- Self-seeding biennial or hardy annual
- Hardy to zone 3
- Plants grow to 2-3 feet
- An excellent cut flower that lasts 6-10 days in a vase
(Rudbeckia hirta) Best known of all the prairie flowers and the easiest to grow. A single plant can produce hundreds of blooms over the summer and into the fall. Excellent cut flower with 6-10 days of vase life. Plants grow 2-3'. Self-seeding biennial or hardy annual. Hardy to zone 3.
Start Indoors: 6-8 weeks before planting out
Germination: 5-21 Days
Plant Outdoors: 12-18” Apart
Light: Sun/Partial Shade
Instructions - Sow seeds indoors just beneath surface of soil. Transplant outdoors when the danger of frost has passed. Likes poor soil lacking minerals, including sand and gravel. Stems can become weak if planted in good soil and may require staking.