Cornales

Description

Cornales is a diverse order of flowering plants that includes popular garden shrubs and trees such as dogwood, hydrangea, and viburnum. This order consists of about 590 species, which are distributed across the globe. Members of this order exhibit a wide variety of characteristics, ranging from evergreen to deciduous, and from herbaceous to woody. They also vary in size, with some growing as small herbaceous plants and others as large trees.

Taxonomic Information

Here is the taxonomic information for Cornales:

Appearance

The appearance of Cornales plants varies widely, but they generally produce simple leaves with entire margins, which means the edges of the leaves are smooth. The flowers are typically small and inconspicuous, but some species produce showy inflorescences that are prized in gardens. The fruit of Cornales plants can also be quite distinctive, ranging from berries to drupes to capsules.

Care Guide

Cornales plants can be relatively easy to care for, but the specific needs of each species can vary significantly. Here are some general guidelines:

Water

Cornales plants generally prefer moist but well-drained soil. Water them deeply and regularly, especially during dry periods.

Fertilization

Most Cornales plants benefit from regular fertilization with a balanced, slow-release fertilizer. Follow the manufacturer’s instructions for application rates.

Soil

Cornales plants prefer slightly acidic soil that is rich in organic matter. If your soil is too alkaline, you can amend it with sulfur or another acidifying agent.

Sunlight

Cornales plants have varying sunlight requirements. Some species prefer full sun, while others do best in partial shade. Check the specific needs of each species before planting.

Hardiness Zones

Cornales plants are generally hardy in USDA zones 3-9, depending on the species. Check the specific needs of each species before planting.

Common Pests & Diseases

Like all plants, Cornales species are susceptible to a number of pests and diseases. Here are some common ones to watch out for:

Pests

• Aphids
• Scale insects
• Spider mites
• Whiteflies

Diseases

• Anthracnose
• Bacterial leaf spot
• Powdery mildew
• Root rot

Habitat

Cornales plants are found in a wide variety of habitats, including forests, meadows, and wetlands. Some species are native to North America, while others are found in Asia, Europe, and other parts of the world. Many Cornales species are popular in gardens and are cultivated for their ornamental value.

Question and Answer

Q: What is the most popular Cornales species for gardens?

A: That’s a tough question, as it depends on personal preference and the specific growing conditions of your garden. However, some popular choices include dogwood, hydrangea, and viburnum.

Q: Can Cornales plants be grown in containers?

A: Yes, many Cornales species can be grown in containers. Make sure to choose a species that is appropriate for the size of your container and provide adequate water and nutrients.

Q: Are Cornales plants toxic to pets?

A: Some Cornales species can be toxic to pets if ingested. Check the toxicity of each species before planting, and keep pets away from any plants that may be harmful.

Q: How do I propagate Cornales plants?

A: Most Cornales species can be propagated by cuttings, division, or layering. Follow specific propagation instructions for each species.

Related Plants

• Ericales
• Rosales
• Saxifragales
• Lamiales

References

• Dirr, Michael A. Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses. Stipes Publishing, LLC, 2009.
• Hillier Nurseries. The Hillier Manual of Trees and Shrubs. David & Charles, 2002.
• Missouri Botanical Garden. “Cornales.” Accessed August 9, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderListResults.aspx?taxonid=280127.