Rodgersia

Description

Rodgersia is a genus of herbaceous perennial plants that belong to the family Saxifragaceae. They are native to East Asia and North America and are commonly grown for their ornamental foliage and flowers. The plant has large, bold leaves that resemble those of the Astilbe plant, and its flowers are arranged in large, showy panicles that bloom in late spring or early summer.

Taxonomic Information

Appearance

Rodgersia has large, palmate leaves that can grow up to 2 feet wide and long. The leaves are typically green, but some cultivars have bronze or reddish tones. The plant produces large, showy flowers that are arranged in panicles that can grow up to 2 feet long. The flowers are typically white or pink and bloom in late spring or early summer.

Care Guide

Rodgersia prefers moist, well-drained soil that is rich in organic matter. It grows best in partial shade, but can tolerate full sun in cooler climates. The plant requires regular watering, especially during dry spells. Fertilize the plant in the spring with a balanced fertilizer. Rodgersia is hardy in USDA zones 5-9.

Common Pests & Diseases

Rodgersia is susceptible to powdery mildew, leaf spot, and crown rot. To prevent these diseases, ensure that the plant has good air circulation and is not overcrowded. Watch for signs of disease and treat with fungicides as needed. The plant is not typically affected by pests, but may occasionally attract slugs or snails.

Habitat

Rodgersia is native to East Asia and North America, and can be found growing in moist, wooded areas. The plant prefers cool, shady habitats, and can be found growing alongside other shade-loving plants such as ferns and hostas.

Question and Answer

Q: Can Rodgersia be grown in containers?

A: Yes, Rodgersia can be grown in containers as long as the container is large enough to accommodate the plant’s root system.

Q: How often should Rodgersia be fertilized?

A: Rodgersia should be fertilized once in the spring with a balanced fertilizer.

Q: What is the best way to propagate Rodgersia?

A: Rodgersia can be propagated through division in the spring or fall.

Q: Does Rodgersia attract pollinators?

A: Yes, Rodgersia flowers attract bees and butterflies.

Related Plants

• Astilbe
• Bergenia
• Heuchera
• Tiarella

References

• “Rodgersia.” Missouri Botanical Garden. Accessed 15 September 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=h400
• “Rodgersia.” Royal Horticultural Society. Accessed 15 September 2021. https://www.rhs.org.uk/plants/17499/i-rodgersia-i-/details
• “Rodgersia.” The Spruce. Accessed 15 September 2021. https://www.thespruce.com/rodgersia-plant-profile-5075791