Black Eye Susan
Common Name:Black eye susan
Latin Name:Rudbekia hirta
Sun Light:Full is best for strongest growth
Average Germination:7-14 days
Zones:All, Will readily reseed
Bloom size: 5"
Colors: Yellow with black center
Bloom time: Early spring thru fall
Soil: Not real picky, will grow in anything
Sow:No more than 1/8" deep as the seeds are very small. Keep soil moist and use a slug bait to prevent your seedlings from being eaten in one night
Fertilizer: Any common fertilizer will do
When to plant: You can broad cast black eye susan seeds any time of year
Coverage:1 oz covers 500 sq feet
Propagation: Seed, you can start them indoors if so inclined but they are so strong you can direct sow with no troubles at all
Description: About the toughest perennial there is next to the sunflower maximillian. Clay soils, no problem it laughs at it. You can amend your soil with compost and get a stronger fuller plant. But, if you don't have good soil this flower is for you.