A new and distinct cultivar of Hibiscus plant named Adonicus Red, characterized by its upright, mounding and bushy plant habit; dark green-colored leaves; uniform and freely flowering habit; large red-colored flowers with darker red-colored centers; and excellent flower longevity.

A new and distinct cultivar of Hibiscus plant named Xanthe, characterized by its upright, mounding and bushy plant habit; dark green-colored leaves; uniform and freely flowering habit; large golden yellow-colored flowers with dark red-colored centers; and excellent flower longevity.

A new and distinct cultivar of Hibiscus moscheutos plant named G21087 is disclosed, characterized by large light pink flowers with distinct dark veins radiating from the central eye out into the petals. Flower size is large, about 7 to 8 inches. Young foliage is deep purple, and a deep purple flush is maintained on mature foliage. Plants are compact, growing to approximately 36 to 42 inches high and wide with dense basal branching. Plants emerge and flower earlier than is typical of the species. Plants have been shown Winter hardy to USDA Zone 5. The new variety is a Hibiscus moscheutos, normally produced as an outdoor garden or container plant.

A new cultivar of Hibiscus plant named Tahi2025 that is characterized by its upright, well-branched plant habit, its large flowers that are pure white in color, its leaves that are deeply incised, and its foliage with coloration that is green and flushed with red and purple in spring and becoming more purple and darker purple in summer.

A new and distinct cultivar of winter-hardy, herbaceous, perennial, hybrid Hibiscus plant named Garnet Globes comprising a rounded, compact, mound habit of multiple, well-branched, basal stems producing flowers beginning in late July to early August and continuing for at least ten weeks. The flowers are garnet-red colored and open up to produce a flat face with furrows or folding at the veins providing greater strength to withstand wind and rain. The foliage is three-lobed to five-lobed with the divisions cut nearly to the petiole or midrib. The new plant is useful in the landscape as a specimen or in mass.