Spike Bentgrass (Agrostis exarata)

Spike Bentgrass

Also known as: Spike Red Top, Spike Bent

Spike Bentgrass (Agrostis exarata) is indigenous to western North America. Other names for this perennial grass include Pacific bentgrass, western bentgrass, and spike redtop. In the wild, you’ll find it growing profusely anywhere where there’s a lot of drenched soil. This could be along a river or stream, or in wetlands. However, this resilient plant can withstand extended periods of dry soil.

Scientific classification

Species

Spike Bentgrass (Agrostis exarata)

Grasses, sedges and allies

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Perennial

Lifespan

Grass

Plant Type

30 cm

Spread

30 cm

Flower Size

White, Green, Purple, Brown

Flower Color

Semi-evergreen

Leaf type

0 - 35 ℃

Ideal Temperature

Spring, Summer, Fall

Growth Season

Moderate

Growth Rate

Images of Spike Bentgrass

Attributes of Spike Bentgrass

Growth Rate

With a moderate growth rate, spike Bentgrass advances steadily through Spring, Summer, and Fall. Its moderate pace allows for solid root establishment and regular sprouting of new leaves, casting a dense mat. Unseasonably mild winters may prompt erratic, slower cultivation. This growth manner also supports its adaptive versatility across various ecological ranges.

Distribution of Spike Bentgrass

Distribution Map

Spike Bentgrass is originally native to regions of the Northern Hemisphere, primarily across temperate zones. It has since been introduced to other parts of the world, including parts of Europe. This perennial grass has adapted to a range of environments in its extended range.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Moist meadows, canyons

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Spike Bentgrass

Every week

Water

Full sun

Sunlight

0 - 35 ℃

Ideal Temperature

Water: Spike Bentgrass thrives in moist meadows and prefers consistent hydration without waterlogging. Weekly watering mimics natural conditions, making it suitable for temperate climates. Typically grown outdoors, spike Bentgrass benefits from rainfall patterns that support its growth cycles, reducing the need for excessive manual intervention.

Fertilize: Fertilize spike Bentgrass seasonally with organic mulch or compost, applying a 1-2 inch layer in spring and fall while avoiding base contact. During active growth, lighter, frequent applications can enhance vitality. Ensure even distribution to prevent nutrient overload, supporting optimal health and growth.

Pruning: Spike Bentgrass, with its fine texture, thrives with early spring pruning to remove dead foliage, promoting health and new growth. Use clean tools to reduce stress. Regular pruning enhances its density and aesthetic, making it suitable for ornamental gardens. Consult trusted sources for technique refinement.

Propagation: Spike Bentgrass is propagated by sowing quality seeds in well-draining, organic-rich soil. Seeds need light for germination and should be kept moist. Once established, thin seedlings to enhance air circulation and reduce disease risk.

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