Black-eyed Susan ‘Prairie Sun’

Rudbeckia hirta

Features

  • Medium producer
  • Pollinator-friendly
  • Suitable for containers

Description

This tall, freely blooming variety is always a favorite summer bouquet addition. Its bicolor petals are a cheerful mix of dark and light yellow that radiate around the pretty apple-green center.

Details

Plant type: annual
Height: 28 to 32 in
Site: full sun
Days to maturity: 100 to 120 days
Plant spacing: 9 in
Pinch: not necessary

Seed Sowing & Growing Notes

Start seed indoors in trays 8 to 10 weeks before last frost; transplant out after all danger of frost has passed.

Harvesting/Vase Life

Harvest when flowers are just beginning to open. Black-eyed Susans are notorious for making their water dark and murky overnight, even with floral preservative. To combat this, add a few drops of bleach to the water. Expect a vase life of 7 to 10 days.

Details

Description

This tall, freely blooming variety is always a favorite summer bouquet addition. Its bicolor petals are a cheerful mix of dark and light yellow that radiate around the pretty apple-green center.

Details

Plant type: annual
Height: 28 to 32 in
Site: full sun
Days to maturity: 100 to 120 days
Plant spacing: 9 in
Pinch: not necessary

Seed Sowing & Growing Notes

Start seed indoors in trays 8 to 10 weeks before last frost; transplant out after all danger of frost has passed.

Harvesting/Vase Life

Harvest when flowers are just beginning to open. Black-eyed Susans are notorious for making their water dark and murky overnight, even with floral preservative. To combat this, add a few drops of bleach to the water. Expect a vase life of 7 to 10 days.

Sources

How to Grow

Seed-Saving Mini Course

Learn how to save seed from zinnia, dahlia, and celosia

In our upcoming free, three-part video series, you’ll learn everything you need to know to save seeds on a home scale, including how plants are pollinated and isolation techniques to ensure varieties come back true, how to tell when plants are ready to pick and how to harvest the seeds, and how to properly dry, clean, and store seeds long term.