Heavy Metal Switch Grass
Panicum virgatum ‘Heavy Metal’
Plant Details
USDA Plant Hardiness Zones: 4a-9b  Find Your Zone
Plant Type:Â Ornamental Grass
Height at Maturity:Â 4-5′
Width at Maturity:Â 3′
Spacing:Â 30-36″ for mass plantings, 5’+ for space between plants
Spacing:Â 30-36″ for mass plantings, 5’+ for space between plants
Growth Habit / Form:Â Clumping, Grassy, Upright, Vertical
Growth Rate:Â Moderate to Fast
Flower Color: Â Pink-tinged
Flower Size:Â Small
Flowering Period:Â Mid-Summer through Winter
Flower Type:Â Airy cloud
Fragrant Flowers:Â No
Foliage Color:Â Metallic Blue-GreenÂ
Fragrant Foliage:Â NoÂ
Berries:Â Â No
Berry Color:Â na
Sun Needs:Â Full to Mostly Sun
Water Needs:Â Â Average
Soil Type:Â Clay, Loam, Sandy, Silty
Soil Moisture / Drainage:Â Moist to wet, tolerates dry periods when established
Soil pH:Â 6.0 – 8.0Â
Maintenance / Care:Â Very LowÂ
Attracts:Â Visual Attention, Birds
Resistances:Â Deer, Disease, Drought (when established), Heat, Humidity, Insect, Rabbits
Description
An exceptionally tough and handsome Switch Grass, ‘Heavy Metal’ was named for its upright, super-sturdy blue-grey foliage that remains standing tall even in heavy rains. A robust grower, Heavy Metal forms an impressive, dense clump to a height of around 40 to 5 feet that is topped with airy silver-pink cloud-like plumes from late summer persisting through fall and well into winter. The flowers are excellent for use in fresh or dried flower arrangements and quail and songbirds gobble up the tiny seeds while using the sturdy foliage clumps as a cold weather shelter. One of our favorites among Switch Grasses and the easiest to grow, this one is exceptionally drought tolerant when established.
Landscape & Garden UsesÂ
Growing 4 to 5 feet tall and about 3 feet wide, Heavy Metal Switch Grass is ideal for use as a vertical accent and provides fine texture and color in the landscape. Excellent as a specimen, in groupings, as a hedge, or in mass on slopes, hillsides and embankments. Also effective as a background or centerpiece in perennial borders, bird and wildlife gardens, native plant gardens, prairies, meadows or naturalized areas. Because it tolerates a dry soil, it’s also an excellent choice for xeriscaping (low water needs).
Spacing:Â 30 inches apart for mass plantings; 6 feet or more apart for space between plants
How To Measure for Total Square Feet
How Many Plants to Fill a Planting Area
Growing Preferences
North American native Switch Grasses are very easy to grow in a wide range of soil, even clay, sandy and dry soils, though they prefer the soil to be moist. They don’t like an organically rich soil so there’s no need to add compost or humus to the native soil when planting. Switch Grass grow best in full sun but will tolerate some light shade. That said, too much shade and plants might become floppy. Maintenance is minimal. Cut clumps back to the ground in late winter before new growth begins to emerge.
Helpful Articles
Click on a link below to get helpful advice from our experts on how to plant, fertilize, prune and water Switch Grasses.
How To Plant And Care For Switch Grass Plants
How To Measure for Total Square Feet
How Many Plants to Fill a Planting Area
Plant Long & Prosper!
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