Pet Safe
moderate Care
big blue stem
Andropogon gerardii
Big blue stem (Andropogon gerardii) is an amazing grass species native to North America. The plant grows to a height of up to 5 feet, providing a strong vertical presence in open fields and savannas. Its large clumps provide shelter for wildlife, and its dramatic blue-green foliage changes color to a stunning red shade during the fall season. In addition to its beauty, big blue stem is an excellent source of food for a wide variety of birds and other wildlife. Its seeds are also a great food source for humans. This remarkable plant is sure to add life and beauty to any landscape.
Sunlight
Partial Shade
Water Needs
medium
USDA Hardiness Zones
Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9
Hardiness Map
Green areas show climates worldwide where this plant can grow.
Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9
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Water Every
"7-10" days
Sun Needs
partial-shade
Growth
High
Care Level
Low
Watering Schedule
Frequency
Day 1"7-10" daysDay NaN
💧 Water every "7-10" days
Seasonal Adjustments
Adjust watering frequency based on temperature, humidity, and season. Water more frequently in summer and less in winter.
Pro Tip: Check soil moisture before watering. Stick your finger 1-2 inches into the soil—if it's dry, it's time to water!
Season
Fall
Sep Oct Nov
Winter
Dec Jan Feb
Spring
Mar Apr May
Summer
Jun Jul Aug
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pruning Time
How to Propagate
Seed Propagation
Start seeds indoors 6-8 weeks before last frost date
Division
Divide root ball in spring, replant sections immediately
Cutting
Take 4-6" cuttings in spring, root in water or moist soil
Layering Propagation
Bend stem to soil surface, cover lightly, roots form in 4-6 weeks
Plant Characteristics
Drought Tolerant
Is This Plant Right for You?
Good For:
- •Forgetful waterers
- •Homes with pets
- •Low-maintenance gardens
Consider Carefully:
- •Indoor growing
Bloom Seasons
Care Tips
Light Requirements
Enjoys dappled or limited direct sun—about 2–4 hours of morning or late afternoon light and protection during peak midday sun.
Watering
Keep soil consistently moist but not waterlogged. Water when top inch of soil is dry.