Which plant is known for its ornamental features and is often used in landscape design among the listed options?

The correct answer encompasses both Pyracantha sp. and Picea glauca 'Conica' because both are indeed known for their ornamental features and are commonly used in landscape design.

Pyracantha, often referred to as firethorn, is highly regarded for its dense growth habit and vibrant berries, which provide visual interest, particularly in fall and winter. Its thorny nature can also act as a security feature when used as a hedge, making it practical in addition to ornamental.

Picea glauca 'Conica', commonly known as the dwarf Alberta spruce, also has significant ornamental appeal. Its conical shape and rich green color make it a popular choice for adding structure and formality to landscape designs. It's often selected for smaller gardens or to serve as focal points due to its charming appearance.

While Prunus laurocerasus, commonly known as cherry laurel, does have ornamental qualities, it is primarily valued for its foliage and as a privacy hedge; it does not match the specific ornamental traits as distinctly as the other two in terms of overall landscape aesthetics. Therefore, the most accurate answer highlights the combination of ornamental characteristics presented by Pyracantha sp. and Picea glauca 'Conica', while cherry laurel's