Heavy Metal Switch Grass, Blue Switch Grass

Heavy Metal Switch Grass, Blue Switch Grass

Panicum virgatum 'Heavy Metal'

A warm-season switchgrass with intensely metallic-blue foliage and a very tight vase-shaped habit well suited to formal garden designs.

  • Very tight upright vase-shaped clump of intense metallic-blue foliage
  • Airy cloud-like pinkish panicles shimmer above the foliage
  • Good yellow fall colour; foliage and flower turn beige-brown for the winter
Size
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Plant Characteristics

Sunlight
Full sun
Soil Moisture
Moist, Average, Well-drained, Dry
Drought Tolerant
Hardiness Zone
4 – 4
Mature Height (meters)
1.2 – 1.5
Mature Spread (meters)
0.5 – 0.8
Growth Rate
Medium
Foliage Colour
Blue-green
Fall Colour
Yellow
Bloom Time
SummerFall
Habit
Upright
Deer Resistant
Rabbit Resistant
Pollinator Friendly
Attracts Birds
Landscape Uses
Foundation, Mass planting, Accent, Screening
Growing & Maintenance Tips
This grass grows in a wide variety of soil conditions from wet to average, and is drought tolerant, once established. Grows best in full sun and will flop over if grown in shade or overly rich soils. It should be pruned back to 10 cm above ground level in early spring.
Notes
Warm Season Grasses:These grasses are much slower starting in the spring. They do not push new growth until temperatures warm in early to midsummer. They flower later in the summer or fall with most blooms remaining into the winter. Most warm season grasses tolerate heat, humidity and drought; some even thrive in these conditions. Conversely, extra care should be taken when planting in early spring or late fall.

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