Contents
Description
Parnassia Grandifolia, also known as largeleaf grass of Parnassus, is a perennial herbaceous plant that is native to North America. It belongs to the Saxifragaceae family and is characterized by its showy white flowers with yellow centers that blossom in late summer. This plant is commonly found in moist meadows, bogs, and swamps.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Saxifragales |
| Family | Saxifragaceae |
| Genus | Parnassia |
Appearance
Parnassia Grandifolia can grow up to 2 feet tall and has large, round, dark green leaves that can reach up to 10 inches in diameter. Its flowers have five petals that are white in color with yellow centers and can grow up to 2 inches in diameter. The plant blooms from July to September and produces fruit in the form of a capsule.
Care Guide
Parnassia Grandifolia prefers moist, well-draining soil and partial shade. It can tolerate full sun in cooler climates but needs shade in hot climates. It requires regular watering and should not be allowed to dry out. Fertilization is not necessary, but a light application of a balanced fertilizer in the spring can promote growth. This plant can grow in hardiness zones 3-8.
Common Pests & Diseases
Parnassia Grandifolia is generally not susceptible to pests or diseases. However, it can be affected by root rot if grown in poorly draining soil.
Habitat
Parnassia Grandifolia is native to North America and can be found in moist meadows, bogs, and swamps. It prefers wet soils and can tolerate standing water for short periods of time.
Question and Answer
Q: Can Parnassia Grandifolia grow in full sun?
A: Parnassia Grandifolia can tolerate full sun in cooler climates but needs shade in hot climates.
Q: Does Parnassia Grandifolia require fertilization?
A: Fertilization is not necessary, but a light application of a balanced fertilizer in the spring can promote growth.
Q: What is the blooming period of Parnassia Grandifolia?
A: Parnassia Grandifolia blooms from July to September.
Q: Is Parnassia Grandifolia susceptible to any pests or diseases?
A: Parnassia Grandifolia is generally not susceptible to pests or diseases, but it can be affected by root rot if grown in poorly draining soil.
Related Plants
- Parnassia Asarifolia
- Parnassia Caroliniana
- Parnassia Cirrata
- Parnassia Glauca
References
- “Parnassia grandifolia.” Missouri Botanical Garden. Accessed September 1, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=285271&isprofile=1&basic=parnassia%20grandifolia.
- “Parnassia grandifolia.” Lady Bird Johnson Wildflower Center. Accessed September 1, 2021. https://www.wildflower.org/plants/result.php?id_plant=PAGR.
- “Parnassia grandifolia.” North Carolina State University. Accessed September 1, 2021. https://plants.ces.ncsu.edu/plants/parnassia-grandifolia/.
