Pet Safe
moderate Care
black-eyed Susan
Rudbeckia hirta 'Prairie Sun'
Black-eyed Susan (Rudbeckia hirta 'Prairie Sun') is a flowering plant indigenous to the United States. It grows in large, sunny gardens with deep soil. This variety of Rudbeckia features sunny yellow petals with a black central cone, creating a cheery show of summer blooms. Spikes of 2 to 3 ft. reach above narrow foliage. Perfect for cut flowers arrangements, this flower is popular with gardeners everywhere. Incorporate it into a garden landscape for a striking colorful addition during the summer months.
Sunlight
Full Sun
Water Needs
medium
USDA Hardiness Zones
Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8
Hardiness Map
Green areas show climates worldwide where this plant can grow.
Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8
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Water Every
"5-7" days
Sun Needs
full-sun
Growth
High
Care Level
Low
Watering Schedule
Frequency
Day 1"5-7" daysDay NaN
💧 Water every "5-7" 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
Division
Divide root ball in spring, replant sections immediately
Cutting
Take 4-6" cuttings in spring, root in water or moist soil
Seed Propagation
Start seeds indoors 6-8 weeks before last frost date
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
Needs at least 6 hours of direct sunlight daily. Place in the sunniest spot in your garden.
Watering
Keep soil consistently moist but not waterlogged. Water when top inch of soil is dry.