Black Eyed Susan – (Rudbeckia Hirta) Black Eyed Susan Flower
Height 12-36 in
Black-eyed Susans have attractive daisy type flower heads sporting rays of bright yellow petals and dark center disks; the leaves are ovate and green with a rough texture. These plants add real pizzazz to cottage gardens, borders and are also great as a stand alone plant.
This wildflower is able to self-seed, and makes it a great choice for abundant wildflower gardens. You can plant it after the last frost in spring. It will flower in its first summer although it can take two to three years to reach full height.
- Full sun
- Well draining soil
- To get a head start on the growing season, start black-eyed Susans indoors from seed about 6-8 weeks before the last expected frost. Plant seeds 1/4 inch deep in trays or pots filled with a moistened seed starting mix.
- Perennial varieties will germinate best if the seed containers are kept in the refrigerator, or unheated garage or greenhouse for 4 weeks after seeding.
- After this period, soil temperature needs to be warm for germination, so place the seeded tray or pot on a heating mat or a warm space such as the top of the refrigerator or a table above a heat vent.
- Germinates 7 to 21 days.
- Harden off the seedlings before planting them outside
- OR direct sow in the garden once daytime temperatures remain around 60 degrees. .
- Golden yellow 2-4" blooms
- Blooms from summer to frost
- Deadhead to promote blooming
- Germinate at 18 C 6 weeks before last frost or direct sow after last frost
- Attracts butterflies
- Seed Count: 1/4 gram