Green needlegrass (Nassella viridula)

Green needlegrass

Green needlegrass (Nassella viridula) is a tall, drought-tolerant species native to western North America. Livestock, deer, and elk all forage on green needlegrass, and a number of birds use it as cover for their nests.

Scientific classification

Species

Green needlegrass (Nassella viridula)

Grasses, sedges and allies

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Perennial

Lifespan

Grass

Plant Type

Spring, Summer

Bloom Time

30 cm to 1.2 m

Plant Height

Semi-evergreen

Leaf type

5 - 25 ℃

Ideal Temperature

Spring, Summer

Growth Season

Rapid

Growth Rate

Images of Green needlegrass

Attributes of Green needlegrass

Growth Rate

In its active seasons, spring and summer, green needlegrass demonstrates a rapid growth rate. This swift expansion influences the plant's features, showing increased leaf production and height. The accelerated growth enables green needlegrass to efficiently photosynthesize and withstand varying climate conditions, thanks to its dense in-season foliage. The plant's rapid development may result in an early flowering period, influencing the local fauna. While slight seasonal growth variations persist, the plant's speed is most prominent in summer.

Care Guide for Green needlegrass

Every week

Water

Full sun

Sunlight

5 - 25 ℃

Ideal Temperature

Water: Originating from moderate climates, green needlegrass thrives in consistently moist soil without waterlogging. It needs weekly watering and adapts well to seasonal rainfall, making it suitable for prairies and open woodlands, where it benefits from natural precipitation.

Fertilize: For optimal growth, green needlegrass benefits from 2-3 inches of mulch or compost applied annually, preferably during the growing season. Adjust the amount according to growth stages, ensuring to water post-application. Avoid over-fertilization, monitoring growth and reducing frequency during dormancy.

Pruning: Green needlegrass features fine, needle-like leaves and a tall grass habit. Prune it to ground level in early spring to rejuvenate and promote denser foliage. Proper timing improves recovery, health, and aesthetics while controlling spread. Refer to local guidelines for specific care instructions.

Propagation: Green needlegrass is propagated by division, which involves separating the root ball into sections. Each section must have sufficient roots and shoots for growth. Proper replanting depth and adequate watering help establish the new plants, promoting the vigorous growth of their distinctive green tufts.

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