit a smooth texture with a prominent central vein and parallel venation, giving them a defined structure. These green bracts are a notable feature, aiding in the identification of this plant species.
Jeweled wakerobin flowers feature three pristine white petals, each surrounding a striking purple ovary at the center. These petals are arranged in a symmetrical pattern, giving the flower a distinctly triangular shape. The blossoms emit a fragrance reminiscent of green apples. They typically bloom from March to May in North Carolina. Each flower spans approximately 2 to 4 inches (5 to 10 cm) in diameter, making them a noticeable and beautiful aspect of the spring flora.
The fruit of jeweled wakerobin is a striking 6-parted, berry-like capsule. Inside, it harbors seeds which rely on ants for dispersal, a fascinating tidbit hinting at its ecological relationships. When mature, the fruit adopts a deep purple-black hue, a color palette typically present from June to July. This darkly colored, glossy fruit contrasts sharply with the surrounding foliage. With its unique combination of structure and color, it provides an essential identification feature for those exploring the flora of regions like North Carolina.
II. How to Grow and Care
Jeweled wakerobin prefers a habitat that mimics its native woodland environment. Key care points include maintaining consistently moist, well-draining soil rich in organic matter, and providing dappled sunlight to partial shade, as intense direct sun can damage the foliage. Special care should be taken to protect jeweled wakerobin from late cold snaps, as emerging foliage can be vulnerable to frost damage.
Sunlight
In nature, jeweled wakerobin grows on forest floors, in valleys, or in rock cracks in middle- and high-altitude areas. It is a shade-loving plant. When grown in a garden, it needs a shaded environment, such as under trees or on the shady side of buildings to avoid harsh, direct sunlight. Blazing light exposure can cause it to wither.
Temperature
Jeweled wakerobin originates from North America and East Asia and like cool, moist habitats. It grows well in an environment with a temperature range of 8 to 12 ℃ and doesn’t tolerate high temperatures. It likes moisture and is not drought-resistant, and it prefers air humidity at 75% – 90%.
Watering
Originating from the understory of temperate forests, jeweled wakerobin thrives in conditions that mimic its natural habitat’s moisture levels. This species is adept at conserving water, indicative of a preference for stable humidity rather than fluctuating wetness. The watering regimen for jeweled wakerobin should be consistent with watering every week to maintain soil moisture without causing waterlogging. As an herbaceous perennial, jeweled wakerobin typically favors outdoor cultivation where it can benefit from the seasonal rainfall patterns, ensuring its growth cycle aligns with the availability of natural water sources.
Soil
Jeweled wakerobin likes loose, fertile, moist, slightly acidic soil with good drainage. The ideal pH value range is 5.0-6.5, and shouldn’t exceed 7.3. If the soil is barren or has poor air permeability, you can improve it by mixing in a small amount of organic fertilizer.
Fertilizing
Fertilizing jeweled wakerobin with a balanced nutrient fertilizer enriches soil, fostering lush foliage and radiant blooms. Optimal fertilization occurs in early spring and late summer, limiting to two doses yearly. Utilize a modest amount per square foot to avoid overfeeding, which can harm jeweled wakerobin. As seasonal growth ebbs in winter, fertilization halts to prevent unnecessary stress. Incorporating organic compost can bolster nutrition levels. Ensure even distribution, mixing gently into the soil around jeweled wakerobin, taking care not to disturb delicate roots. Use gloves and follow package instructions for safe application.
Planting Instructions
Jeweled wakerobin is not tolerant of transplanting, so the growing site needs to be chosen carefully. The planting site should be cool and shady, without nearby shallowly-rooted trees to compete with it for water. In the wild, the plant grows in humus-rich soils, so the planting soil also needs to be mixed with some humus.
Jeweled wakerobin is best planted in the fall. Dig a 15 cm-deep planting pit, arrange and extend the plant’s roots neatly before putting it into the pit, cover the roots with soil, and press down lightly. It’s a good idea to cover the soil surface with organic matters like hay or shredded bark to retain moisture.
Propagation
The jeweled wakerobin is a perennial that thrives in woodland settings, known for its striking appearance. To propagate jeweled wakerobin, division is the most effective method. Start by carefully lifting the rhizome clumps after the foliage has died back. Gently separate them into smaller sections, ensuring each has a growth bud. Replant these divisions promptly, maintaining the same soil depth as the original plant to preserve the delicate root system. This technique offers a reliable way to expand your collection or share with fellow enthusiasts.
III. Harvesting and Storage
10-14 weeks after jeweled wakerobin blooms, when the fruits turn brown, it’s time to harvest the seeds for sowing. Pick the fruits off the plant, squeeze lightly to crack them open, and find the ripe brown seeds inside. The seeds can be sown right away or placed in moist peat soil for refrigerated storage.