Kirengeshoma

Description

Kirengeshoma, commonly known as yellow waxbells, is a genus of flowering plants in the Hydrangeaceae family. Native to Japan and Korea, these herbaceous perennials are highly valued for their bright yellow, pendulous flowers and attractive foliage. The name Kirengeshoma is derived from the Japanese word ‘kirei’ meaning beautiful and ‘geshoma’ which is a local name for a similar plant.

Taxonomic Information

Appearance

Kirengeshoma is a clump-forming plant that grows up to 3 feet tall and wide. The foliage is deeply lobed and resembles that of a maple leaf. The leaves are dark green, and the undersides are covered in fine hairs. The flowers are bell-shaped and hang in clusters from the stems. They are a bright yellow color and have a sweet fragrance that attracts bees and other pollinators.

Care Guide

Kirengeshoma is a relatively low-maintenance plant, but it does require some basic care to thrive. Here are some tips to keep your yellow waxbells healthy:

• Water: Kirengeshoma prefers consistently moist soil. Water deeply once a week, or more often during hot, dry weather.
• Fertilization: Feed Kirengeshoma with a balanced fertilizer in the spring, when new growth appears.
• Soil: Kirengeshoma prefers rich, well-draining soil. Amend the soil with compost or other organic matter before planting.
• Sunlight: Kirengeshoma prefers partial shade or full shade. Avoid planting in direct sun, which can scorch the leaves.
• Hardiness Zones: Kirengeshoma is hardy in zones 5-8.

Common Pests & Diseases

Kirengeshoma is relatively pest and disease-free. However, some common problems may include:

• Slugs and snails: These pests can damage the foliage and flowers. Use slug bait or copper tape to deter them.
• Powdery mildew: This fungal disease can cause a white, powdery coating on the leaves. Treat with a fungicide spray.

Habitat

Kirengeshoma is native to Japan and Korea, where it grows in moist, shaded areas such as woodland edges and stream banks. In the garden, it is best suited for shady borders, woodland gardens, and other shady areas.

Question and Answer

Q: How often should I water Kirengeshoma?

A: Water Kirengeshoma deeply once a week, or more often during hot, dry weather.

Q: What is the best soil for Kirengeshoma?

A: Kirengeshoma prefers rich, well-draining soil. Amend the soil with compost or other organic matter before planting.

Q: Can I grow Kirengeshoma in full sun?

A: Kirengeshoma prefers partial shade or full shade. Avoid planting in direct sun, which can scorch the leaves.

Q: What is the hardiness zone for Kirengeshoma?

A: Kirengeshoma is hardy in zones 5-8.

Related Plants

• Hydrangea
• Astilbe
• Bergenia
• Hosta
• Ligularia

References

• “Kirengeshoma.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d388.
• “Kirengeshoma Palmata.” Royal Horticultural Society, www.rhs.org.uk/Plants/7712/Kirengeshoma-palmata/Details.
• “Yellow Waxbells: Kirengeshoma Palmata.” Gardening Know How, www.gardeningknowhow.com/ornamental/flowers/yellow-waxbells/yellow-waxbells.htm.