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Blackhawks Big Bluestem

Andropogon gerardii 'Blackhawks'

  • Nearly Black Fall Foliage with Purple Seed Heads on a Narrow, Columnar Form
  • Thrives in Zones 3-9
  • Grows 4-5 ft Tall, 1-2 ft Wide
  • Deer Resistant, Drought Tolerant, Pollution Tolerant
  • Excellent Privacy Screen or Mass Planting
Regular price $3730
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Plant Size

Specifications

Plant specifications
Plant Characteristics Cold hardy, Low Maintenance, Native, Fall Color/Interest, Deer-resistant, Slopes/Erosion Control, Heat Tolerant, Drought resistant
Hardiness Zone 4a to 9b
Sunlight Full sun
Height 4-5 ft
Width 1-2 ft
Watering Needs Moderate
Preferred Soil Clay, Sandy
Growth Rate Moderate
Growth Habit Bushy, Compact, Spreading, Upright
Blooms In Summer, Fall
Flower Color Purple
Foliage Color Blue green, Green, Purple, Dark green
Suitable Space Outdoors
Plant Name Grass
Botanical Name Andropogon gerardii 'Blackhawks'
Species gerardii
Cultivar Blackhawks
Class Poales
Does Not Ship To AK, AZ, CA, HI, ID, MT, PR, NV, OR, WA

Frequently Asked Questions

How tall does Blackhawks Big Bluestem grow at maturity?

  • Blackhawks Big Bluestem reaches 4-6 feet tall at maturity, with seed heads extending even higher. This warm-season grass develops its full height by late summer. Plant it where you need dramatic vertical impact without taking up much ground space.

Does Blackhawks Big Bluestem grow well in my zone (e.g., zone 3 or 9)?

  • Blackhawks Big Bluestem thrives in USDA zones 4-9, making it widely adaptable across most of the United States. This native warm-season grass tolerates both heat and cold extremes well. Check your specific zone and shop at Nature Hills for best results in your area.

Is Blackhawks Big Bluestem drought-tolerant once established?

  • Yes, Blackhawks Big Bluestem is drought-tolerant once established. This warm-season native grass tolerates heat and humidity well, making it ideal for low-maintenance landscapes. Water regularly the first year, then it can handle dry periods naturally.

How do I care for Blackhawks Big Bluestem in winter—cut back or leave standing?

  • Leave Blackhawks Big Bluestem standing through winter for best results. The dried foliage and seed heads provide winter interest and protect the crown from harsh weather. Cut back to 4-6 inches in late winter or early spring before new growth emerges.

What is the spacing between Blackhawks Big Bluestem plants for mass planting?

  • Space Blackhawks Big Bluestem plants 3-4 feet apart for mass plantings to allow their narrow, columnar form to develop fully. This warm-season grass creates dramatic vertical impact while maintaining a compact footprint. Plant in spring after soil warms for best establishment results available at naturehills.com.