
Sunflower
- Botanical Name
- Helianthus annuus
- Hardiness
- Half hardy annual
- Height
- 2 to 10 feet
- Width
- 12 to 24 inches
- Flowers
- Summer to frost: yellows, whites, reds, bronze; brown, purple, or crimson center
- Light
- Full sun
- Soil
- Well-drained to dry
- Planting & Care
- Space plants 12 to 24 inches or more apart
- Big headed types may need staking
- Problems
- Mildew, leaf spot, rust, stem rot, aphids
- Varieties
- Teddy Bear - 2-3', double flower
- Valentine - lemon yellow, 5', long lasting cutflower
- Ring of Fire - brown center with ring of red and gold petals
- Ballad - no pollen, good for containers, 24-30", earlier bloomer, mildew resistant
- Italian White - 5', primrose-yellow
- Mammoth, Russian & Russian Giant - tall, 12-15'
Related Content
Article
Article
Categories
Upcoming Live Events
& Webinars
Feb. 14-16, 2025
NARI Milwaukee Spring Home Improvement Show
West Allis, WI
Feb. 19, 2025
FREE WEBINAR:
Strategies for Managing Invasive Plants
Register here
Feb. 26, 2025
FREE WEBINAR:
Create a Beautiful Shade Garden
Register here
Feb. 27, 2025
FREE WEBINAR:
How to Select Rain Garden Plants
Register here
March 12, 2025
FREE WEBINAR:
Grow Pollinator-friendly Spring and Summer Flowering Bulbs
Register here
March 19, 2025
FREE WEBINAR:
Be a Waterwise Gardener
Register here
March 22, 23, 29, 30, 2025
REALTORS Home & Garden Show
West Allis, WI
March 26, 2025
FREE WEBINAR:
Succession Planting & Crop Rotation
Register here
March 27, 2025
FREE WEBINAR:
Rain Garden Q & A
Register here
April 2, 2025
FREE WEBINAR:
Container Gardens for Sun & Shade
Register here
April 10, 2025
FREE WEBINAR:
Reinvigorate Your Rain Garden
Register here
May 7, 2025
FREE WEBINAR:
Vertical Gardening
Register here
May 15, 2025
FREE WEBINAR:
7 Steps to Managing Water on Your Property
Register here
June 4, 2025
FREE WEBINAR:
Attracting Hummingbirds
Register here
WATCH ON-DEMAND WEBINARS
Learn More