
Andropogon gerardii 'Red October'
Big Blue Stem (Andropogon gerardii 'Red October') is an amazing ornamental grass that grows to around 3 feet tall and 4 feet wide. It features bright red and purple-sheathed stems topped with large, feathery blooms in midsummer. Its foliage provides an attractive backdrop for its blooms, with deep green upper leaves turning yellow-green in fall. This heat-loving species can tolerate coastal conditions and is very drought tolerant. It is a great addition to any landscape, providing texture and movement in the garden. Big Blue Stem also offers wildlife a food source and shelter which is an additional bonus. With its showy appearance and hardy nature, Big Blue Stem offers an ideal solution for which to fill the garden beds in any location.
Sunlight
Partial Shade
Water Needs
low
Green areas show climates worldwide where this plant can grow.
Loading map…
Water Every
"7-10" days
Sun Needs
partial-shade
Growth
High
Care Level
Low
💧 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!
Divide root ball in spring, replant sections immediately
Take 4-6" cuttings in spring, root in water or moist soil
Start seeds indoors 6-8 weeks before last frost date
Take 4-6" cuttings in spring, root in water or moist soil
Bend stem to soil surface, cover lightly, roots form in 4-6 weeks
Good For:
Consider Carefully:
Enjoys dappled or limited direct sun—about 2–4 hours of morning or late afternoon light and protection during peak midday sun.
Allow soil to dry out between waterings. Overwatering can cause root rot.