Shivery grass

Briza minor

Briza minor, commonly known as little quaking grass or small quaking grass, is an annual grass species that belongs to the Poaceae family. Native to Europe, it has become naturalized in various regions around the world. Known for its delicate and ornamental appearance, Briza minor is often appreciated in gardens and landscapes. Here is an informative description covering its appearance, identification, and management.

Appearance:

Little quaking grass is a fine-textured grass that typically reaches a height of 20 to 60 centimeters (8 to 24 inches). Its stems are slender, erect, and bear distinctive seed heads that resemble delicate hanging heart-shaped clusters. These seed heads, known as inflorescences or panicles, consist of numerous small spikelets arranged in a way that gives the appearance of quivering or shaking in the breeze. The spikelets have awns, which are slender, hair-like extensions, adding to the plant's unique aesthetic.

Identification: Identifying Briza minor involves observing key characteristics:

  1. Seed Heads: The most distinctive feature of little quaking grass is its seed heads. The delicate, heart-shaped clusters with small, dangling spikelets are characteristic and easily recognizable.

  2. Leaves: The leaves of Briza minor are narrow, linear, and often somewhat folded. They arise alternately along the stems.

  3. Awns: The presence of awns on the spikelets, especially the long, hair-like awns, is a key identifier.

Habitat and Distribution: Little quaking grass is adaptable to a variety of habitats, including meadows, open woodlands, and disturbed areas. It prefers well-drained soils and is commonly found in both sunny and partially shaded locations. Native to Europe, Briza minor has been introduced and naturalized in North America and other parts of the world.

Management: While Briza minor is generally not considered invasive and is often appreciated for its ornamental value, there might be situations where management is desired:

  1. Cultural Uses: In gardens and landscapes, little quaking grass is often cultivated for its decorative seed heads, adding a charming and airy quality to plantings.

  2. Deadheading: To prevent self-seeding and potential spread, deadheading (removing spent flowers) can be performed after the seed heads have matured and before they drop seeds.

  3. Containment: If there is a concern about the plant spreading too aggressively in a garden setting, planting it in contained areas, such as pots or raised beds, can help control its growth.

  4. Selective Mowing: If little quaking grass becomes too tall or starts to overwhelm other plants, selective mowing can be employed to maintain a desired height and appearance.