Clematis Ochroleuca

Description

Clematis Ochroleuca, commonly known as the curlyheads or old man’s beard, is a species of flowering vine that belongs to the buttercup family Ranunculaceae. It is a deciduous climber that can grow up to 10 feet in height and 6 feet in width. The plant produces numerous small, fragrant, creamy-white flowers in late spring to early summer, followed by fluffy seedheads that persist into fall.

Taxonomic Information

Appearance

Clematis Ochroleuca has light green, compound leaves that are divided into three leaflets. The stems are slender and twining, with small tendrils that help the plant climb. The flowers are 1-2 inches wide, with four to six petals that curl backward, revealing a central cluster of creamy-white stamens. The seedheads are fluffy and silvery, resembling old man’s beard.

Care Guide

Water

Clematis Ochroleuca requires regular watering, especially during hot, dry periods. The plant prefers moist, well-drained soil, so make sure to water deeply and thoroughly.

Fertilization

Fertilize Clematis Ochroleuca in early spring with a balanced, slow-release fertilizer. Apply a second dose of fertilizer in midsummer to promote healthy growth and blooming.

Soil

The plant prefers moist, well-drained soil that is rich in organic matter. Amend the soil with compost or well-rotted manure before planting.

Sunlight

Clematis Ochroleuca requires full sun to partial shade. In hot climates, the plant benefits from some afternoon shade.

Hardiness Zones

Clematis Ochroleuca is hardy in USDA zones 4-8.

Common Pests & Diseases

Clematis Ochroleuca is susceptible to a few pests and diseases, including:

Aphids

These small, soft-bodied insects suck sap from the plant, causing leaves to curl and distort. Use insecticidal soap or neem oil to control aphids.

Spider Mites

These tiny pests feed on the undersides of leaves, causing yellowing and stippling. Spray the plant with a strong stream of water to dislodge spider mites, or use an insecticidal soap or neem oil.

Powdery Mildew

This fungal disease causes a white, powdery coating on the leaves and stems. Improve air circulation around the plant and avoid overhead watering to prevent powdery mildew. Use a fungicide if necessary.

Habitat

Clematis Ochroleuca is native to central and eastern Europe, where it grows in open woods, meadows, and hedgerows. The plant is adaptable to a wide range of growing conditions and can be found in gardens, parks, and natural areas.

Question and Answer

Q: When should I prune Clematis Ochroleuca?

A: Prune Clematis Ochroleuca in late winter or early spring before new growth begins. Cut back old stems to the first pair of healthy buds.

Q: Can Clematis Ochroleuca grow in a container?

A: Yes, Clematis Ochroleuca can be grown in a container as long as the container is large enough to accommodate the plant’s root system. Use a well-draining potting mix and provide support for the plant to climb.

Q: How often should I fertilize Clematis Ochroleuca?

A: Fertilize Clematis Ochroleuca twice a year, in early spring and midsummer, with a balanced, slow-release fertilizer.

Q: Is Clematis Ochroleuca toxic to pets?

A: Yes, all parts of the Clematis plant are toxic to pets and humans if ingested.

Related Plants

Other species of Clematis that are closely related to Clematis Ochroleuca include:

• Clematis recta
• Clematis vitalba
• Clematis orientalis
• Clematis macropetala

References

• “Clematis ochroleuca.” Missouri Botanical Garden. Accessed July 27, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=282223&isprofile=0&basic=Clematis%20ochroleuca.
• “Clematis Ochroleuca.” Royal Horticultural Society. Accessed July 27, 2021. https://www.rhs.org.uk/Plants/3814/Clematis-ochroleuca/Details.
• “Clematis Ochroleuca.” The Spruce. Accessed July 27, 2021. https://www.thespruce.com/clematis-ochroleuca-1315662.